AD5735 datasheet, PDF - EEWORLD Datasheet

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AD5735: Descriptionquad channel, 16-bit, serial input, 4-20ma & voltage output dac, dynamic power control; Categorysemiconductor Discrete semiconductor; File Size2MB，48 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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AD5735 Overview

quad channel, 16-bit, serial input, 4-20ma & voltage output dac, dynamic power control

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四通道、12-bit、串行输入、4-20

和电压输出DAC，提供动态电源控制

AD5735

产品特性

12-bit分辨率和单调性

用于热管理的动态电源控制

电流和电压输出引脚可连接到一个引脚

电流输出范围：0

mA至20 mA、4 mA至20 mA和0 mA至24 mA

总不可调整误差(TUE)：±0.1%(最大值)

电压输出范围(含20%超量程)：0

V至5 V、0 V至10 V、±5 V

和±10

总不可调整误差(TUE)：±0.09%(最大值)

用户可编程失调与增益

片内诊断

片内基准电压源：±10

ppm/°C(最大值)

温度范围：−40°C至+105°C

½可以最大限度地降½封装功耗。利用为实现片内功耗最

½而优化的DC-DC升压½换器，可以在7.4

V至29.5 V范围

内调节输出驱动器的电压，从而降½功耗。

AD5735采用多功½三线式串行接口，½够以最高30MHz

的时钟速率工½，并与标准SPI、QSPI™、MICROWIRE®、

DSP和微控制器接口标准兼容。该串行接口还提供可选的

CRC-8分组错误校验功½，以及用于监控接口活动的看门

狗定时器。

产品特色

用于热管理的动态电源控制

2. 12-bit性½

四通道

应用

过程控制

致动器控制

PLC(可编程控制器)

配套产品

产品系列：AD5755,

AD5755-1, AD5757, AD5737

外部基准电压源：ADR445、ADR02

数字隔离器：ADuM1410、ADuM1411

电源：ADP2302、ADP2303

欲了解更多配套产品，请访问AD5735产品页面

概述

AD5735是一款四通道、电压和电流输出DAC，采用−26.4

至+33V电源供电。在电流模式下，片内动态电源控制功

功½框图

5.0V

–15V

AGND

+15V

BOOST_x

DGND

LDAC

SCLK

SDIN

SYNC

SDO

CLEAR

FAULT

ALERT

AD1

AD0

DAC CHANNEL A

REFOUT

REFERENCE

REFIN

DAC CHANNEL B

DAC CHANNEL C

GAIN REG A

OFFSET REG A

DIGITAL

INTERFACE

DAC A

DC-TO-DC

CONVERTER

7.4V TO 29.5V

OUT_x

CURRENT AND

VOLTAGE

OUTPUT RANGE

SCALING

SET_x

SENSE_x

OUT_x

–V

SENSE_x

AD5735

DAC CHANNEL D

09961-100

NOTES

1. x = A, B, C, OR D.

图1.

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, nor for any infringements of patents or other

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

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

Trademarks and registered trademarks 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

www.analog.com

ADI中文版数据手册是英文版数据手册的译文，敬请谅解翻译中可½存在的语言组织或翻译错误，ADI不对翻译中存在的差异或由此产生的错误负责。如需确认任½词语的准确性，请参考ADI提供

的最新英文版数据手册。

AD5735

目½

特性....................................................................................................

应用....................................................................................................

概述....................................................................................................

产品特色

........................................................................................... 1

配套产品

........................................................................................... 1

功½框图

........................................................................................... 1

修订历史

........................................................................................... 2

详细功½框图

.................................................................................. 3

技术规格

........................................................................................... 4

交流工½特性

............................................................................. 7

时序特性......................................................................................

绝对最大额定值

........................................................................... 11

热阻

............................................................................................ 11

ESD警告..................................................................................... 11

引脚配½和功½描述

................................................................... 12

典型性½参数

................................................................................ 15

电压输出....................................................................................

电流输出....................................................................................

DC-DC½换器 .......................................................................... 23

基准电压源

............................................................................... 24

概述

............................................................................................ 25

术语..................................................................................................

工½原理

......................................................................................... 28

DAC架构.................................................................................... 28

AD5735的上电状态................................................................. 29

串行接口....................................................................................

传递½数....................................................................................

寄存器

............................................................................................. 30

½½输出....................................................................................

数据寄存器

............................................................................... 32

控制寄存器

............................................................................... 34

回读操½....................................................................................

产品特性

......................................................................................... 39

故障输出....................................................................................

电压输出短路保护

.................................................................. 39

数字失调和增益控制..............................................................

写入期间回读状态

.................................................................. 39

异步清零....................................................................................

分组差错校验

........................................................................... 40

看门狗定时器

........................................................................... 40

报警输出....................................................................................

内部基准电压源.......................................................................

外部电流设½电阻

.................................................................. 40

数字压摆率控制.......................................................................

动态功率控制

........................................................................... 41

DC-DC½换器 .......................................................................... 42

电源要求—静态

............................................................... 43

电源要求—压摆率...........................................................

应用信息

......................................................................................... 45

在同一引脚上输出电压和电流

............................................ 45

采用内部RSET的电流输出模式

........................................... 45

精密基准电压源的选择

......................................................... 45

驱动感性负½½

........................................................................... 46

瞬变电压保护

........................................................................... 46

微处理器接口

........................................................................... 46

布局指南....................................................................................

电流隔离接口

........................................................................... 47

外½尺寸....................................................................................

订购指南

......................................................................................... 48

修订历史

2012年5月—修订版A至修订版B

更改图2

............................................................................................. 3

2011年11月—修订版0至修订版A

为表1的输出特性和电流输出精度参数添加注释...................

更改“AD5735的上电状态”部分..................................................

更改“回读操½”部分....................................................................

2011年7月—修订版0：初始版

Rev. B | Page 2 of 48

AD5735 Related Products

	AD5735	AD5755BCPZx	AD5755
Description	quad channel, 16-bit, serial input, 4-20ma & voltage output dac, dynamic power control	SERIAL INPUT LOADING, 15 us SETTLING TIME, 16-BIT DAC, QCC64	quad channel, 16-bit, serial input, 4-20ma & voltage output dac, dynamic power control

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