Datasheet > DG458_08

DG458_08

更新时间： 2024-09-16 06:53:07

品牌	Logo	应用领域
威世 - VISHAY		复用器
页数	文件大小	规格书
10页	131K
描述
Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers

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DG458_08 数据手册

DG458/459

Vishay Siliconix

Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers

DESCRIPTION

FEATURES

The DG458 and DG459 are 8-channel single-ended and

4-channel differential analog multiplexers, respectively,

incorporating fault protection. A series n-p-n MOSFET

structure provides device and signal-source protection in the

event of power loss or overvoltages. Under fault conditions

the multiplexer input (or output) appears as an open circuit

and only a few nanoamperes of leakage current will flow.

This protects not only the multiplexer and the circuitry

following it, but also protects the sensors or signal sources

which drive the multiplexer.

•

Fault and Overvoltage Protection

All Channels Off When Power Off

Latchup-Proof

Pb-free

Available

RoHS*

COMPLIANT

Fast Switching - T_A: 200 ns

Break-Before-Make Switching

Low On-Resistance: 180 Ω

Low Power Consumption: 3 mW

TTL and CMOS Compatible Inputs

BENEFITS

•

Improved Ruggedness

The DG458 and DG459 can withstand continuous

overvoltage inputs up to 35 V. All digital inputs have TTL

compatible logic thresholds. Break-before-make operation

prevents channel-to-channel interference.

Power Loss Protection

Prevents Adjacent Channel Crosstalk

Standard Logic Interface

Superior Accuracy

Fast Settling Time

The DG458 and DG459 are improved pin-compatible

replacements for HI-508A/509A and MAX358/359

multiplexers.

APPLICATIONS

•

Data Acquisition Systems

Industrial Process Control Systems

Avionics Test Equipment

High-Rel Control Systems

Telemetry

FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION

DG458

DG459

Dual-In-Line

V-

GND

V+

V-

Decoders/Drivers

GND

V+

Top View

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

Document Number: 70064

S-71155–Rev. G, 11-Jun-07

www.vishay.com

12 3 4 5 6 7...10

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