Description
® ADS7803 Autocalibrating, 4-Channel, 12-Bit ANALOG-TO-DIGITAL CONVERTER .
The ADS7803 is a monolithic CMOS 12-bit analogto-digital converter with internal sample/hold and fourchannel multiplexer.
Features
* q LOW POWER: 10mW plus Power Down q SIGNAL-TO-(NOISE + DISTORTION) RATIO OVER TEMPERATURE: 69dB min with fIN = 1kHz 66dB min with fIN = 50kHz q FAST CONVERSION TIME: 8.5µs Including Acquisition (117kHz Sampling Rate) q DC PERFORMANCE OVER TEMPERATURE: ±3/4 LSB max Total Error ±1/4 LSB max Channel Mi
Applications
* Conversion results are available in two bytes through an 8-bit three-state output bus. The ADS7803 is available in a 28-pin plastic DIP and 28-lead PLCC, fully specified for operation over the industrial
* 40°C to +85°C temperature range. A0 A1
Address Latch and Decoder
Calibration Microc