Description
The CS5550 combines two ∆Σ ADCs and a serial interface on a single chip. The CS5550 has on-chip functionality to facilitate offset and gain calibration. The CS5550 features a bi-directional serial interface for communication with a microcontroller.

Features
Power Consumption <12 mW
- with VD+ = 3.3 V
Adjustable Input Range on AIN1±
GND-referenced Signals with Single Supply
On-chip 2.5 V Reference (25 ppm/°C typ)
Simple Three-wire Digital Serial Interface
Power Supply Configurations
VA+ = +5 V; AGND = 0 V; VD+ = +3.3 V to +5 V