S 500µA (typ) Supply Current S TSSOP 16-Pin Package S -40 C to +85 C Ambient Temperature Range S Functionally Compatible to DG411, DG412, and DG413

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1 19-572; Rev ; 12/1 Quad SPST +7V Analog Switches General Description The are analog switches with a low on-resistance of 1I (max) that conduct equally well in both directions. All devices have a rail-to-rail analog-signal range. They operate with a single +1V to +7V supply in unipolar applications or Q35V dual supplies in bipolar applications. The bipolar supplies can be offset and do not have to be symmetrical. The is a quad normally closed (NC) singlepole/single-throw (SPST) switch, the is a quad normally open (NO) SPST switch, and the has two NO and two NC SPST switches. These switches have 5I (typ) on-resistances and low on-leakage currents of.1na (typ). The on-resistance flatness is.4i (typ). The devices are suitable for a multitude of analog signal routing and switching applications. They are specified over an extended temperature range of -4NC to +85NC, but can be operated up to +125NC with elevated leakage currents. Industrial Control Systems Instrumentation Battery Management Environmental Control Systems Medical Systems ATE System Audio Signal Routing/Switching Automotive Applications Features S Single-Supply Operation from +1V to +7V S Bipolar-Supply Operation Up to ±35V S On-Resistance of 1I (max) S RON Flatness of.4i (typ) S 2.5nA (max) Off-Leakage Currents at +85 C S Overvoltage/Undervoltage Clamping Through Protection Diodes S 5µA (typ) Supply Current S TSSOP 16-Pin Package S -4 C to +85 C Ambient Temperature Range S Functionally Compatible to DG411, DG412, and DG413 S Functionally Operational Up to +125 C PART EUE+ EUE+ EUE+ Ordering Information FUNCTION Quad NC SPST Quad NO SPST Dual NO + NC SPST TEMP RANGE -4NC to +85NC -4NC to +85NC -4NC to +85NC +Denotes a lead(pb)-free/rohs-compliant package. PIN- PACKAGE 16 TSSOP 16 TSSOP 16 TSSOP Functional Diagrams A1 B A B2 EN EN EN4 B4 A EN3 7 1 B3 8 9 A3 A1 B A B2 EN EN EN4 B4 A EN3 7 1 B3 8 9 A3 A1 B A B2 EN EN EN4 B4 A EN3 7 1 B3 8 9 A3 TSSOP TSSOP TSSOP LOGIC ES CLOSED 1 OPEN LOGIC ES OPEN 1 CLOSED LOGIC ES 1, 4 CLOSED 1 OPEN ES 2, 3 OPEN CLOSED Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at , or visit Maxim s website at

2 Quad SPST +7V Analog Switches ABSOLUTE MAXIMUM RATINGS to...-.3v to +72V to...-36v to +.3V, to...-.3v to the lesser of (+12V, +.3V), to...-.3v to ( + 2V) or 1mA (whichever occurs first) Continuous Current into,... Q1mA PACKAGE THERMAL CHARACTERISTICS (Note 1) TSSOP Junction-to-Ambient Thermal Resistance (B JA )...9NC/W Junction-to-Case Thermal Resistance (B JC )...27NC/W Continuous Power Dissipation (T A = +7NC) TSSOP (derate 11.1mW/NC above +7NC)...889mW Operating Temperature Range... -4NC to +85NC Storage Temperature Range NC to +15NC Junction Temperature NC Lead Temperature (soldering, 1s)...+3NC Soldering Temperature (reflow)...+26nc Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a fourlayer board. For detailed information on package thermal considerations, refer to 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 DUAL SUPPLIES ( = +35V, = -35V, V = V, = +3.3V, T A = -4NC to +85NC, unless otherwise noted. Typical values are at T A = +25NC.) POWER SUPPLY PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply-Voltage Range V Supply-Voltage Range V Logic Supply-Voltage Range V Supply Current Supply Current I DD(OFF) V to switch off state, V, V = +2V 2 45 I DD(ON) V to switch on state, V, V = +2V 5 8 I SS(OFF) V to switch off state, V, V = +2V 2 45 I SS(ON) V to switch on state, V, V = +2V 5 8 Current IL = +11V, V EN1 = V EN2 = V EN3 = V EN4 = (.25 x ) or (.75 x ) FA FA.4 ma Analog-Signal Range V, V Figure 1 V Current Through Switch I, I V, V = +2V ma On-Resistance R ON I, I = 1mA, V, V = Q2V, Figure I On-Resistance Matching Between Channels DR ON I, I = 1mA, V, V = Q2V, V (Note 2).3.5 I On-Resistance Flatness R FLAT(ON) I, I = 1mA, V, V = Q2V.4 I V = Q2V, V = unconnected, Figure On-Leakage Current I A/(ON) V = Q2V, V = unconnected,.1 T A = +25NC, Figure 2 V = Q2V, V = -2V, Figure Off-Leakage Current I A/(OFF) V = Q2V, V = -2V, T A = +25NC,.1 Figure 3 na na 2

3 Quad SPST +7V Analog Switches ELECTRICAL CHARACTERISTICS DUAL SUPPLIES (continued) ( = +35V, = -35V, V = V, = +3.3V, T A = -4NC to +85NC, unless otherwise noted. Typical values are at T A = +25NC.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS LOGIC (EN1, EN2, EN3, EN4) Input-Voltage Low V IL.25 x Input-Voltage High V IH.75 x Input Leakage Current V = V or FA DYNAMIC CHARACTERISTICS /VSS Power-On Time RL = 1kI 1 Fs Enable Turn-On Time t ON VA _, V = Q1V, R L = 1kI, Figure Fs Enable Turn-Off Time t OFF V, V = Q1V, R L = 1kI, Figure Fs Off-Isolation V ISO V, V = 1V RMS, f = 1kHz, R L = 1kI, C L = 15pF, Figure 5 DC ELECTRICAL CHARACTERISTICS SINGLE SUPPLY ( = +7V, = V = V, = +3.3V, T A = -4NC to +85NC, unless otherwise noted. Typical values are at T A = +25NC.) (Note 2) V V 65 db Crosstalk V CT RS = R L = 1kI, Figure 6 96 db -3dB Bandwidth BW R S = 5I, R L = 1kI, Figure MHz Total Harmonic Distortion Plus Noise THD+N R S = R L = 1kI, f = 2Hz to 2kHz.1 % Charge Injection Q, =, C L = 1nF, Figure 8 58 pc Switch-On Capacitance C IN = +5V, = V, V, V = +4V, f = 1MHz Switch-Off Capacitance C IN = +5V, = V, V A _, V = +4V, f = 1MHz 4 pf 35 pf POWER SUPPLY PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply-Voltage Range V On-Resistance R ON I = 1mA, V, V = +2V, Figure I On-Resistance Matching Between Channels DR ON I, I = 1mA, V, V = +7V, V (Note 2) Note 2: Guaranteed by design; not production tested. Note 3: All parameters in single-supply operation are expected to be the same as in dual-supply operation..3.5 I Off-Leakage Current I A/(OFF) V = +4V, V = +1V, Figure na 3

4 Quad SPST +7V Analog Switches Figure 1. On-Resistance Measurement V CLOSED OPEN I (OFF) I IN Test Circuits/Timing Diagrams UNCONNECTED Figure 2. On-Leakage Current I (OFF) CLOSED I (ON) A A A Figure 3. Off-Leakage Current 4

5 Quad SPST +7V Analog Switches Figure 4. Enable Switching Time R S = 5Ω 5Ω +1V 1kΩ OPEN R L = 1kΩ Test Circuits/Timing Diagrams (continued) C L = 15pF 5Ω +5V V V A1 5% t ON A2 9% EN1 EN2 B2 t R < 2ns t F < 2ns t OFF 1% 2 CLOSED R L = 1kΩ OFF-ISOLATION = 2log VOUT CROSSTALK = 2log VOUT Figure 5. Off-Isolation Figure 6. Crosstalk 5

6 Quad SPST +7V Analog Switches Figure 7. Frequency Response 5Ω CLOSED Test Circuits/Timing Diagrams (continued) NETWORK ANALYZER MEAS REF ON-LOSS = 2log VOUT C L = 1nF V EN +5V V V ON OFF ON IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF. Q = C L Figure 8. Charge Injection 6

7 Quad SPST +7V Analog Switches (T A = +25NC, = +3.3V, unless otherwise noted.) RON (Ω) RON (Ω) ON-RESISTANCE vs. V AND TEMPERATURE (SINGLE SUPPLY) 1 = +7V = V T A = +125 C 8 T A = +85 C ON-RESISTANCE vs. V (DUAL SUPPLIES) T A = +25 C ±35V ±1V (V) (V) ±2V T A = -4 C ±3V toc1 toc4 RON (Ω) LEAKAGE CURRENT (na) ON-RESISTANCE vs. V AND TEMPERATURE (DUAL SUPPLIES) 1 = +35V = -35V T A = +125 C T A = +25 C ON-LEAKAGE vs. TEMPERATURE = +35V = -35V T A = +85 C I (ON) (V) TEMPERATURE ( C) Typical Operating Characteristics T A = -4 C toc2 toc5 RON (Ω) LEAKAGE CURRENT (na) ON-LEAKAGE vs. TEMPERATURE = +35V = -35V I (OFF) ON-RESISTANCE vs. V (SINGLE SUPPLY) +2V +4V (V) I (OFF) TEMPERATURE ( C) +7V toc3 toc6 1 8 CHARGE INJECTION vs. TEMPERATURE = +35V = -35V toc7 1 9 SUPPLY CURRENT vs. TEMPERATURE = +35V = -35V = +3.3V toc INPUT CURRENT vs. V = +35V = -35V toc9 Q (pc) 6 4 IDD, ISS (µa) I DD IL (µa) TEMPERATURE ( C) 5 I SS TEMPERATURE (C) V (V) 7

8 Quad SPST +7V Analog Switches Typical Operating Characteristics (continued) (T A = +25NC, = +3.3V, unless otherwise noted.) CROSSTALK (db) CROSSTALK vs. FREQUENCY = +35V = -35V THD+N (%) FREQUENCY (MHz) TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY = +35V = -35V toc1 OFF-ISOLATION (db) OFF-ISOLATION vs. FREQUENCY = +35V = -35V toc13 FREQUENCY (MHz) PSRR (db) toc11 = +35V = -35V ON-LOSS (db) PSRR vs. FREQUENCY ON-LOSS vs. FREQUENCY -4 = +35V = -35V FREQUENCY (MHz) toc14 toc FREQUENCY (khz) FREQUENCY (MHz) 5 4 TURN-ON TIME vs. INPUT VOLTAGE = +35V = -35V toc TURN-OFF TIME vs. INPUT VOLTAGE = +35V = -35V toc16 ton (µs) 3 2 toff (µs) V (V) V (V) 8

9 Quad SPST +7V Analog Switches TOP VIEW A1 B A B2 EN EN EN4 B4 A EN3 7 1 B3 8 9 A3 TSSOP Pin Configuration Pin Description PIN NAME FUNCTION 1 A1 Terminal A of Switch 1 2 B1 Terminal B of Switch 1 3 EN1 Enable Input of Switch 1. When EN1 is driven high, the switch s state (NO/NC) changes (see Tables 1, 2, and 3). Negative Supply Voltage. Bypass to with a 1FF ceramic capacitor (1V rated) as close as 4 possible to the pin. 5 Ground 6 EN4 Enable Input of Switch 4. When EN4 is driven high, the switch s state (NO/NC) changes (see Tables 1, 2, and 3). 7 B4 Terminal B of Switch 4 8 A4 Terminal A of Switch 4 9 A3 Terminal A of Switch 3 1 B3 Terminal B of Switch 3 11 EN3 Enable Input of Switch 3. When EN3 is driven high, the switch s state (NO/NC) changes (see Tables 1, 2, and 3). 12 Logic Supply Voltage. Bypass VL to with a 1FF ceramic capacitor as close as possible to the pin. Positive Supply Voltage. Bypass to with a 1FF ceramic capacitor (1V rated) as close as 13 possible to the pin. 14 EN2 Enable Input of Switch 2. When EN2 is driven high, the switch s state (NO/NC) changes (see Tables 1, 2, and 3). 15 B2 Terminal B of Switch 2 16 A2 Terminal A of Switch 2 9

10 Quad SPST +7V Analog Switches Detailed Description The are analog switches with low on-resistance of 1I (max) that conduct equally well in both directions. All devices have a rail-to-rail analog-signal range. They operate with a single +7V supply in unipolar applications or Q35V dual supplies in bipolar applications. The bipolar supplies can be offset and do not have to be symmetrical. The is a quad NC SPST switch, the is a quad NO SPST switch, and the has two NO and two NC SPST switches. These switches have 5I (typ) on-resistances and low on-leakage currents of 5nA (max). The on-resistance flatness is.4i (typ). These devices are suitable for a multitude of analog-signal routing and switching applications, and are functonally operational up to +125 C with increased leakage currents. Applications Information Low-Distortion Audio The switches, having low RON and very low RON variation with signal amplitude, are well suited for low-distortion audio applications. The Typical Operating Characteristics show Total Harmonic Distortion (THD) vs. Frequency graphs for several signal amplitudes. Current Through the Switches The current flowing through every switch must be limited to Q5mA for normal operation. If the current exceeds this limit, an internal leakage current flows from the switch to VSS. Larger input currents do not destroy the device, as long as the Absolute Maximum Ratings are not exceeded. Input-Voltage Clamping For applications that require input voltages beyond the supplies rails, the internal input diodes to VDD and VSS can be used to limit the input voltages. As shown in Figure 9, series resistors can be employed at the inputs to limit the currents flowing into the diodes during undervoltage and overvoltage conditions. Choose the limiting resistors such that the input currents are limited to IIN_(MAX) = 1mA. The values of the current-limit resistors can be calculated as the larger of RLIM+ and RLIM-. (MAX) V R DD LIM+ = I IN_ (MAX) VSS (MIN) RLIM = I IN_ (MAX) Table 1. Truth Table LOGIC Table 2. Truth Table Table 3. Truth Table EN1 A1/B1 Closed EN2 A2/B2 Closed EN3 A3/B3 Closed EN4 A4/B4 Closed EN1 1 A1/B1 Open EN2 1 A2/B2 Open EN3 1 A3/B3 Open EN4 1 A4/B4 Open LOGIC EN1 A1/B1 Open EN2 A2/B2 Open EN3 A3/B3 Open EN4 A4/B4 Open EN1 1 A1/B1 Closed EN2 1 A2/B2 Closed EN3 1 A3/B3 Closed EN4 1 A4/B4 Closed LOGIC EN1 A1/B1 Closed EN2 A2/B2 Open EN3 A3/B3 Open EN4 A4/B4 Closed EN1 1 A1/B1 Open EN2 1 A2/B2 Closed EN3 1 A3/B3 Closed EN4 1 A4/B4 Open During an undervoltage or overvoltage condition, the input impedance is equal to RLIM. The additional power dissipation due to the fault currents needs to be calculated. During an overvoltage or undervoltage clamping condition on one switch input, the other switches of the operate normally. Beyond-the-Rail Input If input voltages are expected to go beyond the supply voltages, but within the absolute maximum supply voltages of the, add two diodes in series with the supplies as shown in Figure 1. 1

11 Quad SPST +7V Analog Switches R LIM A1 R LIM A2 R LIM A3 R LIM A4 Figure 9. Input Overvoltage and Undervoltage Clamping V+ R V- Figure 1. Beyond-the-Rail Application During undervoltage and overvoltage events, the internal diodes pull VDD/VSS supplies up/down. An advantage of this scheme is that the input impedance is high and currents do not flow though the // during overvoltage and undervoltage events. The input voltages must be limited to the voltages specified in the Absolute Maximum Ratings section. PROCESS: BiCMOS B1 B2 B3 B4 Chip Information Package Information For the latest package outline information and land patterns (footprints), go to Note that a +, #, or - in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. PACKAGE TYPE PACKAGE CODE OUTLINE NO. LAND PATTERN NO. 16 TSSOP U

12 Quad SPST +7V Analog Switches REVISION NUMBER REVISION DATE DESCRIPTION Revision History PAGES CHANGED 12/1 Initial release 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. 12 Maxim Integrated Products, 12 San Gabriel Drive, Sunnyvale, CA Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.

MAX14777 Quad Beyond-the-Rails -15V to +35V Analog Switch

MAX14777 Quad Beyond-the-Rails -15V to +35V Analog Switch General Description The quad SPST switch supports analog signals above and below the rails with a single 3.0V to 5.5V supply. The device features a selectable -15V/+35V or -15V/+15V analog signal range