DG5143 Datasheet

Low-power--hi-speed CMOS Analog Switch


Features, Applications


"15-V Input Range On-Resistance: 50 W Fast Switching Action--tON: 100 ns Low Power--PD: <350 mW TTL and CMOS Compatible

Improved Signal Headroom Low Signal Errors Break-Before-Make Switching Action Reduced Power Consumption Simple Interfacing

Audio Switching Precision Switching High-Speed Switching Battery Powered Systems

The DG5143 solid state analog switch is built on the Vishay Siliconix proprietary high-voltage silicon gate process to achieve high voltage rating and superior switch time on/off performance. Break-before-make switching action guarantees that an on-channel will be turned off before the off-channel can turn on. The DG5143 features ultra-low power supply requirements and TTL and CMOS compatibility. Each switch conducts equally well in both directions when on and blocks input voltages to the supply values when off. This switch is ideal for battery powered industrial applications with a maximum power supply current of 1 mA. An expitaxial layer prevents latchup.

(V+) � (V�). 36 V (V+) � (VD)a. 30 V (VD) � (V�)a. 30 V (VD) � (VS)a. "22 V (VL) � (V�). 33 V (VL) � (VIN). 30 V VL. 20 V VINa. 20 V Continuous Current, Any Terminal. 30 mA Peak Current, or D (pulsed a 1 ms, 10% duty cycle max). 100 mA Storage Temperature. to 125_ Power Dissipation (Package)b 16-Pin Plastic DIP. 450 mW Notes: a. Signals on SX, DX, or INX exceeding or V� will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads welded or soldered to PC Board.

Test Conditions Unless Otherwise Specified Parameter Analog Switch

Analog Signal Ranged Drain-Source On-Resistance VANALOG rDS(on) IS(off) Switch Off Leakage Current ID(off) Channel On Leakage Current ID(on) 10 mA Full Room Full Room Full Room Full Room Full V W

Input Current with VIN Low Input Current with VIN High IIL IIH Full mA

Turn-On Time Turn-Off Time Break-Before-Make Charge Injectiond Off Isolationd Channel-to-Channel Crosstalkd tON tOFF tON � tOFF Q OIRR XTALK = 10,000 pF, Vgen 0 V, Rgen v 5 pF, = 1 MHz Any Other Channel Switches v 5 pF, = 1 MHz pF F See Figure 1 Room pC ns

Positive Supply Current Negative Supply Current Logic Supply Current Ground Current I� IL IGND VIN 5 V Switch it h Duty D t Cycle <10% 10% Room mA

Notes: a. Room = 25_C, Full = as determined by the operating temperature suffix. b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. c. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. d. Guaranteed by design, not subject to production test. e. VIN = input voltage to perform proper function. www.vishay.com S FaxBack 408-970-5600 Document Number: B, 28-Apr-97

3V Logic Input Switch Input Switch Output Switch Input 50% 0V tOFF VO 0V tON 90%



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