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Partname:AD7872KRZ-REEL
Description:CMOS, Complete 14-Bit Sampling ADC with Serial Output
Manufacturer:Analog Devices
Pins:16
Datasheet:PDF (344K).
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The AD7871 and AD7872 are fast, complete, 14-bit analog-todigital converters. They consist of a track/hold amplifier, successive-approximation ADC, 3 V buried Zener reference and versatile interface logic. The ADC features a self-contained, laser trimmed internal clock, so no external clock timing components are required. The on-chip clock may be overridden to synchronize ADC operation to the digital system for minimum noise. The AD7871 offers a choice of three data output formats: a single, parallel, 14-bit word; two 8-bit bytes or a 14-bit serial data stream. The AD7872 is a serial output device only. The two parts are capable of interfacing to all modern microprocessors and digital signal processors. The AD7871 and AD7872 operate from 5 V power supplies, accept bipolar input signals of 3 V and can convert full power signals up to 41.5 kHz.

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