AD7871

更新时间： 2024-09-11 22:53:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	323K
描述
LC2MOS Complete 14-Bit, Sampling ADCs

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AD7871 数据手册

LC MOS

Complete 14-Bit, Sampling ADCs

AD7871/AD7872

FEATURES

FUNCTIO NAL BLO CK D IAGRAMS

Com plete Monolithic 14-Bit ADC

2s Com plem ent Coding

Parallel, Byte and Serial Digital Interface

80 dB SNR at 10 kHz Input Frequency

57 ns Data Access Tim e

Low Pow er—50 m W typ

83 kSPS Throughput Rate

16-Lead SOIC (AD7872)

APPLICATIONS

Digital Signal Processing

High Speed Modem s

Speech Recognition and Synthesis

Spectrum Analysis

DSP Servo Control

GENERAL D ESCRIP TIO N

T he AD7871 and AD7872 are fast, complete, 14-bit analog-to-

digital converters. T hey 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.

T he AD7871 offers a choice of three data output formats: a sin-

gle, parallel, 14-bit word; two 8-bit bytes or a 14-bit serial data

stream. T he AD7872 is a serial output device only. T he two

parts are capable of interfacing to all modern microprocessors

and digital signal processors.

T he 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.

In addition to the traditional dc accuracy specifications, the

AD7871 and AD7872 are also fully specified for dynamic perfor-

mance parameters including distortion and signal-to-noise ratio.

Both devices are fabricated in Analog Devices’ LC²MOS mixed

technology process. The AD7871 is available in 28-pin plastic DIP

and PLCC packages. The AD7872 is available in a 16-pin plastic

DIP, hermetic DIP and 16-lead SOIC packages.

P RO D UCT H IGH LIGH TS

1. Complete 14-Bit ADC on a Chip.

2. Dynamic Specifications for DSP Users.

3. Low Power.

REV. D

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700

Fax: 617/ 326-8703

World Wide Web Site: http:/ / w w w .analog.com

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与AD7871相关器件

型号	品牌	获取价格	描述	数据表
AD7871_15	ADI	获取价格	LC MOS Complete 14-Bit, Sampling ADCs
AD7871AQ	ETC	获取价格	Analog-to-Digital Converter， 14-Bit
AD7871BQ	ETC	获取价格	Analog-to-Digital Converter， 14-Bit
AD7871JN	ADI	获取价格	LC2MOS Complete 14-Bit, Sampling ADCs
AD7871JN	ROCHESTER	获取价格	1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PDIP28, PLASTIC, DIP-28
AD7871JNZ	ROCHESTER	获取价格	1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PDIP28, PLASTIC, DIP-28
AD7871JNZ	ADI	获取价格	暂无描述
AD7871JP	ADI	获取价格	LC2MOS Complete 14-Bit, Sampling ADCs
AD7871JP	ROCHESTER	获取价格	1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQCC28, PLASTIC, LCC-28
AD7871JPZ	ADI	获取价格	CMOS, Complete 14-Bit, Sampling ADC with Three Data Output Formats

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