Datasheet > DAC7642

DAC7642

更新时间： 2024-11-30 22:54:31

品牌	Logo	应用领域
BB		转换器
页数	文件大小	规格书
22页	804K
描述
16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER

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DAC7642 数据手册

DAC7642

DAC7643

DAC7642

SBAS233 – DECEMBER 2001

16-Bit, Dual Voltage Output

DIGITAL-TO-ANALOG CONVERTER

DESCRIPTION

FEATURES

ꢀ LOW POWER: 4mW

The DAC7642 and DAC7643 are dual channel, 16-bit, volt-

age output Digital-to-Analog Converters (DACs) which pro-

vide 15-bit monotonic performance over the specified tem-

perature range. They accept 16-bit parallel input data, have

double-buffered DAC input logic (allowing simultaneous up-

date of all DACs), and provide a readback mode of the

internal input registers. Programmable asynchronous reset

clears all registers to a mid-scale code of 8000_H(DAC7642)

or to a zero-scale code of 0000_H(DAC7643). These DACs

can operate from a single +5V supply or from +5V and –5V

supplies, providing an output range of 0 to +2.5V or –2.5V to

+2.5V, respectively.

ꢀ UNIPOLAR OR BIPOLAR OPERATION

ꢀ SETTLING TIME: 10µs to 0.003% FSR

ꢀ 15-BIT LINEARITY AND MONOTONICITY:

–40°C to +85°C

ꢀ RESET TO MID-SCALE (DAC7642) OR

ZERO-SCALE (DAC7643)

ꢀ DATA READBACK

ꢀ DOUBLE-BUFFERED DATA INPUTS

APPLICATIONS

ꢀ PROCESS CONTROL

Low power and small size per DAC make the DAC7642 and

DAC7643 ideal for automatic test equipment, DAC-per-pin

programmers, data acquisition systems, and closed-loop

servo-control. The DAC7642 and DAC7643 are available in

a LQFP-32 package and specified over a –40°C to +85°C

temperature range.

ꢀ CLOSED-LOOP SERVO-CONTROL

ꢀ MOTOR CONTROL

ꢀ DATA ACQUISITION SYSTEMS

ꢀ DAC-PER-PIN PROGRAMMERS

V_REF

Sense

V_REF

V_REFH

V_CC

V_SS

DAC7642

DAC7643

I/O

Buffer

Input

DAC

DATA I/O

DAC A

V_OUT

Sense

Input

DAC

DAC B

V_OUT

DACSEL

V_OUT

Control

Logic

R/W

GND

RST

LOADDACS

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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与DAC7642相关器件

型号	品牌	获取价格	描述	数据表
DAC7642VFBR	BB	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7642VFBR	TI	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7642VFBRG4	TI	获取价格	PARALLEL, WORD INPUT LOADING, 8us SETTLING TIME, 16-BIT DAC, PQFP32, GREEN, PLASTIC, LQFP-
DAC7642VFBT	BB	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7642VFBT	TI	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7642VFBTG4	TI	获取价格	PARALLEL, WORD INPUT LOADING, 8us SETTLING TIME, 16-BIT DAC, PQFP32, GREEN, PLASTIC, LQFP-
DAC7642VFR	TI	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7642VFR	BB	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER
DAC7642VFRG4	TI	获取价格	PARALLEL, WORD INPUT LOADING, 8us SETTLING TIME, 16-BIT DAC, PQFP32, GREEN, PLASTIC, LQFP-
DAC7642VFT	TI	获取价格	16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER

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