AD7872 Datasheet
CMOS, Complete 14-Bit Sampling ADC with Serial Output
CMOS, Complete 14-Bit Sampling ADC with Serial Output
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The AD7872 are fast, complete, 14-bit analog-to-digital converters (ADC). They consist of a track-and-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 AD7872 is a serial output device only. The two parts are capable of interfacing to all modern microprocessors and digital signal processors.
The 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.
In addition to the traditional dc accuracy specifications, the AD7872 are also fully specified for dynamic performance parameters including distortion and signal-to-noise ratio.
Both devices are fabricated in Analog Devices, Inc., LC2MOS mixed technology process. The AD7872 is available in a 16-pin PDIP, CERDIP, and SOIC packages.