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Vishay Siliconix - Improved Quad CMOS Analog Switches

Numéro de référence DG202BDK
Description Improved Quad CMOS Analog Switches
Fabricant Vishay Siliconix 
Logo Vishay Siliconix 





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DG202BDK fiche technique
DG201B/202B
Vishay Siliconix
Improved Quad CMOS Analog Switches
FEATURES
D "22-V Supply Voltage Rating
D TTL and CMOS Compatible Logic
D Low On-Resistance—rDS(on): 45 W
D Low Leakage—ID(on): 20 pA
D Single Supply Operation Possible
D Extended Temperature Range
D Fast Switching—tON: 120 ns
D Low Glitching—Q: 1 pC
BENEFITS
D Wide Analog Signal Range
D Simple Logic Interface
D Higher Accuracy
D Minimum Transients
D Reduced Power Consumption
D Superior to DG201A/202
D Space Savings (TSSOP)
APPLICATIONS
D Industrial Instrumentation
D Test Equipment
D Communications Systems
D Disk Drives
D Computer Peripherals
D Portable Instruments
D Sample-and-Hold Circuits
DESCRIPTION
The DG201B/202B analog switches are highly improved
versions of the industry-standard DG201A/202. 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 DG201B and DG202B can handle
up to "22-V input signals, 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 voltages in the
off condition.
The DG201B is a normally closed switch and the DG202B is
a normally open switch. (See Truth Table.)
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG201B
Dual-In-Line, SOIC and TSSOP
IN1 1
D1 2
S1 3
V– 4
GND 5
S4 6
D4 7
IN4 8
Top View
16 IN2
15 D2
14 S2
13 V+
12 NC
11 S3
10 D3
9 IN3
TRUTH TABLE
Logic
DG201B
DG202B
0 ON OFF
1
OFF
ON
Logic “0” v 0.8 V
Logic “1” w 2.4 V
Document Number: 70037
S-52433—Rev. G, 06-Sep-99
www.vishay.com S FaxBack 408-970-5600
4-1

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