Datasheet > AD74412R

AD74412R

更新时间： 2024-11-10 14:57:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
66页	1182K
描述
四通道、软件可配置输入/输出

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AD74412R 数据手册

Quad-Channel,

Software Configurable Input/Output

AD74412R

Data Sheet

FEATURES

GENERAL DESCRIPTION

Quad-channel software configurable input/output circuit

Screw terminals protected to 40 V

Line protectors to block power from the screw terminals to

supplies

Six configurable modes

Voltage input

Current input

Voltage output

Current output

Digital input

RTD measurement

Internal 16-bit, Σ-∆ ADC with optional 50 Hz and 60 Hz

rejection

The AD74412R is a quad-channel software configurable

input/output solution for building and process control

applications. The AD74412R contains functionality for analog

output, analog input, digital input, and resistance temperature

detector (RTD) measurements integrated into a single chip

solution with an interface compatible with the serial port

interface (SPI).

The device features a 16-bit, Σ-∆ analog-to-digital converter

(ADC) and four configurable, 13-bit digital-to-analog converters

(DACs) to provide four configurable input/output channels and a

suite of diagnostic functions.

There are several modes related to the AD74412R. These modes

are voltage output, current output, voltage input, externally

powered current input, loop powered current input, external RTD

measurement, digital input logic, and loop powered digital input.

13-bit monotonic DACs

Charge pump for true zero voltage output

Internal temperature sensor, 5°C accuracy

On-chip diagnostics including open circuit and short-circuit

detection

Robust architecture

SPI

The AD74412R contains a high accuracy 2.5 V internal

reference to drive the DACs and the ADC.

COMPANION PRODUCTS

External Reference: ADR4525

Power: ADP1720

Temperature range: −40°C to +85°C

64-lead LFCSP

PRODUCT HIGHLIGHTS

APPLICATIONS

1. Quad-Channel, Software Configurable Channels.

2. Built In Diagnostics and Alert Features.

3. Robust Architecture. Surge tested to 1 kV, per the

IEC61000-4-5 standard, on the input/output terminals

with unshielded cables.

Building control systems

Process control

Industrial automation

Rev. A

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Tel: 781.329.4700

Technical Support

www.analog.com

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与AD74412R相关器件

型号	品牌	获取价格	描述	数据表
AD74413R	ADI	获取价格	软件可配置的四通道输入/输出
AD7441BRM	ADI	获取价格	Pseudo Differential, 1MSPS, 12- & 10-Bit ADCs in 8-lead SOT-23
AD7441BRM-REEL7	ROCHESTER	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-187AA, MSOP-8
AD7441BRMZ	ADI	获取价格	Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23
AD7441BRT	ADI	获取价格	Pseudo Differential, 1MSPS, 12- & 10-Bit ADCs in 8-lead SOT-23
AD7441BRT-R2	ADI	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MO-178BA, SOT-23, 8 PIN
AD7441BRTZ-R2	ADI	获取价格	Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23
AD7441BRTZ-REEL7	ADI	获取价格	Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23
AD7443BRM	ADI	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MICRO, SOIC-8, Analog t
AD7443BRT	ADI	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, SOT-23, 8 PIN, Analog t

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