LNAs with Step Attenuator and VGA
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1 19-231; Rev 1; 1/6 EVALUATION KIT AVAILABLE LNAs with Step Attenuator and VGA General Description The wideband low-noise amplifier (LNA) ICs are designed for direct conversion receiver (DCR) or very low intermediate frequency (VLIF) receiver applications. They contain single-channel, single-ended LNAs with switchable attenuator and automatic gain control (AGC) intended as a low-noise gain stage. These devices provide high gain-control range (typically 6dB) at radio frequency (RF) with excellent noise and reverse isolation characteristics. The can work over the frequency range from 1MHz to 1GHz. In practice, only a narrow band is needed in each application, so different matching circuits can be applied. The devices are dynamically configured through the digital/analog control pins to select either maximum gain and low noise figure or power-saving mode. In addition, the feature high/low-current modes, high/low attenuation modes, linearly controlled gain states, and shutdown mode. Direct Conversion Receiver (DCR) Very Low IF Receiver Applications Features Low Noise Figure (1.8dB typical) High Small-Signal Gain (1dB Nominal) Wide Frequency Range of Operation (1MHz to 1GHz) 2dB Step Attenuator 4dB AGC Range Excluding Step Attenuator 2.6V to 3.3V Single-Supply Operation Shutdown Mode 3.mA Supply Current, Adjustable Down to 2.mA 4dB Reverse Isolation PART Ordering Information TEMP RANGE PIN- PACKAGE PKG CODE MAX2371EGC -4 C to +8 C 12 QFN-EP* G MAX2371ETC -4 C to +8 C 12 TQFN-EP* T MAX2371ETC+ -4 C to +8 C 12 TQFN-EP* T MAX2373EGC -4 C to +8 C 12 QFN-EP* G MAX2373ETC -4 C to +8 C 12 TQFN-EP* T MAX2373ETC+ -4 C to +8 C 12 TQFN-EP* T *EP = Exposed pad. +Denotes lead-free package. Pin Configuration Functional Diagram TOP VIEW LNA_IN 1 GND 12 RF_V CC RSET AGC_BYP LNA_IN GND RF_V CC MAX2371 MAX2373 RSET AGC_BYP LNA_V CC LNA_E RX_EN 2 3 MAX2371 MAX LNA_V CC LNA_OUT LNA_E RX_EN RF ATTENUATOR LNA EXPONENTIAL CONVERTER AGC AMP LNA_OUT 4 6 RF_ATTN AGC LNA_I QFN/TQFN RF_ATTN AGC LNA_I Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at , or visit Maxim s website at
2 ABSOLUTE MAXIMUM RATINGS V CC to GND...-.3V to +3.6V All Pins Excluding Grounds to Pin GND...-.3V to (V CC +.3V) LNA Input Power (RX_EN = low)...dbm Continuous Power Dissipation (T A = +7 C) 12-Pin QFN (derate 11.9mW/ C above +7 C)...92mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS Operating Temperature Range...-4 C to +8 C Junction Temperature...+1 C Storage Temperature Range...-6 C to +16 C Soldering Temperature (1s)...+3 C (V CC = 7V, RX_EN = high, R SET = 1.1kΩ, V AGC = V CC /2, T A = -4 C to +8 C. Typical values are at T A = +2 C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage V CC V RX_EN = low, V CC = 3.3V. 2 µa Supply Current I CC LNA_I = high, RF_ATTN = low 3.. ma LNA_I = low ma Digital Input Logic High V IH Pins LNA_I, RF_ATTN, RX_EN.7 V CC V CC V Digital Input Logic Low V IL Pins LNA_I, RF_ATTN, RX_EN.3 V CC V Logic Pin Impedance Logic pins RX_EN, RF_ATTN, LNA_I kω AGC Pin Impedance Pins AGC 1 kω AC ELECTRICAL CHARACTERISTICS ( EV Kits, V CC = 2.6V to 3.3V, RX_EN = high, R SET = 1.1kΩ, T A = -4 C to +8 C. Typical values are at V CC = 7V; for MAX2371 f RF = 1MHz, for MAX2373 f RF = 8MHz to 94MHz; T A = +2 C, unless otherwise noted.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS LNA AND AGC AMP CHARACTERISTICS Radio Frequency Range (Note 2) Input Return Loss () (Note 3) Reverse Isolation (S12) Max Power Gain (Note 3) Low band (MAX2371) High band (MAX2373) LNA_I = high; MAX RF_ATTN = low MAX LNA_I = high; MAX RF_ATTN = high MAX Over AGC range MAX MAX LNA_I = high, T A = MAX C, V CC = 7V MAX LNA_I = low, T A = MAX C, V CC = 7V MAX Gain Variation Over Temperature T A = -4 C to +8 C, V AGC < 1.8V db MHz db db db 2
3 AC ELECTRICAL CHARACTERISTICS (continued) ( EV Kits, V CC = 2.6V to 3.3V, RX_EN = high, R SET = 1.1kΩ, T A = -4 C to +8 C. Typical values are at V CC = 7V; for MAX2371 f RF = 1MHz, for MAX2373 f RF = 8MHz to 94MHz; T A = +2 C, unless otherwise noted.) (Note 1) PARAMETER CONDITIONS MIN TYP MAX UNITS SSB Noise Figure vs. AGC Input 1dB Compression Point Input IP3 (Notes 4, ) Input IP3 Over AGC Range AGC RESPONSE AGC Attenuation Range (Note 6) AGC Slope Over Control Range RF STEP ATTENUATOR LNA_I = high, T A = +2 C, V CC = 7V, RF_ATTN = low LNA_I = low, T A = +2 C, V CC = 7V, RF_ATTN = low V AGC = 7V 1.8 V AGC = V. 7.7 V AGC = 1.87V V AGC = 2.17V 2 V AGC = 7V RF_ATTN = low, LNA_I = high V AGC < 1.8V LNA_I = low RF_ATTN = high, LNA_I = high -3 V AGC < 1.8V LNA_I = low db dbm LNA_I = high -1 RF_ATTN = low, V AGC = V CC /2 LNA_I = low MAX2371 MAX dbm RF_ATTN = high, V AGC = V CC /2 to V LNA_I = high 9 13 dbm RF_ATTN = low, LNA_I = high, MAX V AGC = V CC /2 to 1.8V MAX V CC = 7V, RF_ATTN = low, V AGC = 1.337V to V, T A = +2 C dbm 3 4 db RF_ATTN = low, V AGC = 1.62V RF_ATTN = high, V AGC = 1.62V RF_ATTN = high to low, MAX Gain Step db LNA_I = high MAX Note 1: Parameters over temperature and supply voltage range are guaranteed by design and characterization, unless otherwise noted. Note 2: Operation outside these frequency bands is possible but has not been characterized. See Typical Operating Characteristics. Note 3: Measured with external matching network. Note 4: f IN1 = 1MHz, f IN2 = 1.1MHz, P IN = -3dBm for both tones (MAX2371). Note : f IN1 = 9MHz, f IN2 = 9.1MHz, P IN = -3dBm for both tones (MAX2373). Note 6: Parameters are guaranteed by production test. db/v 3
4 Typical Operating Characteristics ( EV Kits, V CC = 7V, RX_EN = high, R SET = 1.1kΩ, LNA_I = high, T A = +2 C. For MAX2371, f RF = 1MHz; for MAX2373, f RF = 9MHz, unless otherwise noted.) GAIN (db) T A = +8 C GAIN vs. FREQUENCY T A = +2 C FREQUENCY (MHz) T A = -4 C MAX2371 toc1 GAIN (db) MAX2371 GAIN vs. V AGC -2 T A = +8 C -3 T A = +2 C -4 T A = -4 C MAX2371 toc2 IIP3 (dbm) IIP3 vs. V AGC T A = +8 C T A = +2 C T A = -4 C MAX2371 toc3 1.. P 1dB vs. V AGC MAX2371 toc4 3 2 NOISE FIGURE vs. V AGC MAX2371 toc -1, S22, S12 vs. FREQUENCY S22 MAX2371 toc6 P1dB (dbm). T A = -4 C T A = +2 C T A = +8 C -2. NOSIE FIGURE (db) 2 1 1, S22, S12 (db) S FREQUENCY (MHz), S22, S12 vs. V AGC -1 MAX2371 toc7, S22, S12 (db) S22 S12-6 4
5 Typical Operating Characteristics (continued) ( EV Kits, V CC = 7V, RX_EN = high, R SET = 1.1kΩ, LNA_I = high, T A = +2 C. For MAX2371, f RF = 1MHz; for MAX2373, f RF = 9MHz, unless otherwise noted.) GAIN (db) T A = -4 C GAIN vs. FREQUENCY T A = +2 C FREQUENCY (MHz) T A = +8 C MAX2371 toc8 GAIN (db) MAX2373 T A = -4 C T A = +2 C GAIN vs. V AGC -4 T A = +8 C MAX2371 toc9 IIP3 (dbm) IIP3 vs. V AGC T A = -4 C T A = +2 C T A = +8 C MAX2371 toc1 P1dB (dbm) P 1dB vs. V AGC T A = -4 C T A = +2 C T A = 8 C MAX2371 toc11 NOSIE FIGURE (db) NOISE FIGURE vs. V AGC MAX2371 toc12, S22, S12 (db) , S22, S12 vs. FREQUENCY S22 S12 MAX2371 toc FREQUENCY (MHz), S22, S12 vs. V AGC -1 MAX2371 toc14, S22, S12 (db) S S12
6 Table 1. MAX2371 S-Parameters (V CC = 7V, RX_EN = high, LNA_I = high, RF_ATTN = low, P IN = -3dBm, T A = +2 C.) FREQUENCY LNA () LNA (S21) LNA (S12) LNA (S22) (MHz) MAGNITUDE PHASE MAGNITUDE PHASE MAGNITUDE PHASE MAGNITUDE PHASE
7 Table 2. MAX2373 S-Parameters (V CC = 7V, RX_EN = high, LNA_I = high, RF_ATTN = low, P IN = -3dBm, T A = +2 C.) FREQUENCY LNA () LNA (S21) LNA (S12) LNA (S22) (MHz) MAGNITUDE PHASE MAGNITUDE PHASE MAGNITUDE PHASE MAGNITUDE PHASE Table 3. MAX2371 Typical Noise Parameters (V CC = 7V, RX_EN = high, LNA_I = high, RF_ATTN = low, P IN = -3dBm, T A = +2 C, data from design simulation.) FREQUENCY (MHz) NF MIN (db) Γ OPT Γ OPT R N (Ω)
8 Table 4. MAX2373 Typical Noise Parameters (V CC = 7V, RX_EN = high, LNA_I = high, RF_ATTN = low, P IN = -3dBm, T A = +2 C, data from design simulation.) FREQUENCY (MHz) NF MIN (db) Γ OPT Γ OPT R N (Ω) PIN NAME FUNCTION 1 LNA_IN RF Input. Requires DC-blocking capacitor and external matching network. 2 LNA_E LNA Emitter. Connect to GND with an inductor. See inductor value in Table. 3 RX_EN LNA Control. Set RX_EN high to enable LNA; set RX_EN low to disable LNA. Pin Description 4 RF_ATTN Attenuator Control. Set RF_ATTN high for low-gain mode; set RF_ATTN low for high-gain mode. AGC 6 LNA_I AGC Input Voltage. Set AGC to V CC /2 for maximum gain. Set AGC to V CC - 2mV for minimum gain. If left unconnected, the LNA will operate at maximum gain and optimum noise figure. LNA Nominal Bias-Current Setting. Set LNA_I high for high-current mode. Set LNA_I low for low-current mode. If left unconnected, the default state of the LNA is high-current mode. 7 LNA_OUT RF Output Pin. Requires a pullup inductor to LNA_V CC and external matching network. 8 LNA_V CC Supply Voltage for the AGC Amplifier 9 AGC_BYP 1 RSET AGC Bypass. Connect a capacitor to ground. The value of the capacitor is a compromise of AGC response time and blocker frequency offset. External pin for precision resistor to ground to set reference bias current for IC; typical bias current is µa to 1µA. 11 RF_V CC Supply Voltage for the LNA. Bypass with a capacitor to GND as close to the pin as possible. Do NOT connect any tuned circuits to this supply pin. 12 GND Ground EP Exposed Pad Internally connected to GND. Connect to a large ground plane to maximize thermal performance. Do not use as the sole ground connection point. Table. Inductor Selection BAND L SERIES VALUE (nh) LNA TYPE 1MHz (VHF) 33 Low Band 4MHz (UHF) 1 Low Band 4MHz (UHF) High Band 8MHz 2. High Band 1GHz 1.8 High Band Detailed Description The are single-channel, singleended, low-noise amplifiers with two gain modes and continuous automatic gain control (AGC) in both modes. The devices are intended as low-noise gain stages for direct conversion receivers (DCR) or very low IF (VLIF) receivers. These devices provide high gain-control dynamic range (typ 6dB) at RF with excellent noise and reverse isolation characteristics. Vary the resistor at pin RSET and the inductor at LNA_E to meet a wide range of gain and linearity requirements. The ICs can be dynamically configured through pins LNA_I and RF_ATTN. When LNA_I is connected to V CC, the LNA is in high-current mode, nominally configured for maximum gain and low noise figure of the amplifier. If the LNA_I pin is grounded, the current of the LNA is reduced, and the associated gain, input IP3, and noise figure are degraded. The devices have two gain modes configured by the RF_ATTN pin. Set RF_ATTN high for low-gain mode; set RF_ATTN low for high-gain mode. The gain step between these two gain modes typically is 2dB. 8
9 The can be turned off in transmit or battery-save standby mode. The receive-enable pin (RX_EN) also can turn off the devices even if V CC is not removed, because multiple LNAs can be connected to the same V CC for multiband applications. The devices allow external matching networks to configure operation in a wide frequency range. Refer to the EV kit schematic for a guide to designing the matching network. Applications Information AGC The AGC of the is controlled by an external voltage at pin AGC. The amplifier is at full gain if the voltage at pin AGC is nominally V CC /2. It is at minimum gain if the voltage at pin AGC is V CC. The AGC attenuation range, which is continuously variable, is specified at 4dB. The IP3 will degrade slightly as AGC reduces the gain. The devices include two gain modes. Set RF_ATTN high to enable the low-gain mode, which reduces the gain by about 2dB. Low-gain mode will increase the system IP3 by approximately 18dB, which provides strong signal overload and IM protection. An external pin (RF_ATTN) controls switching between gain modes so this function can be combined with overall AGC control. AGC is independent of the choice of gain mode. The gain step between modes is in addition to the range of AGC, allowing a large overall gain-control range. AGC Response A linear transfer function between the AGC control signal and the AGC attenuation is realized in db. The linear relationship in db/v is maintained to ±1% over a specified attenuation range. Any compensation for gain-mode change must come from the AGC control. After reducing gain by switching the RF_ATTN pin, reduce the AGC voltage to achieve the desired overall gain. The LNA current also can be changed by toggling the LNA_I pin. This operation is independent of gain mode and AGC control. The low-current mode is intended as a second (reduced-current) quiescent point of operation for strong-signal operating environments. Matching Networks For best performance, match LNA_IN and LNA_OUT to Ω for the band of operation. Typical matching circuits for two bands (136MHz to 174MHz and 8MHz to 94MHz) are shown in the EV kit. The chip impedance changes minimally from low to high gain and with AGC. The input requires a DC-blocking capacitor. The size of this capacitor influences the startup time and IP3. There is a trade-off between these: A large DC-blocking capacitor means a good IP3 and slow startup. The maximum startup time is determined by the equation below: MAXT START = 4 C AC R SET, where C AC = AC-coupling cap in Farads, R SET = currentsetting resistor in Ω. IP3 will improve with the separation of the interfering tones, so a wider channel system can use a smaller DCblocking capacitor and achieve a better IP3. The customer also can change the emitter inductor at LNA_E to get the desired linearity and gain. Changing this inductor value requires a change to the input match. The output is an open collector and needs a pullup inductor. A load resistor also can be connected across it. The resistor determines the trade-off between the bandwidth of the match and the gain. A small load resistor means a wider match and lower gain. Layout Issues For best performance, pay attention to power-supply issues as well as to the layout of the RFOUT matching network. The EV kit can be used as a layout example. Ground connections followed by supply bypass are the most important. Power-Supply Bypassing The have two supply pins: LNA_V CC and RF_V CC. These must be bypassed separately. It is assumed that there is a large capacitor decoupling the power supply. LNA_V CC and RF_V CC are each decoupled with 1pF (MAX2371) or 1pF (MAX2373) capacitor. Use separate paths to the ground plane for each of the bypass capacitors, and minimize trace length to reduce inductance. The exposed pad must be connected to system ground with very low impedance vias. Power-Supply Layout To minimize coupling between sections of the IC, the ideal power-supply layout is a star configuration with a large decoupling capacitor at a central V CC node. The V CC traces branch from this central node, each to a separate V CC node in the PC board. At the end of each trace is a bypass capacitor that has low ESR at the RF of operation. This arrangement provides local decoupling at each V CC pin. At high frequencies, any signal leaking out of one supply pin sees a relatively high impedance (formed by the V CC trace inductance) to the central V CC node and an even higher impedance to any other supply pin, as well as a low impedance to ground through the bypass capacitor. 9
10 7 V DC RF INPUT MATCH LNA_IN LNA_E RX_EN GND RF ATTENUATOR RF_V CC LNA MAX2371 MAX kΩ PRECISION AGC AMP RSET Typical Operating Circuits AGC_BYP LNA_V CC LNA_OUT EXPONENTIAL CONVERTER RF_ATTN AGC LNA_I Impedance-Matching Network Layout The input- and output-matching networks are sensitive to layout-related parasitic inductions. To minimize parasitic inductance, keep traces short and place components as close as possible to the chip. To minimize parasitic capacitance, minimize the area of the plane. TRANSISTOR COUNT: 36 Chip Information Revision History Pages changed at Rev 1: 1, 8, 1 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 12 San Gabriel Drive, Sunnyvale, CA Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc.
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19-0525; Rev 3; 1/07 EVALUATION KIT AVAILABLE Dual-/Triple-/Quad-Voltage, Capacitor- General Description The are dual-/triple-/quad-voltage monitors and sequencers that are offered in a small TQFN package.
DOCSIS 3.0 Upstream Amplifier
Click here for production status of specific part numbers. MAX3521 General Description The MAX3521 is an integrated CATV upstream amplifier IC designed to exceed the DOCSIS 3. requirements. It provides
High-Voltage, Low-Power Linear Regulators for
19-3495; Rev ; 11/4 High-oltage, Low-Power Linear Regulators for General Description The are micropower, 8-pin TDFN linear regulators that supply always-on, keep-alive power to CMOS RAM, real-time clocks
Precision, Low-Power, 6-Pin SOT23 Temperature Sensors and Voltage References
19-2457; Rev 2; 11/03 Precision, Low-Power, 6-Pin SOT23 General Description The are precise, low-power analog temperature sensors combined with a precision voltage reference. They are ideal for applications
10MHz to 1050MHz Integrated RF Oscillator with Buffered Outputs
9-24; Rev 2; 2/02 EVALUATION KIT AVAILABLE 0MHz to 050MHz Integrated General Description The combines a low-noise oscillator with two output buffers in a low-cost, plastic surface-mount, ultra-small µmax
PART TOP VIEW V EE 1 V CC 1 CONTROL LOGIC
19-1331; Rev 1; 6/98 EVALUATION KIT AVAILABLE Upstream CATV Driver Amplifier General Description The MAX3532 is a programmable power amplifier for use in upstream cable applications. The device outputs
1.25Gbps/2.5Gbps, +3V to +5.5V, Low-Noise Transimpedance Preamplifiers for LANs
19-4796; Rev 1; 6/00 EVALUATION KIT AVAILABLE 1.25Gbps/2.5Gbps, +3V to +5.5V, Low-Noise General Description The is a transimpedance preamplifier for 1.25Gbps local area network (LAN) fiber optic receivers.
OUTPUT UP TO 300mA C2 TOP VIEW FAULT- DETECT OUTPUT. Maxim Integrated Products 1
19-1422; Rev 2; 1/1 Low-Dropout, 3mA General Description The MAX886 low-noise, low-dropout linear regulator operates from a 2.5 to 6.5 input and is guaranteed to deliver 3mA. Typical output noise for this
TOP VIEW TCNOM 1 PB1 PB2 PB3 VEEOUT. Maxim Integrated Products 1
19-3252; Rev 0; 5/04 270Mbps SFP LED Driver General Description The is a programmable LED driver for fiber optic transmitters operating at data rates up to 270Mbps. The circuit contains a high-speed current
High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs
19-2731; Rev 1; 10/03 EVALUATION KIT AVAILABLE High-Efficiency, 26V Step-Up Converters General Description The step-up converters drive up to six white LEDs with a constant current to provide backlight
10MHz to 500MHz VCO Buffer Amplifiers with Differential Outputs
19-4797; Rev 0; 2/99 EVALUATION KIT MANUAL FOLLOWS DATA SHEET 10MHz to 500MHz VCO Buffer Amplifiers General Description The / are flexible, low-cost, highreverse-isolation buffer amplifiers for applications
DESCRIPTIO FEATURES APPLICATIO S. LT GHz to 2.7GHz Receiver Front End TYPICAL APPLICATIO
1.GHz to 2.GHz Receiver Front End FEATURES 1.V to 5.25V Supply Dual LNA Gain Setting: +13.5dB/ db at Double-Balanced Mixer Internal LO Buffer LNA Input Internally Matched Low Supply Current: 23mA Low Shutdown
Dual-/Triple-/Quad-Voltage, Capacitor- Adjustable, Sequencing/Supervisory Circuits
19-0622; Rev 0; 8/06 Dual-/Triple-/Quad-Voltage, Capacitor- General Description The are dual-/triple-/ quad-voltage monitors and sequencers that are offered in a small thin QFN package. These devices offer
Maxim Integrated Products 1
19-2888; Rev 0; 5/03 General Description The MAX2055 evaluation kit (EV kit) simplifies the evaluation of the MAX2055 high-linearity, digitally controlled, variable-gain analog-to-digital converter (ADC)
DOCSIS 3.0 Upstream Amplifier
General Description The MAX3519 is an integrated CATV upstream amplifier IC designed to exceed the DOCSIS 3.0 requirements. The amplifier covers a 5MHz to 85MHz input frequency range (275MHz, 3dB bandwidth),
High-Efficiency LCD Boost with True Shutdown MAX8570 MAX8575
19-3329; Rev 3; 3/1 EVALUATION KIT AVAILABLE High-Efficiency LCD Boost General Description The family of LCD step-up converters uses an internal n-channel switch and an internal p-channel output isolation
SiGe, High-Linearity, 850MHz to 1550MHz Up/Downconversion Mixer with LO Buffer
19-482; Rev 0; 4/09 SiGe, High-Linearity, 80MHz to MHz General Description The high-linearity, up/downconversion mixer provides +3dBm input IP3, 7.8dB noise figure (NF), and 7.4dB conversion loss for 80MHz
Maxim Integrated Products 1
19-0569; Rev 0; 5/06 MAX2041 Evaluation Kit General Description The MAX2041 evaluation kit (EV kit) simplifies the evaluation of the MAX2041 UMTS, DCS, and PCS base-station up/downconversion mixer. It
TANK+ VRLO TANK- GND MAX2104 CPG2 CPG1 RFOUT IDC+ XTLOUT TQFP. Maxim Integrated Products 1
19-1431; Rev 4; 6/05 Direct-Conversion Tuner IC for General Description The low-cost direct-conversion tuner IC is designed for use in digital direct-broadcast satellite (DBS) television set-top box units.
TOP VIEW COM2. Maxim Integrated Products 1
19-3472; Rev ; 1/4 Quad SPST Switches General Description The quad single-pole/single-throw (SPST) switch operates from a single +2V to +5.5V supply and can handle signals greater than the supply rail.
Cold-Junction-Compensated K-Thermocoupleto-Digital Converter (0 C to +128 C)
19-2241; Rev 1; 8/02 Cold-Junction-Compensated K-Thermocoupleto-Digital General Description The cold-junction-compensation thermocouple-to-digital converter performs cold-junction compensation and digitizes
500mA Low-Dropout Linear Regulator in UCSP
19-272; Rev ; 1/2 5mA Low-Dropout Linear Regulator in UCSP General Description The low-dropout linear regulator operates from a 2.5V to 5.5V supply and delivers a guaranteed 5mA load current with low 12mV
TOP VIEW. Maxim Integrated Products 1
19-295; Rev ; 8/1 High-Current VCOM Drive Buffer General Description The is a high-current operational transconductance amplifier. The is ideal for driving the backplane of an active matrix, dot inversion
High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver
19-383; Rev 1; 4/9 High-Voltage, 35mA, Adjustable Linear General Description The current regulator operates from a 6.5V to 4V input voltage range and delivers up to a total of 35mA to one or more strings
±80V Fault-Protected, 2Mbps, Low Supply Current CAN Transceiver
19-2425; Rev 0; 4/02 General Description The interfaces between the control area network (CAN) protocol controller and the physical wires of the bus lines in a CAN. It is primarily intended for industrial
Maxim Integrated Products 1
19-3533; Rev 0; 1/05 MAX9996 Evaluation Kit General Description The MAX9996 evaluation kit (EV kit) simplifies the evaluation of the MAX9996 UMTS, DCS, and PCS base-station downconversion mixer. It is
622Mbps, Ultra-Low-Power, 3.3V Transimpedance Preamplifier for SDH/SONET
19-1601; Rev 2; 11/05 EVALUATION KIT AVAILABLE 622Mbps, Ultra-Low-Power, 3.3V General Description The low-power transimpedance preamplifier for 622Mbps SDH/SONET applications consumes only 70mW at = 3.3V.
TOP VIEW. OUTPUT PRESET 2.5V TO 5V 200mA SHDN 3 4 BP GND. Maxim Integrated Products 1
19-2584; Rev ; 1/2 Low-Noise, Low-Dropout, 2mA General Description The low-noise, low-dropout linear regulator operates from a 2.5V to 6.5V input and delivers up to 2mA. Typical output noise is 3µV RMS,
150mA, Low-Dropout Linear Regulator with Power-OK Output
9-576; Rev ; /99 5mA, Low-Dropout Linear Regulator General Description The low-dropout (LDO) linear regulator operates from a +2.5V to +6.5V input voltage range and delivers up to 5mA. It uses a P-channel
MAX2045/MAX2046/MAX2047 Evaluation Kits
19-2793; Rev 0a; 4/03 MAX2045/MAX2046/MAX2047 Evaluation Kits General Description The MAX2045/MAX2046/MAX2047 evaluation kits (EV kits) simplify evaluation of the MAX2045/MAX2046/ MAX2047 vector multipliers.
DESIGNATION QTY DESCRIPTION
19-2686; Rev 1; 2/04 MAX2027 Evaluation Kit General Description The MAX2027 evaluation kit (EV kit) simplifies the evaluation of the MAX2027 high-linearity, digitally controlled, variable-gain amplifier.
** Dice/wafers are designed to operate from -40 C to +85 C, but +3.3V. V CC LIMITING AMPLIFIER C FILTER 470pF PHOTODIODE FILTER OUT+ IN TIA OUT-
19-2105; Rev 2; 7/06 +3.3V, 2.5Gbps Low-Power General Description The transimpedance amplifier provides a compact low-power solution for 2.5Gbps communications. It features 495nA input-referred noise,
Current-Limited Switch for Single USB Port
9-57; Rev ; / Current-Limited Switch for Single USB Port General Description The is a current-limited, 6mΩ switch with built-in fault blanking. Its accurate preset current limit of.6a to.6a makes it ideally
Dual-Output Step-Down and LCD Step-Up Power Supply for PDAs
19-2248; Rev 2; 5/11 EVALUATI KIT AVAILABLE Dual-Output Step-Down and LCD Step-Up General Description The dual power supply contains a step-down and step-up DC-DC converter in a small 12-pin TQFN package
Ultrasound Variable-Gain Amplifier MAX2035
19-63; Rev 1; 2/9 Ultrasound Variable-Gain Amplifier General Description The 8-channel variable-gain amplifier (VGA) is designed for high linearity, high dynamic range, and low-noise performance targeting
PART TOP VIEW. OUT 3.3V AT 100mA POK. Maxim Integrated Products 1
9-600; Rev ; 6/00 General Description The is a buck/boost regulating charge pump that generates a regulated output voltage from a single lithium-ion (Li+) cell, or two or three NiMH or alkaline cells for
EVALUATION KIT AVAILABLE Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package MAX8902AATA+ INPUT 1.7V TO 5.5V LOGIC SUPPLY. R3 100kΩ.
19-0990; Rev 4; 4/11 EVALUATION KIT AVAILABLE Low-Noise 500mA LDO Regulators General Description The low-noise linear regulators deliver up to 500mA of output current with only 16µV RMS of output noise
PART MAX4144ESD MAX4146ESD. Typical Application Circuit. R t IN- IN+ TWISTED-PAIR-TO-COAX CABLE CONVERTER
9-47; Rev ; 9/9 EVALUATION KIT AVAILABLE General Description The / differential line receivers offer unparalleled high-speed performance. Utilizing a threeop-amp instrumentation amplifier architecture,
Low-Voltage, 1.8kHz PWM Output Temperature Sensors
19-266; Rev 1; 1/3 Low-Voltage, 1.8kHz PWM Output Temperature General Description The are high-accuracy, low-power temperature sensors with a single-wire output. The convert the ambient temperature into
PART. Maxim Integrated Products 1
19-1999; Rev 4; 7/04 3.2Gbps Adaptive Equalizer General Description The is a +3.3V adaptive cable equalizer designed for coaxial and twin-axial cable point-to-point communications applications. The equalizer
LVDS or LVTTL/LVCMOS Input to 14 LVTTL/LVCMOS Output Clock Driver
19-2392; Rev ; 4/2 LVDS or LVTTL/LVCMOS Input to General Description The 125MHz, 14-port LVTTL/LVCMOS clock driver repeats the selected LVDS or LVTTL/LVCMOS input on two output banks. Each bank consists
SUPPLIER PHONE FAX WEBSITE TDK Maxim Integrated Products 1
19-2574; Rev 0; 9/02 MAX4001 Evaluation Kit General Description The MAX4001 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that evaluates the MAX4001 RF-detecting controller
High-Accuracy, 76V, High-Side Current Monitors in SOT23 MAX4007/MAX4008. Features
19-2743; Rev 3; 4/07 High-Accuracy, 76V, High-Side General Description The precision, high-side, high-voltage current monitors are specifically designed for monitoring photodiode current in fiber applications.
Rail-to-Rail, 200kHz Op Amp with Shutdown in a Tiny, 6-Bump WLP
19-579; Rev ; 12/1 EVALUATION KIT AVAILABLE Rail-to-Rail, 2kHz Op Amp General Description The op amp features a maximized ratio of gain bandwidth (GBW) to supply current and is ideal for battery-powered
OSC2 Selector Guide appears at end of data sheet. Maxim Integrated Products 1
9-3697; Rev 0; 4/05 3-Pin Silicon Oscillator General Description The is a silicon oscillator intended as a low-cost improvement to ceramic resonators, crystals, and crystal oscillator modules as the clock
MAX889TESA -40 C to +85 C 8 SO 2MHz MAX889SESA -40 C to +85 C 8 SO 1MHz MAX889RESA -40 C to +85 C 8 SO 0.5MHz. Maxim Integrated Products 1
19-1774; Rev ; 7/ EVALUATION KIT AVAILABLE High-Frequency, Regulated, General Description The inverting charge pump delivers a regulated negative output voltage at loads of up to 2. The device operates
TOP VIEW COUT1 COM2. Maxim Integrated Products 1
19-77; Rev ; 7/4.75Ω, Dual SPDT Audio Switch with General Description The dual, single-pole/double-throw (SPDT) switch operates from a single +2V to +5.5V supply and features rail-to-rail signal handling.
SiGe High-Linearity, 400MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch
1-34; Rev ; 4/ EVALUATION KIT AVAILABLE General Description The high-linearity downconversion mixer provides.1db gain, +dbm IIP3, and.3db NF for MHz to MHz base-station receiver applications*. With an
30 MHz to 6 GHz RF/IF Gain Block ADL5611
Data Sheet FEATURES Fixed gain of 22.2 db Broad operation from 3 MHz to 6 GHz High dynamic range gain block Input and output internally matched to Ω Integrated bias circuit OIP3 of 4. dbm at 9 MHz P1dB
TOP VIEW 4 C BLOCK. Maxim Integrated Products 1
19-113; Rev 1; 8/3 EVLUTION KIT VILBLE DC-to-Microwave, +V Low-Noise mplifier General Description The is a low-noise amplifier for use from DC to microwave frequencies. Operating from a single +V supply,
140ms (min) WDO Pulse Period PART. Maxim Integrated Products 1
19-2804; Rev 2; 12/05 5-Pin Watchdog Timer Circuit General Description The is a low-power watchdog circuit in a tiny 5- pin SC70 package. This device improves system reliability by monitoring the system
50 MHz to 4.0 GHz RF/IF Gain Block ADL5602
Data Sheet FEATURES Fixed gain of 20 db Operation from 50 MHz to 4.0 GHz Highest dynamic range gain block Input/output internally matched to 50 Ω Integrated bias control circuit OIP3 of 42.0 dbm at 2.0
EVALUATION KIT AVAILABLE 10MHz to 1050MHz Integrated RF Oscillator with Buffered Outputs. Typical Operating Circuit. 10nH 1000pF MAX2620 BIAS SUPPLY
19-1248; Rev 1; 5/98 EVALUATION KIT AVAILABLE 10MHz to 1050MHz Integrated General Description The combines a low-noise oscillator with two output buffers in a low-cost, plastic surface-mount, ultra-small
PART MPEG DECODER 10-BIT DAC 10-BIT DAC 10-BIT DAC. Maxim Integrated Products 1
19-3779; Rev 4; 1/7 EVALUATION KIT AVAILABLE Triple-Channel HDTV Filters General Description The are fully integrated solutions for filtering and buffering HDTV signals. The MAX95 operates from a single
10Ω, Quad, SPST, +3V Logic-Compatible Analog Switches
19-218; Rev 1; 9/8 1Ω, Quad, SPST, +3V Logic-Compatible General Description Maxim s analog switches feature low on-resistance (1Ω max) and 1.5Ω onresistance matching between channels. These switches are
TOP VIEW. Maxim Integrated Products 1
19-267; Rev ; 7/1 Low-Dropout, Constant-Current General Description The low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white
50Ω, Low-Voltage, Quad SPST/Dual SPDT Analog Switches in WLP
9-266; Rev 3; /2 5Ω, Low-Voltage, Quad SPST/Dual SPDT Analog General Description The low-voltage, quad single-pole single-throw (SPST)/dual single-pole/double-throw (SPDT) analog switches operate from
400 MHz to 4000 MHz ½ Watt RF Driver Amplifier ADL5324
Data Sheet FEATURES Operation from MHz to MHz Gain of 14.6 db at 21 MHz OIP of 4.1 dbm at 21 MHz P1dB of 29.1 dbm at 21 MHz Noise figure of.8 db Dynamically adjustable bias Adjustable power supply bias:.
ECL/PECL Dual Differential 2:1 Multiplexer
19-2484; Rev 0; 7/02 ECL/PECL Dual Differential 2:1 Multiplexer General Description The fully differential dual 2:1 multiplexer (mux) features extremely low propagation delay (560ps max) and output-to-output
EVALUATION KIT AVAILABLE 300MHz to 450MHz High-Efficiency, Crystal-Based +13dBm ASK Transmitter 3.0V. 100nF DATA INPUT
19-31; Rev 4; /11 EVALUATION KIT AVAILABLE 300MHz to 450MHz High-Efficiency, General Description The crystal-referenced phase-locked-loop (PLL) VHF/UHF transmitter is designed to transmit OOK/ASK data
High-Voltage, Low-Power Linear Regulators for Notebook Computers
19-1225; Rev 3; 9/4 High-Voltage, Low-Power Linear Regulators General Description The are micropower, SOT23-5 linear regulators that supply always-on, keep-alive power to CMOS RAM and microcontrollers
LVTTL/LVCMOS DATA INPUT 100Ω SHIELDED TWISTED CABLE OR MICROSTRIP PC BOARD TRACES. Maxim Integrated Products 1
19-1991; Rev ; 4/1 EVALUATION KIT AVAILABLE General Description The quad low-voltage differential signaling (LVDS) line driver is ideal for applications requiring high data rates, low power, and low noise.
30 MHz to 6 GHz RF/IF Gain Block ADL5610
Data Sheet FEATURES Fixed gain of 18.4 db Broad operation from 3 MHz to 6 GHz High dynamic range gain block Input and output internally matched to Ω Integrated bias circuit OIP3 of 38.8 dbm at 9 MHz P1dB