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TC7129 Datasheet 4-1/2 Digit Analog-to-digital Converters

Manufacturer: TelCom

Overview: 1 TC7129 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD.

Datasheet Details

Part number TC7129
Manufacturer TelCom
File Size 214.38 KB
Description 4-1/2 Digit Analog-to-Digital Converters
Datasheet TC7129_TelCom.pdf

General Description

The TC7129 is a 4-1/2 digit analog-to-digital converter (ADC) that directly drives a multiplexed liquid crystal display (LCD).

Fabricated in high-performance, low-power CMOS, the TC7129 ADC is designed specifically for highresolution, battery-powered digital multimeter applications.

The traditional dual-slope method of A/D conversion has been enhanced with a successive integration technique to produce readings accurate to better than 0.005% of full scale, and resolution down to 10 µV per count.

Key Features

  • s s s s s s s s s Count Resolution ±19,999 Resolution on 200 mV Scale 10 µV True Differential Input and Reference Low Power Consumption 500 µA at 9V Direct LCD Driver for 4-1/2 Digits, Decimal Points, Low-Battery Indicator, and Continuity Indicator Overrange and Underrange Outputs Range Select Input 10:1 High Common-Mode Rejection Ratio 110 dB External Phase Compensation Not Required 2 3 4 5.

TC7129 Distributor