GENERAL DESCRIPTION

The AD7722 is a complete low power, 16-bit, Σ-∆ ADC. The part operates from a 5 V supply and accepts a differential input voltage range of 0 V to +2.5 V or ±1.25 V centered around a common-mode bias. The AD7722 provides 16-bit performance for input bandwidths up to 90.625 kHz. The part provides data at an output word rate of 195.3 kHz.

FEATURES

16-Bit Σ-Δ ADC

64x Oversampling Ratio

Up to 220 kSPS Output Word Rate

Low-Pass, Linear Phase Digital Filter

Inherently Monotonic

On-Chip 2.5 V Voltage Reference

Single-Supply 5 V

High Speed Parallel or Serial Interface