Datasheet > AD7401AYRWZ-REEL7

AD7401AYRWZ-REEL7

更新时间： 2024-11-19 21:01:19

品牌	Logo	应用领域
亚德诺 - ADI		局域网光电二极管
页数	文件大小	规格书
18页	322K
描述
IC,CONVERTER, OTHER/SPECIAL/MISCELLANEOUS,CMOS,SOP,16PIN

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Isolated Sigma-Delta Modulator

Preliminary Technical Data

AD7401A

FEATURES

GENERAꢀ DESCRIPTION

20 MHz maximum external 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

The AD7401A¹is 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 AD7401A 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 up to

±0 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±).

On-board reference

ꢀow power operation: 20 mA maximum at 5.25 V

−40°C to +125°C operating range

16-lead SOIC package

AD7400A, internal clock version

Safety and regulatory approvals

Uꢀ recognition

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

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 AD7401A

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

range of −40°C to +1±5°C.

V_IORM= 891 V peak

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

pending.

APPꢀICATIONS

AC motor controls

Data acquisition systems

A/D + opto-isolator replacements

FUNCTIONAꢀ BꢀOCK DIAGRAM

DD2

DD1

AD7401

T/H

Σ-∆ ADC

–

UPDATE

WATCHDOG

ENCODE

DECODE

BUF

MDAT

REF

CONTROL LOGIC

WATCHDOG

UPDATE

DECODE

MCLKIN

ENCODE

GND

Figure 1.

Rev. PrA

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

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与AD7401AYRWZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD7401AYRWZ-RL	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401BRW	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401YRW	ADI	获取价格	暂无描述
AD7401YRW-REEL	ADI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO16, MS-013-AA, SOIC-16
AD7401YRW-REEL7	ADI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO16, MS-013-AA, SOIC-16
AD7401YRWZ	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401YRWZ-REEL	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7401YRWZ-REEL7	ADI	获取价格	Isolated Sigma-Delta Modulator
AD7402	ADI	获取价格	16-Bit, Isolated Sigma-Delta Modulator
AD7402-8BRIZ	ADI	获取价格	16-Bit, Isolated Sigma-Delta Modulator

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