Description
Data Sheet .
11 General Description 15
8052 Instruction Set 18 Timer Operation 18 ALE 18 External Memory Access 18 Complete SFR Map 19 Functional Descr.
Features
* High resolution Σ-Δ ADCs 2 independent 24-bit ADCs on the ADuC845 Single 24-bit ADC on the ADuC847 and
single 16-bit ADC on the ADuC848 Up to 10 ADC input channels on all devices 24-bit no missing codes 22-bit rms (19.5 bit p-p) effective resolution Offset drift 10 nV/°C, gain drift 0.5 ppm/°C chop
Applications
* Multichannel sensor monitoring Industrial/environmental instrumentation Weigh scales, pressure sensors, temperature monitoring Portable instrumentation, battery-powered systems Data logging, precision system monitoring
AIN1
AIN10 AINCOM
REFIN2+ REFIN2
* REFIN
* REFIN+
RESET DVDD DGND