GENERAL DESCRIPTION

The AD7880 is a high speed, low power, 12-bit A/D converter which operates from a single +5 V supply. It consists of a 3 µs track/hold amplifier, a 12 µs successive-approximation ADC, versatile interface logic and a multiple-input-range circuit. The part also includes a power save feature.

FEATURES

12-Bit Monolithic A/D Converter

66 kHz Throughput Rate

12 μs Conversion Time

3 μs On-Chip Track/Hold Amplifier

Low Power

Power Save Mode: 2 mW typ

Normal Operation: 25 mW typ

70 dB SNR

Fast Data Access Time: 57 ns

Small 24-Lead SOIC and 0.3 DIP Packages

APPLICATIONS

Battery Powered Portable Systems

Digital Signal Processing

Speech Recognition and Synthesis

High Speed Modems

Control and Instrumentation