Datasheet > DAC7742

DAC7742

更新时间： 2024-11-06 11:07:51

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
22页	705K
描述
具有内部基准电压的 16 位、单通道、并行接口

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替代型号

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DAC7742 数据手册

DAC7742

SBAS256A – DECEMBER 2002 – AUGUST 2007

16-Bit, Single Channel

DIGITAL-TO-ANALOG CONVERTER

With Internal Reference and Parallel Interface

DESCRIPTION

FEATURES

ꢀ LOW POWER: 150mW Maximum

The DAC7742 is a 16-bit Digital-to-Analog Converter (DAC)

that provides 16 bits of monotonic performance over the

specified operating temperature range and offers a +10V,

low-drift internal reference. Designed for automatic test equip-

ment and industrial process control applications, the DAC7742

output swing can be configured in a ±10V, ±5V, or +10V

range. The flexibility of the output configuration allows the

DAC7742 to provide both unipolar and bipolar operation by

pin strapping. The DAC7742 includes a high-speed output

amplifier with a maximum settling time of 5µs to ±0.003%

FSR for a 20V full-scale change and only consumes 100mW

(typical) of power.

ꢀ +10V INTERNAL REFERENCE

ꢀ UNIPOLAR OR BIPOLAR OPERATION

ꢀ SETTLING TIME: 5µs to ±0.003% FSR

ꢀ 16-BIT MONOTINICITY, –40°C TO +85°C

ꢀ ±10V, ±5V OR +10V CONFIGURABLE VOLTAGE

OUTPUT

ꢀ RESET TO MIN-SCALE OR MID-SCALE

ꢀ DOUBLE-BUFFERED DATA INPUT

ꢀ INPUT REGISTER DATA READBACK

ꢀ SMALL LQFP-48 PACKAGE

The DAC7742 features a standard 16-bit parallel interface with

double buffering to allow asynchronous updates of the analog

output, and data read-back to support data integrity verification

prior to an update. A user-programmable reset control allows

the DAC output to reset to min-scale (FFFF_H) or mid-scale

(7FFF_H) overriding the DAC register values. The DAC7742 is

available in an LQFP-48 package and three performance

grades specified to operate from –40°C to +85°C.

ꢀ SUPPORTS TRANSPARENT DATA INPUT

OPERATION

APPLICATIONS

ꢀ PROCESS CONTROL

ꢀ ATE PIN ELECTRONICS

ꢀ CLOSED-LOOP SERVO CONTROL

ꢀꢀMOTOR CONTROL

ꢀꢀDATA ACQUISITION SYSTEMS

REF_OUTREF_IN

V_DDV_SSV_CC

REFADJ

V_REF

R_OFFSET

Buffer

RFB2

REFEN

+10V

Reference

R/W

Control

Logic

RFB1

RST

RSTSEL

Input

DAC

I/O

Buffer

Data I/O

DAC

V_OUT

AGND

DGND

LDAC

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

12 3 4 5 6 7...22

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DAC7742 替代型号

型号	品牌	替代类型	描述	数据表
PCM55	TI	功能相似	DIGITAL-TO-ANALOG CONVERTERS
PCM54	TI	功能相似	DIGITAL-TO-ANALOG CONVERTERS

与DAC7742相关器件

型号	品牌	获取价格	描述	数据表
DAC7742_15	TI	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742Y/250	BB	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742Y/250	TI	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742Y/2K	BB	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742Y/2K	TI	获取价格	PARALLEL, WORD INPUT LOADING, 3us SETTLING TIME, 16-BIT DAC, PQFP48, GREEN, PLASTIC, LQFP-
DAC7742Y/2KG4	TI	获取价格	PARALLEL, WORD INPUT LOADING, 3us SETTLING TIME, 16-BIT DAC, PQFP48, GREEN, PLASTIC, LQFP-
DAC7742YB/250	BB	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742YB/250	TI	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742YB/2K	BB	获取价格	16-Bit, Single Channel DIGITAL-TO-ANALOG CONVERTER With Internal Reference and Parallel In
DAC7742YB/2KG4	TI	获取价格	PARALLEL, WORD INPUT LOADING, 3us SETTLING TIME, 16-BIT DAC, PQFP48, GREEN, PLASTIC, LQFP-

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