PART MPEG DECODER 10-BIT DAC 10-BIT DAC 10-BIT DAC. Maxim Integrated Products 1
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1 ; 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 +5V supply, while the MAX951 operates from dual ±5V supplies. The MAX95/ MAX951 triple-channel video reconstruction filters are both gain and delay matched and are ideal for use in set-top boxes, DVD players, and other equipment that generate analog HDTV outputs. The interface between the currentoutput, digital-to-analog converters (DAC) of an Advanced Television Standard Committee (ATSC), Motion Picture Experts Group (MPEG) decoder and the external connections of a television, set-top box, or DVD player. The feature a DC-coupled input with very low input capacitance and high resistance. The highly selective lowpass filters remove spectral replicas at the output of the DAC. The output amplifier has +6dB of gain to drive 75Ω back-terminated loads to unity gain. The DC-coupled input eliminates problems such as sync crush, droop, and field tilt. The output load can be DC- or AC-coupled, depending on the application. All three channels in the have the same frequency response with matched group delay and gain. The filter response meets the requirements of the EIA-77.3/SMPTE 274M filter template achieving > 4dB attenuation at 44.25MHz. The can also be used as an antialiasing filter for HDTV component inputs. The are available in compact 16-pin QSOP packages and are fully specified over the -4 C to +85 C extended temperature range. Applications Cable and Satellite Set-Top Box Receivers A/V Receivers Home Theater Systems HDTV Sets DVD Players Video Projectors Digital Displays Features 3MHz Bandwidth at ±1.5dB Extremely Sharp Rolloff, Lowpass Filters -5dB at 44.25MHz DC-Coupled Inputs; AC- or DC-Coupled Outputs ±5V Dual Supply (MAX951) 5V Single Supply (MAX95) Matched Group Delay and Gain Drive Single/Double Back-Terminated Loads (15Ω/75Ω) Directly to Ground Sink and Source Output Current High Input Impedance to Interface to Low Output- Current DAC 16-Pin QSOP Package PART Ordering Information PIN- PACKAGE SUPPLY VOLTAGE (V) PKG CODE MAX95EEE+ 16 QSOP +5 E16-8F MAX951EEE+ 16 QSOP ±5 E16-8F +Denotes lead-free package. Note: All devices are specified over the -4 C to +85 C operating temperature range. MPEG DECODER -BIT DAC -BIT DAC -BIT DAC Typical Operating Circuit 15Ω 15Ω YIN PbIN PrIN MAX95 MAX951 LPF LPF LPF V CC +6dB +6dB +6dB.1µF YOUT PbOUT PrOUT 75Ω 75Ω 75Ω Pin Configurations appear at end of data sheet. 15Ω SUBG (MAX95).1µF VEE (MAX951) Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at , or visit Maxim s website at
2 MAX95/951/MAX951 ABSOLUTE MAXIMUM RATINGS Positive Supply Voltage (V CC to )...-.3V to +6V Negative Supply Voltage (MAX951) (V EE to )...+.3V to -6V All Input Pins...-.3V to (V CC +.3V) All Output Pins (MAX95)...-.3V to (V CC +.3V) All Output Pins (MAX951)...(V EE -.3V) to +3V Output Short-Circuit Duration (OUT to V CC or ) (MAX95)...s Output Short-Circuit Duration (OUT to or V EE ) (MAX951)...s 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. ELECTRICAL CHARACTERISTICS MAX95 (Single Supply) Continuous Input Current (YIN, PbIN, PrIN)...±2mA Continuous Power Dissipation (T A = +7 C) 16-Pin QSOP (derate 12.8mW/ C above +7 C)...25mW Operating Temperature Range...-4 C to +85 C Junction Temperature C Storage Temperature Range C to +15 C Lead Temperature (soldering, s)...+3 C (V CC = 5V, R L =, T A = T MIN to T MAX, unless otherwise noted. Typical values are at T A = +25 C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC CHARACTERISTICS Supply Voltage Range V CC Guaranteed by PSRR V Quiescent Supply Current (Per Channel) I CC ma Input Voltage Range V IN Guaranteed by voltage gain 1.4 V Voltage Gain A V V IN = to 1.4V R L = 15Ω to R L = 15Ω to 2V R L = 75Ω to R L = 75Ω to 2V Gain Matching A V Any two channels db Input Bias Current I B V IN = V 4 µa Input Resistance R IN V IN = to 1.4V 25 8 kω Output Offset Voltage V OS V IN = V V Power-Supply Rejection Ratio PSRR V CC = 4.5V to 5.5V, V IN = 1.4V 3 6 db AC CHARACTERISTICS (R L = 15Ω to, unless otherwise noted) Passband Flatness A PB f =.1MHz to 3MHz, V IN = 1V P-P, T A = +25 C db ±3. ±1.5 db f = 44.25MHz, V IN = 1V P-P, T A = +25 C 4 51 db Attenuation A SB f = 74.25MHz, V IN = 1V P-P 38 db Settling Time t S V IN = 1V P-P, V OUT < 1% 15 ns Slew Rate SR V IN = 1V P-P V/µs Bar Response BR Bar time is one-half the active line of a 8i format signal; the beginning 2.5% and the ending 2.5% of the bar time is ignored.4 K% 2
3 ELECTRICAL CHARACTERISTICS MAX95 (Single Supply) (continued) (V CC = 5V, R L =, T A = T MIN to T MAX, unless otherwise noted. Typical values are at T A = +25 C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Nonlinearity NL 5-step staircase.4 % Channel Delay t D Difference in time between the 5% point of the output signals, Y to Pb and Y to Pr Group Delay Group-Delay Variation Channel-to-Channel Group-Delay Matching GD GD GD CH-CH < 1 ns khz f 2MHz, V YOUT = V PbOUT = V PrOUT = 2V P-P 26 ns khz f 2MHz, V YOUT = V PbOUT = V PrOUT = 2V P-P < ns V YOUT = V PbOUT = V PrOUT = 2V P-P, Y to Pb and Y to Pr, 1MHz f 2MHz.2 ns Peak Signal-to-RMS Noise SNR khz f 2MHz, V IN = 1V P-P 6 db Power-Supply Rejection Ratio PSRR AC f = khz, V RIPPLE = 2mV P-P 6 db Output Impedance Z O f = 3MHz 8 Ω Input Capacitance C IN 1 pf Capacitive-Load Drive C L No sustained oscillations 25 pf ELECTRICAL CHARACTERISTICS MAX951 (Dual Supply) (V CC = 5V, V EE = -5V, R L =, T A = T MIN to T MAX, unless otherwise noted. Typical values are at T A = +25 C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC CHARACTERISTICS Positive Supply Voltage Range V CC Guaranteed by PSRR V Negative Supply Voltage Range V EE Guaranteed by PSRR V V CC Quiescent Supply Current (Per Channel) I CC ma V EE Supply Current (Per Channel) I EE 6 9 ma Input Voltage Range V IN Guaranteed by voltage gain 1.4 V Voltage Gain A V V IN = to 1.4V R L = 15Ω to db R L = 75Ω to Gain Matching A V Any two channels db Input Bias Current I B V IN = V 4 µa Input Resistance R IN V IN = to 1.4V 25 8 kω Output Offset Voltage V OS V IN = V V Power-Supply Rejection Ratio PSRR V CC = 4.5V to 5.5V, V IN = 1.4V, V EE = -4.5V to -5.5V 4 6 db 3
4 ELECTRICAL CHARACTERISTICS MAX951 (Dual Supply) (continued) (V CC = 5V, V EE = -5V, R L =, T A = T MIN to T MAX, unless otherwise noted. Typical values are at T A = +25 C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS AC CHARACTERISTICS (R L = 15Ω to, unless otherwise noted) Passband Flatness A PB f =.1MHz to 3MHz, V IN = 1V P-P, T A = +25 C ±4. ±1.5 db f = 44.25MHz, V IN = 1V P-P, T A = +25 C db Attenuation A SB f = 74.25MHz, V IN = 1V P-P 38 db Settling Time t S V IN = 1V P-P, V OUT < 1% 15 ns Slew Rate SR V IN = 1V P-P V/µs Bar Response BR Bar time is one-half the active line of a 8i format signal; the beginning 2.5% and the ending 2.5% of the bar time is ignored.4 K% Nonlinearity NL 5-step staircase.4 % Channel Delay t D Difference in time between the 5% point of the output signals, Y to Pb and Y to Pr < 1 ns Group Delay Group-Delay Variation GD GD khz f 2MHz, V YOUT = V PbOUT = V PrOUT = 2V P-P 25 ns khz f 2MHz, V YOUT = V PbOUT = V PrOUT = 2V P-P < ns Channel-to-Channel Group-Delay Matching GD CH-CH V YOUT = V PbOUT = V PrOUT = 2V P-P, Y to Pb and Y to Pr, 1MHz f 2MHz.6 ns Peak Signal-to-RMS Noise SNR khz f 2MHz, V IN = 1V P-P 6 db Power-Supply Rejection Ratio PSRR AC f = khz, V RIPPLE = 2mV P-P 6 db Output Impedance Z O f = 3MHz 8 Ω Input Capacitance C IN 1 pf Capacitive-Load Drive C L No sustained oscillations 25 pf Note 1: All specifications are % tested at T A = +25 C; temperature limits are guaranteed by design. 4
5 (V CC = 5V, R L = 15Ω to, T A = +25 C, unless otherwise noted.) MAX95 FREQUENCY RESPONSE -5 VIN = 1VP-P MAX95/1 toc1 MAX95 PASSBAND FLATNESS V IN = 1V P-P Typical Operating Characteristics MAX95/1 toc2 DELAY (ns) MAX95 GROUP DELAY MAX95/1 toc3 NORMALIZED AMPLITUDE.1 1%.5%.5% 1% MAX95 K2T MEASUREMENT VIN =.7V 2T = 33ns t/2t MAX5/1 toc4 MAX95 VIDEO CROSSTALK - V IN = 1V P-P ANY CHANNEL TO Y ANY CHANNEL TO Pb OR Pr MAX95/1 toc MAX951 FREQUENCY RESPONSE -5 VIN = 1VP-P MAX95/1 toc6 MAX951 PASSBAND FLATNESS 2. VIN = 1VP-P MAX95/1 toc7 DELAY (ns) MAX951 GROUP DELAY MAX95/1 toc8 5
6 Typical Operating Characteristics (continued) (V CC = 5V, R L = 15Ω to, T A = +25 C, unless otherwise noted.) NORMALIZED AMPLITUDE.1 MAX951 K2T MEASUREMENT 1% 1%.5%.5%.5% 1% VIN =.7V 2T = 33ns t/2t MAX5/1 toc9 MAX951 VIDEO CROSSTALK - V IN = 1V P-P ANY CHANNEL TO Pb OR Pr ANY CHANNEL TO Y MAX95/1 toc MAX951 VEE POWER-SUPPLY REJECTION RATIO - 1k k k 1M M M FREQUENCY (Hz) MAX95/1 toc11 SUPPLY CURRENT (ma) MAX951 VEE SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( C) SUPPLY CURRENT (ma) MAX95/1 toc VCC SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( C) V CC POWER-SUPPLY REJECTION RATIO - 1k k k 1M M M FREQUENCY (Hz) MAX95/1 toc15 IMPEDANCE (Ω) MAX95/1 toc13 SIGNAL-TO-NOISE RATIO vs. FREQUENCY V IN = 1V P-P OUTPUT IMPEDANCE vs. FREQUENCY.1 1 MAX95/1 toc16 MAX95/1 toc14 6
7 MAX95 1, 7, 8, 9, 16 PIN MAX951 NAME SUBG Pin Description FUNCTION Substrate Ground. Connect to ground. 2 2 YIN Y Channel Input 3, 5 3, 5 Ground 4 4 PbIN Pb Channel Input 6 6 PrIN Pr Channel Input PrOUT Pr Channel Output 11, 13, 15 11, 13, 15 V CC Positive Supply PbOUT Pb Channel Output YOUT Y Channel Output 1, 7, 8, 9, 16 V EE Negative Supply Detailed Description The are fully integrated solutions for filtering and buffering HDTV signals. The MAX95 operates from a single +5V supply, while the MAX951 operates from dual ±5V supplies. The MAX95/ MAX951 interface between the current-output DACs of an ATSC, MPEG decoder, and the external connections of a television, set-top box, or DVD player. The feature a DC-coupled input buffer with very low input capacitance, highly selective lowpass filters to remove out-of-band noise, and a gain of +6dB in the output amplifier to drive 75Ω back-terminated loads to unity gain. The DC-coupled input buffer eliminates sync crush, droop, and field tilt. The output load can be DC- or AC-coupled. Filter The reconstruction filters feature a 6th-order elliptical response, providing a 1.5dB flat passband response up to 3MHz. The filter meets the selectivity requirements of the EIA-77.3/SMPTE 274M filtering template, achieving > 4dB attenuation at 44.25MHz. The can also be used as anti-aliasing filters for HDTV component inputs. Output Buffer The output buffers provide +6dB of gain and can drive 2VP-P into a single or double back-terminated load (15Ω or 75Ω, respectively) directly to ground. The output can be AC-coupled or DC-coupled. Applications Information Input Considerations The inputs are normally DC-coupled. No AC-coupling capacitors are required because the input voltage range includes ground and extends up to 1.4V, allowing the to be directly connected to the output of a single-supply, current-output DAC without any external bias network. The inputs can be AC-coupled. Use a fixed bias or video clamp to set the DC bias to ensure that the negative peak of the video signal is as near to V as possible. A video clamp is preferred because it limits the total swing of the signal and holds the blanking level constant. Output Considerations The outputs are normally DC-coupled, so no AC-coupling capacitors are required. For V input, the MAX95 output voltage is.8v and the MAX951 output voltage is V, typical. Connect the directly to a video cable with a 75Ω series back-termination resistor to match the impedance of the cable. Properly terminate the other end of the cable with a 75Ω load. The outputs can sink and source current allowing the device to be AC-coupled. However, AC-coupling the outputs will degrade the tilt. Power-Supply Bypassing and Layout Considerations The MAX95 operates from a single +5V supply while the MAX951 operates from dual ±5V supplies. Bypass V CC and V EE (MAX951) to with a.1µf capacitor as close to the device as possible, and an additional 1µF capacitor in parallel if any significant low-frequency disturbances are present in the vicinity of the. Use an extensive ground plane to ensure optimum performance. The input and output termination resistors should be placed as close to the device as possible to avoid performance degradation in the frequency response. The PC board traces at the output should have 75Ω characteristic impedance when matching into a 75Ω characteristic impedance cable. Keep the board trace at the inputs and outputs of the as short as possible to minimize the parasitic stray capacitance and noise pickup. 7
8 TOP VIEW SUBG YIN PbIN PrIN SUBG SUBG MAX95 QSOP 16 SUBG 15 V CC 14 YOUT 13 V CC 12 PbOUT 11 V CC PrOUT 9 SUBG V EE YIN PbIN PrIN V EE V EE Pin Configurations 16 VEE 15 V CC 14 YOUT MAX V CC 12 PbOUT 11 V CC PrOUT 9 V EE QSOP PROCESS: Bipolar Chip Information 8
9 Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to QSOP.EPS PACKAGE OUTLINE, QSOP.15",.25" LEAD PITCH F 1 1 Revision History Pages changed at Rev 4: 1, 2, 3, 9 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. Quijano
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19-2049; Rev 3; 1/05 Dual, Audio, Log Taper Digital Potentiometers General Description The dual, logarithmic taper digital potentiometers, with 32-tap points each, replace mechanical potentiometers in
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19-38; Rev 3; 6/7 Low-Power, Low-Drift, +2.5V/+5V/+1V General Description The precision 2.5V, 5V, and 1V references offer excellent accuracy and very low power consumption. Extremely low temperature drift
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19-47; Rev ; 7/9 EVALUATION KIT AVAILABLE Receiver for Optical Distance Measurement General Description The is a high-gain linear preamplifier for distance measurement applications using a laser beam.
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19-13; Rev 1; /1 EVALUATION KIT AVAILABLE W-CDMA LNA/Mixer ICs General Description The MAX37/MAX3/ low-noise amplifier (LNA), downconverter mixers designed for W-CDMA applications, are ideal for ARIB (Japan)
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9-; Rev ; /9 EVALUATION KIT AVAILABLE 3MHz, Low-Power, General Description The differential line driver offers high-speed performance while consuming only mw of power. Its amplifier has fully symmetrical
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9-346; Rev 2; / 2kHz, 4µA, Rail-to-Rail General Description The single MAX99/MAX99 and dual MAX992/ MAX993 operational amplifiers (op amps) feature a maximized ratio of gain bandwidth (GBW) to supply current
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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
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9; Rev ; /97 EVALUATION KIT AVAILABLE MHz, Ultra-Low-Distortion Op Amps General Description The MAX8/MAX9/MAX8/MAX9 op amps combine ultra-high-speed performance with ultra-lowdistortion operation. The
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19-3745; Rev 0; 7/05 47MHz to 870MHz Analog CATV General Description The analog transimpedance amplifier (TIA) is designed for CATV applications in fiber-to-the-home (FTTH) networks. This high-linearity
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EVALUATION KIT AVAILABLE MAX47 General Description The MAX47 is a single operational amplifier that provides a maximized ratio of gain bandwidth (GBW) to supply current and is ideal for battery-powered
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19-2409; Rev 1; 9/02 General Description The MAX9600/MAX9601/MAX9602 ultra-high-speed comparators feature extremely low propagation delay (ps). These dual and quad comparators minimize propagation delay
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19-2575; Rev 0; 10/02 One-to-Four LVCMOS-to-LVPECL General Description The low-skew, low-jitter, clock and data driver distributes one of two single-ended LVCMOS inputs to four differential LVPECL outputs.
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19-2141; Rev ; 8/1 75Ω/Ω/Ω Switchable Termination General Description The MAX346/MAX347/MAX348 are general-purpose line-terminating networks designed to change the termination value of a line, depending
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More informationLow-Cost, +3V/+5V, 620µA, 200MHz, Single-Supply Op Amps with Rail-to-Rail Outputs
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19-13; Rev 2; 9/ Low-Cost, SOT23, Voltage-Output, General Description The MAX173 low-cost, precision, high-side currentsense amplifier is available in a tiny SOT23-6 package. It features a voltage output
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19-172; Rev ; 4/ Dual, 8-Bit, Voltage-Output General Description The contains two 8-bit, buffered, voltage-output digital-to-analog converters (DAC A and DAC B) in a small 8-pin SOT23 package. Both DAC
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