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DG211BSILICONIXN/a501avaiImproved Quad CMOS Analog Switches
DG211BSIN/a157avaiImproved Quad CMOS Analog Switches


DG211B ,Improved Quad CMOS Analog Switches  FaxBack 408-970-5600S-00788—Rev. H, 24-Apr-004-2DG211B/212BVishay Siliconix  Test Con ..
DG211B ,Improved Quad CMOS Analog Switches  FaxBack 408-970-5600S-00788—Rev. H, 24-Apr-004-1DG211B/212BVishay Siliconix 

DG211B
Improved Quad CMOS Analog Switches
IN1 IN2 D2 S2 V+
GND VL S3 D3
IN4 IN3
DG211B

Dual-In-Line, SOIC and TSSOP
DG211B/212B
Vishay Siliconix
Improved Quad CMOS Analog Switches

�������� �������� ������������ 22-V Supply Voltage Rating TTL and CMOS Compatible Logic Low On-Resistance—rDS(on): 50  Low Leakage—ID(on): 20 pA Single Supply Operation Possible Extended Temperature Range Fast Switching—tON: 120 ns Low Charge Injection—Q: 1 pC Wide Analog Signal Range Simple Logic Interface Higher Accuracy Minimum Transients Reduced Power Consumption Superior to DG211/212 Space Savings (TSSOP) Industrial Instrumentation Test Equipment Communications Systems Disk Drives Computer Peripherals Portable Instruments Sample-and-Hold Circuits
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The DG211B/212B analog switches are highly improved
versions of the industry-standard DG211/212. These devices
are fabricated in Vishay Siliconix’ proprietary silicon gate
CMOS process, resulting in lower on-resistance, lower
leakage, higher speed, and lower power consumption.
These quad single-pole single-throw switches are designed
for a wide variety of applications in telecommunications,
instrumentation, process control, computer peripherals, etc. An
improved charge injection compensation design minimizes
switching transients. The DG211B and DG212B can handle
up to 22 V, and have an improved continuous current rating
of 30 mA. An epitaxial layer prevents latchup.
All devices feature true bi-directional performance in the on
condition, and will block signals to the supply levels in the off
condition.
The DG211B is a normally closed switch and the DG212B is
a normally open switch. (See Truth Table.)
Logic “0”  0.8 V
Logic “1”  2.4 V
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