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ICL7109 Datasheet 12-Bit/ Microprocessor- Compatible A/D Converter

Manufacturer: Intersil (now Renesas)

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General Description

The ICL7109 is a high performance, CMOS, low power integrating A/D converter designed to easily interface with microprocessors.

The output data (12 bits, polarity and over-range) may be directly accessed under control of two byte enable inputs and a chip select input for a single parallel bus interface.

A UART handshake mode is provided to allow the ICL7109 to work with industry-standard UARTs in providing serial data transmission.

Overview

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Key Features

  • 12-Bit Binary (Plus Polarity and Over-Range) Dual Slope Integrating Analog-to-Digital Converter.
  • Byte-Organized, TTL Compatible Three-State Outputs and UART Handshake Mode for Simple Parallel or Serial Interfacing to Microprocessor Systems.
  • RUN/HOLD Input and STATUS Output Can Be Used to Monitor and Control Conversion Timing.
  • True Differential Input and Differential Reference.
  • Low Noise (Typ).
  • . . . . 15µVP-P.

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