Datasheet > DAC7760

DAC7760

更新时间： 2024-11-05 12:54:03

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
6页	193K
描述
Single-Channel, 12- and 16-Bit Programmable Current Output and Voltage Output Digital-to-Analog Converter for 4-mA to 20-mA Current Loop Applications

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DAC7760 数据手册

DAC7760

DAC8760

www.ti.com

SBAS528 –JUNE 2013

Single-Channel, 12- and 16-Bit Programmable Current Output and Voltage Output

Digital-to-Analog Converter for 4-mA to 20-mA Current Loop Applications

Check for Samples: DAC7760, DAC8760

FEATURES

DESCRIPTION

The DAC7760 and DAC8760 are low-cost, precision,

fully-integrated, 12-bit and 16-bit digital-to-analog

•

Output Current: 4 mA to 20 mA;

0 mA to 20 mA; 0 mA to 24 mA

converters

requirements

(DACs)

designed

industrial

meet

the

•

Voltage Output:

process

control

–

0 V to 5 V; 0 V to 10 V; ±5 V; ±10 V

applications. The output can be programmed as a

current output with a range of 4 mA to 20 mA, 0 mA

to 20 mA, or 0 mA to 24 mA; or the output can be

programmed as a voltage output with a range of 0 V

to 5 V, 0 V to 10 V, ±5 V, or ±10 V, with a 10%

overrange.

0 V to 5.5 V; 0 V to 11 V; ±5.5 V; ±11 V

(10% Overrange)

•

±0.1% FSR Total Unadjusted Error (TUE) Max

DNL: ±1 LSB Max

Simultaneous Voltage and Current Output

Internal 5-V Reference (10 ppm/°C, max)

Internal 4.5-V Power-Supply Generator

HART^®Compatible Input

A user calibration can be performed on the zero and

gain registers to calibrate the device in the end

system. The output slew rate is also programmable

via register. These devices include a power-on-reset

function to ensure that the device powers up in a

known state (both I_OUTand V_OUTare disabled and in

a Hi-Z state). The CLR and CLR-SEL pins set the

voltage outputs to zero-scale or midscale and the

current output to the low end of the range if output is

enabled. These devices are implemented with a

HART signal interface to superimpose an external

HART signal on the current output and can operate

with either a single +10-V to +36-V supply, or dual

supplies of up to ±18 V. All versions are available in

Reliability Features:

–

CRC and Frame Error Check

Watchdog Timer

Thermal Alarm

Open, Compliance Alarm, Short Current

Limit

–

On-Chip Fault Alarm

•

Wide Temperature Range: –40°C to +125°C

both 6-mm

packages.

6-mm QFN-40 and TSSOP-24

6-mm × 6-mm QFN-40 and TSSOP-24

Packages

RELATED DEVICES

CURRENT AND

VOLTAGE OUTPUT

CURRENT

OUTPUT

APPLICATIONS

RESOLUTION (Bits)

DAC7760

DAC8760

DAC7750

DAC8750

•

4-mA to 20-mA Current Loops

Analog Output Modules

Programmable Logic Controllers (PLCs)

Sensors and Transducers

DV_DD

DV_DD-EN

AV_SS

AV_DD

REFOUT

REFIN

HART_IN

DAC7760

DAC8760

Internal

Current Output Stage

Reference

BOOST

I_OUT

LATCH

SCLK

DIN

DAC Input

Pre-

DAC

Conditioning

Current

ALARM

Source

Thermal

SDO

Shutdown

I_GAIN

I_ENABLE

ISET-R

User Calibration

Gain/Offset

Voltage Output Stage

+V_SENSE

CLR

V_OUT

Slew Rate

Control

CLR-SEL

V_GAIN

–V_SENSE

V_ENABLE

Watchdog

Timer

CMP

GND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

HART is a registered trademark of the HART Communication Foundation.

All other trademarks are the property of their respective owners.

PRODUCT PREVIEW information concerns products in the

formative or design phase of development. Characteristic data and

other specifications are design goals. Texas Instruments reserves

the right to change or discontinue these products without notice.

12 3 4 5 6

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DAC7760 替代型号

型号	品牌	替代类型	描述	数据表
DAC8750	TI	功能相似	适用于 4mA 至 20mA 电流环路应用的 16 位单通道可编程电流输出 DAC
DAC7750	TI	功能相似	适用于 4mA 至 20mA 电流环路应用的 12 位、单通道、可编程电流输出 DAC
DAC161P997	TI	功能相似	DAC161P997 Single-Wire 16-bit DAC for 4-20mA Loops

与DAC7760相关器件

型号	品牌	获取价格	描述	数据表
DAC7760IPWP	TI	获取价格	适用于 4mA 至 20mA 电流环路应用的 12 位、单通道、可编程电流/电压输出 DA
DAC7760IPWPR	TI	获取价格	适用于 4mA 至 20mA 电流环路应用的 12 位、单通道、可编程电流/电压输出 DA
DAC7760IRHAR	TI	获取价格	适用于 4mA 至 20mA 电流环路应用的 12 位、单通道、可编程电流/电压输出 DA
DAC7760IRHAT	TI	获取价格	适用于 4mA 至 20mA 电流环路应用的 12 位、单通道、可编程电流/电压输出 DA
DAC-78	ETC	获取价格
DAC7800	TI	获取价格	Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS
DAC7800	BB	获取价格	Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS
DAC7800/DAC7801/DAC7802	BB	获取价格	DAC7800. DAC7801. DAC7802 - Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONV
DAC7800_04	BB	获取价格	Dual Monolithic CMOS 12-Bit Multiplying DIGITAL-TO-ANALOG CONVERTERS
DAC7800D	BB	获取价格	D/A Converter, 2 Func, Serial Input Loading, 0.4us Settling Time,

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