DG212B

更新时间： 2024-11-30 10:03:27

品牌	Logo	应用领域
威世 - VISHAY		开关
页数	文件大小	规格书
13页	177K
描述
Improved Quad CMOS Analog Switches

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DG212B 数据手册

DG211B, DG212B

Vishay Siliconix

Improved Quad CMOS Analog Switches

DESCRIPTION

FEATURES

•

22 V supply voltage rating

The DG211B, DG212B analog switches are highly improved

versions of the industry-standard DG211, DG212. 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.

TTL and CMOS compatible logic

Low on-resistance - R_DS(on): 50 

Low leakage - I_D(on): 20 pA

Single supply operation possible

Extended temperature range

Fast switching - t_ON: 120 ns

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.

• Low charge injection - Q: 1 pC

BENEFITS

• Wide analog signal range

•

Simple logic interface

Higher accuracy

All devices feature true bi-directional performance in the on

condition, and will block signals to the supply levels in the off

condition.

Minimum transients

Reduced power consumption

Superior to DG211, DG212

The DG211B is a normally closed switch and the DG212B is

a normally open switch. (see Truth Table.)

• Space savings (TSSOP)

APPLICATIONS

•

Industrial instrumentation

Test equipment

Communications systems

Disk drives

Computer peripherals

Portable instruments

Sample-and-hold circuits

FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION

DG211B

Dual-In-Line, SOIC and TSSOP

TRUTH TABLE

Logic

DG211B

DG212B

OFF

V-

V+

Logic “0” 0.8 V

Logic “1” 2.4 V

GND

Top View

* Pb containing terminations are not RoHS compliant, exemptions may apply.

Document Number: 70040

S11-0179-Rev. J, 07-Feb-11

www.vishay.com

12 3 4 5 6 7...13

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