AD872AJD

更新时间： 2024-11-04 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
20页	333K
描述
Complete 12-Bit 10 MSPS Monolithic A/D Converter

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AD872AJD 数据手册

Complete 12-Bit 10 MSPS

Monolithic A/D Converter

AD872A

FEATURES

FUNCTIO NAL BLO CK D IAGRAM

Monolithic 12-Bit 10 MSPS A/ D Converter

Low Noise: 0.26 LSB RMS Referred-to-Input

No Missing Codes Guaranteed

AGND AV

*DRV

DGND

*DRGND

AD872A

Differential Nonlinearity Error: 0.5 LSB

Signal-to-Noise and Distortion Ratio: 68 dB

Spurious-Free Dynam ic Range: 75 dB

Pow er Dissipation: 1.03 W

Com plete: On-Chip Track-and-Hold Am plifier and

Voltage Reference

Tw os Com plem ent Binary Output Data

Out-of-Range Indicator

28-Lead Ceram ic DIP or 44-Term inal Leadless Chip

Carrier Package

INA

T/H

A/D

INB

DAC

A/D

CLOCK

CORRECTION LOGIC

REF IN

REF OUT

REF GND

OUTPUT BUFFERS

+2.5V

REFERENCE

OTR

*MSB

BIT2–BIT12

*OEN

MSB

*ONLY AVAILABLE ON 44-TERMINAL SURFACE MOUNT PACKAGE

P RO D UCT D ESCRIP TIO N

T he AD872A is fabricated on Analog Devices’ ABCMOS-l

process that utilizes high speed bipolar and CMOS transistors

on a single chip.

T he AD872A is a monolithic 12-bit, 10 MSPS analog-to-digital

converter with an on-chip, high performance track-and-hold

amplifier and voltage reference. T he AD872A uses a multistage

differential pipelined architecture with error correction logic to

provide 12-bit accuracy at 10 MSPS data rates and guarantees

no missing codes over the full operating temperature range. T he

AD872A is a redesigned version of the AD872 which has been

optimized for lower noise. T he AD872A is pin compatible with

the AD872, allowing the parts to be used interchangeably as sys-

tem requirements change.

T he AD872A is packaged in a 28-lead ceramic DIP and a 44-

terminal leadless ceramic surface mount package (LCC). Opera-

tion is specified from 0°C to +70°C and –55°C to +125°C.

P RO D UCT H IGH LIGH TS

T he AD872A offers a complete single-chip sampling, 12-bit

10 MSPS analog-to-digital conversion function in a 28-lead DIP

or 44-terminal LCC.

T he low noise input track-and-hold (T /H) of the AD872A is

ideally suited for high-end imaging applications. In addition, the

T /H’s high input impedance and fast settling characteristics al-

low the AD872A to easily interface with multiplexed systems

that switch multiple signals through a single A/D converter. T he

dynamic performance of the T /H also renders the AD872A suit-

able for sampling single channel inputs at frequencies up to and

beyond the Nyquist rate. T he AD872A provides both reference

output and reference input pins, allowing the onboard reference

to serve as a system reference. An external reference can also be

chosen to suit the dc accuracy and temperature drift require-

ments of the application. A single clock input is used to control

all internal conversion cycles. T he digital output data is pre-

sented in twos complement binary output format. An out-of-

range signal indicates an overflow condition, and can be used

with the most significant bit to determine low or high overflow.

Low Noise—T he AD872A features 0.26 LSB rms referred to-

input noise.

Low Power—T he AD872A at 1.03 W consumes a fraction of the

power of presently available hybrids.

On-Chip Track-and-Hold (T/H)—T he low noise, high imped-

ance T /H input eliminates the need for external buffers and can

be configured for single-ended or differential inputs.

Ease of Use—T he AD872A is complete with T /H and voltage

reference and is pin-compatible with the AD872.

Out of Range (OT R)—T he OT R output bit indicates when the

input signal is beyond the AD872A’s input range.

REV. A

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: 781/ 329-4700

Fax: 781/ 326-8703

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

12 3 4 5 6 7...20

中文翻译

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AD872AJD 替代型号

型号	品牌	替代类型	描述	数据表
AD872JD	ADI	功能相似	IC 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CDIP28, SIDE BRAZED, CERAMIC, DIP-
AD872ASD/883B	ADI	功能相似	IC 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CDIP28, SIDE BRAZED, DIP-28, Analo

与AD872AJD相关器件

型号	品牌	获取价格	描述	数据表
AD872AJE	ADI	获取价格	Complete 12-Bit 10 MSPS Monolithic A/D Converter
AD872ASD	ADI	获取价格	Complete 12-Bit 10 MSPS Monolithic A/D Converter
AD872ASD/883B	ADI	获取价格	IC 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CDIP28, SIDE BRAZED, DIP-28, Analo
AD872ASE	ADI	获取价格	Complete 12-Bit 10 MSPS Monolithic A/D Converter
AD872ASE/883B	ETC	获取价格	Analog-to-Digital Converter， 12-Bit
AD872JD	ADI	获取价格	IC 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CDIP28, SIDE BRAZED, CERAMIC, DIP-
AD872JE	ADI	获取价格	IC 1-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, CQCC44, LCC-44, Analog to Digital Conver
AD872SD	ADI	获取价格	暂无描述
AD872SD/883	ADI	获取价格	IC 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CDIP28, SIDE BRAZED, CERAMIC, DIP-
AD872SD/883B	ETC	获取价格	Analog-to-Digital Converter， 12-Bit

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