AD7871
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AD7871

CMOS, Complete 14-Bit, Sampling ADC with Three Data Output Formats

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Part Details
Part Models 4
1ku List Price Starting From $86.23
Features
  • Complete monolithic 14-bit ADC
  • Twos complement coding
  • Parallel, byte, and serial digital interface
  • 80 dB SNR at 10 kHz input frequency
  • 57 ns data access time
  • Low power: 50 mW typ
  • 83 kSPS throughput rate
Additional Details
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The AD7871 / 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 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 / 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 AD7871 / 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 AD7871 is available in 28-pin PDIP, PLCC, and CERDIP packages. The AD7872 is available in a 16-pin PDIP, CERDIP, and SOIC packages.

Part Models 4
1ku List Price Starting From $86.23

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Product Lifecycle

PCN

Mar 7, 2019

- 19_0046

Assembly Transfer of 18,20,24,28 Lead PDIP to Cirtek

Aug 19, 2009

- 07_0024

Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

Feb 3, 2009

- 08_0001

Qualification of 8" 3um BiCMOS wafer fab process at Analog Devices, Limerick, Ireland.

AD7871JNZ

PRODUCTION

AD7871JPZ

PRODUCTION

AD7871JPZ-REEL

PRODUCTION

AD7871KPZ

PRODUCTION

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Mar 7, 2019

- 19_0046

arrow down

Assembly Transfer of 18,20,24,28 Lead PDIP to Cirtek

Aug 19, 2009

- 07_0024

arrow down

Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

Feb 3, 2009

- 08_0001

arrow down

Qualification of 8" 3um BiCMOS wafer fab process at Analog Devices, Limerick, Ireland.

AD7871JNZ

PRODUCTION

AD7871JPZ

PRODUCTION

AD7871JPZ-REEL

PRODUCTION

AD7871KPZ

PRODUCTION

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