DG441DY Datasheet

Quad SPST CMOS Analog Switches


Features, Applications


Low On-Resistance: 50 W Low Leakage: 80 pA Low Power Consumption: 0.2 mW Fast Switching Action--tON: 150 ns Low Charge Injection--Q: pC DG201A/DG202 Upgrades TTL/CMOS-Compatible Logic Single Supply Capability

D Less Signal Errors and Distortion D Reduced Power Supply Requirements D Faster Throughput D Improved Reliability D Reduced Pedestal Errors D Simplifies Retrofit D Simple Interfacing


Audio Switching Battery Powered Systems Data Acquisition Hi-Rel Systems Sample-and-Hold Circuits Communication Systems Automatic Test Equipment Medical Instruments


The DG441/442 monolithic quad analog switches are designed to provide high speed, low error switching of analog and audio signals. The DG441 has a normally closed function. The DG442 has a normally open function. Combining low on-resistance (50 W, typ.) with high speed (tON 150 ns, typ.), the DG441/442 are ideally suited for upgrading DG201A/202 sockets. Charge injection has been minimized on the drain for use in sample-and-hold circuits. To achieve high voltage ratings and superior switching performance, the DG441/442 are built on Vishay Siliconix's high-voltage silicon-gate process. An epitaxial layer prevents latchup.

Each switch conducts equally well in both directions when on, and blocks input voltages to the supply levels when off.

V+ to V�. 44 V GND to V�. 25 V Digital Inputsa VS, VD. (V�) V to (V+) or 30 mA, whichever occurs first Continuous Current (Any Terminal). 30 mA Current, or D (Pulsed 1 ms, 10% duty cycle). 100 mA Storage Temperature (AK Suffix). to 150_C (DJ, DY Suffix). to 125_C Power Dissipation (Package)b 16-Pin Plastic DIPc. mW 16-Pin CerDIPd. mW 16-Pin Narrow Body SOICd. 1200 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. c. Derate 6 mW/_C above 75_C d. Derate 12 mW/_C above 25_C

Test Conditions Unless Otherwise Specified Parameter Analog Switch

Input Current VIN Low Input Current VIN High IIL IIH VIN under test 0.8 V, All Other 2.4 V VIN under test 2.4 V, All Other 0.8 V Full nA 500

Turn-On Time DG441 Turn-Off Time Charge Injectione DG442 tOFF Q OIRR XTALK CS(off) CD(off) CD(on) = 1 MHz VANALOG 0 V tON "10 V, See Figure = 1 nF, 0 V Vgen 0 V, Rgen = 1 MHz Room pC ns

Off Isolatione Crosstalke (Channel-to-Channel) Source Off Capacitancee Drain Off Capacitancee Channel On Capacitancee

Positive Supply Current Negative Supply Current Ground Current I+ I� IGND �16.5 V VIN 5 V Full Room Full mA



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