AD7724AST-REEL

更新时间： 2024-09-17 12:34:19

品牌	Logo	应用领域
亚德诺 - ADI		转换器模数转换器
页数	文件大小	规格书
16页	272K
描述
Dual CMOS - Modulators

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中文翻译

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数据手册
替代型号

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AD7724AST-REEL 数据手册

Dual CMOS ⌺-⌬ Modulators

AD7724

FEATURES

FUNCTIONAL BLOCK DIAGRAM

13 MHz Master Clock Frequency

0 V to +2.5 V or ؎1.25 V Input Range

Single Bit Output Stream

90 dB Dynamic Range

REF1 REF2A

REF2B

2.5V

REFERENCE

Power Supplies

AVDD, DVDD: 5 V ؎ 5%

DVDD1: 3 V ؎ 5%

Logic Outputs 3 V/5 V Compatible

On-Chip 2.5 V Voltage Reference

48-Lead LQFP

AD7724

AVIN(+)

AVIN(–)

⌺-⌬

MODULATOR A

ADATA

SCLK

BVIN(+)

BVIN(–)

⌺-⌬

MODULATOR B

BDATA

XTAL OFF

XTAL1

CLOCK

CIRCUITRY

MZERO

XTAL2/MCLK

CONTROL

LOGIC

BIP

DVAL

STBY

RESET

DVDD

DVDD1

DGND

AVDD

AGND

GENERAL DESCRIPTION

This device consists of two seventh order sigma-delta modula-

tors. Each modulator converts its analog input signal into a high

speed 1-bit data stream. The part operates from a 5 V power

supply and accepts a differential input range of 0 V to +2.5 V or

1.25 V centered about a common-mode bias. The analog inputs

are continuously sampled by the analog modulators, eliminating

the need for external sample-and-hold circuitry. The input

information is contained in the output stream as a density of

ones. The original information can be digitally reconstructed

with an appropriate digital filter.

The part provides an accurate on-chip 2.5 V reference for each

modulator. A reference input/output function is provided to

allow either the internal reference or an external system refer-

ence to be used as the reference source for the modulator.

The device is offered in a 48-lead LQFP package and designed

to operate from –40°C to +85°C.

REV. B

Information furnished by Analog Devices is believed to be accurate and

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

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

12 3 4 5 6 7...16

中文翻译

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AD7724AST-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD7724ASTZ-REEL	ADI	完全替代	Dual, 7th-Order, Sigma-Delta Modulator
AD7724AST	ADI	功能相似	Dual CMOS Modulators

与AD7724AST-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD7724ASTZ-REEL	ADI	获取价格	Dual, 7th-Order, Sigma-Delta Modulator
AD7724BS	ADI	获取价格	IC 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, QFP-44, Analog to
AD7725	ADI	获取价格	16-Bit 900 kSPS ADC with a Programmable Postprocessor
AD7725BS	ADI	获取价格	16-Bit 900 kSPS ADC with a Programmable Postprocessor
AD7725BS	ROCHESTER	获取价格	1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, MS-022-AB, MQFP-44
AD7725BS-REEL	ADI	获取价格	IC 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, MS-022-AB, MQFP-4
AD7725BS-REEL	ROCHESTER	获取价格	1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, MS-022-AB, MQFP-44
AD7725BSZ	ADI	获取价格	IC 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, MS-022-AB, MQFP-4
AD7725BSZ	ROCHESTER	获取价格	1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, MS-022-AB, MQFP-44
AD7729	ADI	获取价格	Dual Sigma-Delta ADC with Auxiliary DAC

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