GENERAL DESCRIPTION

The ADG438F and ADG439F are CMOS analog multiplexers, with the ADG438F comprising eight single channels and the ADG439F comprising four differential channels. These multiplexers provide fault protection.

FEATURES

All switches off with power supply off

Analog output of on channel clamped within power supplies

if an overvoltage occurs

Latch-up proof construction

Fast switching times

tON 250 ns maximum

tOFF 150 ns maximum

Fault and overvoltage protection: −40 V to +55 V

Break-before-make construction

TTL- and CMOS-compatible inputs

APPLICATIONS

Data acquisition systems

Industrial and process control systems

Avionics test equipment

Signal routing between systems

High reliability control systems