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Vishay Intertechnology - (DG211B / DG212B) Improved Quad CMOS Analog Switches

Numéro de référence DG212B
Description (DG211B / DG212B) Improved Quad CMOS Analog Switches
Fabricant Vishay Intertechnology 
Logo Vishay Intertechnology 





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DG212B fiche technique
DG211B/212B
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): 50 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 Charge Injection—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 DG211/212
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 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.)
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG211B
Dual-In-Line, SOIC and TSSOP
IN1
D1
S1
V–
GND
S4
D4
IN4
1
2
3
4
5
6
7
8
Top View
16 IN2
15 D2
14 S2
13 V+
12 VL
11 S3
10 D3
9 IN3
Document Number: 70040
S-00788—Rev. H, 24-Apr-00
TRUTH TABLE
Logic
DG211B
DG212B
0 ON OFF
1
OFF
ON
Logic “0” v 0.8 V
Logic “1” w 2.4 V
www.vishay.com S FaxBack 408-970-5600
4-1

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