Product Summary

The ADUC847BSZ62-5 is a complete smart transducer front end. It integrates high resolution Σ-Δ ADCs with flexible, up to 10-channel input multiplexing, a fast 8-bit MCU, and program/data Flash/EE memory on a single chip. The ADUC847BSZ62-5 includes the same primary ADC as the ADuC845 (auxiliary ADC removed). The applications of the ADUC847BSZ62-5 include Multichannel sensor monitoring, Industrial/environmental instrumentation, Weigh scales, pressure sensors, temperature monitoring, Portable instrumentation, battery-powered systems, Data logging, precision system monitoring.

Parametrics

ADUC847BSZ62-5 absolute maximum ratings: (1)AVDD to AGND: –0.3 V to +7 V; (2)AVDD to DGND: –0.3 V to +7 V; (3)DVDD to DGND: –0.3 V to +7 V; (4)DVDD to DGND: –0.3 V to +7 V; (5)AGND to DGND: –0.3 V to +0.3 V; (6)AVDD to DVDD: –2 V to +5 V; (7)Analog Input Voltage to AGND: –0.3 V to AVDD + 0.3 V; (8)Reference Input Voltage to AGND: –0.3 V to AVDD + 0.3 V; (9)AIN/REFIN Current (Indefinite): 30 mA; (10)Digital Input Voltage to DGND: –0.3 V to DVDD + 0.3 V; (11)Digital Output Voltage to DGND: –0.3 V to DVDD + 0.3 V; (12)Operating Temperature Range: –40℃ to +125℃; (13)Storage Temperature Range: –65℃ to +150℃; (14)Junction Temperature: 150℃.

Features

ADUC847BSZ62-5 features: (1)High resolution Σ-Δ ADCs; (2)Two independent 24-bit ADCs on the ADuC845; (3)Single 24-bit ADC on the ADuC847 and single 16-bit ADC on the ADuC848; (4)Up to 10 ADC input channels on all parts; (5)24-bit no missing codes; (6)22-bit rms (19.5 bit p-p) effective resolution; (7)Offset drift 10 nV/℃, gain drift 0.5 ppm/℃ chop enabled.

Diagrams

ADUC847BSZ62-5 block diagram

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