AD7400YRWZ

更新时间： 2024-02-23 21:04:01

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	442K
描述
Isolated Sigma-Delta Modulator

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中文翻译

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数据手册
替代型号

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AD7400YRWZ 数据手册

Isolated Sigma-Delta Modulator

AD7400

FEATURES

GENERAꢀ DESCRIPTION

10 MHz clock rate

Second-order modulator

16 bits no missing codes

2 ꢀSB INꢀ typical at 16 bits

3.5 μV/°C maximum offset drift

On-board digital isolator

On-board reference

ꢀow power operation: 18 mA maximum at 5.25 V

−40°C to +105°C operating range

16-lead SOIC package

AD7401, external clock version

Safety and regulatory approvals

Uꢀ recognition

The AD7400¹is a second-order, Σ-Δ modulator that converts

an analog input signal into a high speed, 1-bit data stream with

on-chip digital isolation based on Analog Devices, Inc.

iCoupler® technology. The AD7400 operates from a 5 V power

supply and accepts a differential input signal of ±±00 mV

(±ꢀ±0 mV full scale). The analog input is continuously sampled

by the analog modulator, eliminating the need for external

sample-and-hold circuitry. The input information is contained

in the output stream as a density of ones with a data rate of

10 MHz. The original information can be reconstructed with an

appropriate digital filter. The serial I/O can use a 5 V or a ꢀ V

supply (V_DD±).

The serial interface is digitally isolated. High speed CMOS,

combined with monolithic air core transformer technology,

means the on-chip isolation provides outstanding performance

characteristics superior to alternatives such as optocoupler

devices. The part contains an on-chip reference. The AD7400 is

offered in a 16-lead SOIC and has an operating temperature

range of −40°C to +105°C.

3750 V rms for 1 minute per Uꢀ 1577

CSA Component Acceptance Notice #5A

VDE Certificate of Conformity

DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01

DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000

V_IORM= 891 V peak

APPꢀICATIONS

¹Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents

pending.

AC motor controls

Data acquisition systems

A/D + opto-isolator replacements

FUNCTIONAꢀ BꢀOCK DIAGRAM

DD2

DD1

AD7400

T/H

Σ-Δ ADC

–

UPDATE

WATCHDOG

ENCODE

DECODE

BUF

MDAT

REF

CONTROL LOGIC

UPDATE

WATCHDOG

ENCODE

MCLKOUT

DECODE

GND

Figure 1.

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...20

中文翻译

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AD7400YRWZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7400YRWZ-REEL7	ADI	完全替代	Isolated Sigma-Delta Modulator
AD7400AYRWZ	ADI	类似代替	Isolated Sigma-Delta Modulator

与AD7400YRWZ相关器件

型号	品牌	获取价格	描述	数据表
AD7400YRWZ-REEL	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7400YRWZ-REEL7	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401_0612	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401A	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401AYRWZ	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401AYRWZ-REEL	ADI	获取价格	IC,CONVERTER, OTHER/SPECIAL/MISCELLANEOUS,CMOS,SOP,16PIN
AD7401AYRWZ-REEL7	ADI	获取价格	IC,CONVERTER, OTHER/SPECIAL/MISCELLANEOUS,CMOS,SOP,16PIN
AD7401AYRWZ-RL	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401BRW	ADI	获取价格	Isolated Sigma-Delta Modulator

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