GENERAL DESCRIPTION

The AD7652 is a 16-bit, 500 kSPS, charge redistribution SAR analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, internal reference, error correction circuits, and both serial and parallel system interface ports.

FEATURES

Throughput: 500 kSPS

16-bit resolution

Analog input voltage range: 0 V to 2.5 V

No pipeline delay

Parallel and serial 5 V/3 V interface

SPI®/QSPITM/MICROWIRETM/DSP compatible

Single 5 V supply operation

Power dissipation

65 mW typ, 130 µW @ 1 kSPS without REF

80 mW typ with REF

48-lead LQFP and 48-lead LFCSP packages

Pin-to-pin compatible with PulSAR ADCs

APPLICATIONS

Data acquisition

Instrumentation

Digital signal processing

Spectrum analysis

Medical instruments

Battery-powered systems

Process control