Description

The Intersil ICL7129 is a very high performance 41/2-digit, analog-to-digital converter that directly drives a multiplexed liquid crystal display. This single chip CMOS integrated circuit requires only a few passive components and a reference to operate. It is ideal for high resolution hand-held digital multimeter applications.

Features

• ±19,999 Count A/D Converter Accurate to ±4 Count

• 10µV Resolution on 200mV Scale

• 110dB CMRR

• Direct LCD Display Drive

• True Differential Input and Reference

• Low Power Consumption

• Decimal Point Drive Outputs

• Overrange and Underrange Outputs

• Low Battery Detection and Indication

• 10:1 Range Change Input