DAC8248

更新时间： 2024-11-27 22:50:43

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	351K
描述
Dual 12-Bit 8-Bit Byte Double-Buffered CMOS D/A Converter

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DAC8248 数据手册

Dual 12-Bit (8-Bit Byte)

Double-Buffered CMOS D/A Converter

DAC8248

P IN CO NNECTIO NS

FEATURES

Tw o Matched 12-Bit DACs on One Chip

12-Bit Resolution w ith an 8-Bit Data Bus

Direct Interface w ith 8-Bit Microprocessors

Double-Buffered Digital Inputs

RESET to Zero Pin

24-P in 0.3" Cer dip (W Suffix),

24-P in Epoxy D IP (P Suffix),

24-P in SO L (S Suffix)

12-Bit Endpoint Linearity (؎1/ 2 LSB) Over Tem perature

؉5 V to ؉15 V Single Supply Operation

Latch-Up Resistant

Im proved ESD Resistance

Packaged in a Narrow 0.3" 24-Pin DIP and 0.3" 24-Pin

SOL Package

Available in Die Form

APPLICATIONS

Multichannel Microprocessor-Controlled System s

Robotics/ Process Control/ Autom ation

Autom atic Test Equipm ent

Program m able Attenuator, Pow er Supplies, Window

Com parators

Instrum entation Equipm ent

T he DAC8248’s double-buffered digital inputs allow both

DAC’s analog output to be updated simultaneously. T his is par-

ticularly useful in multiple DAC systems where a common

LDAC signal updates all DACs at the same time. A single

RESET pin resets both outputs to zero.

Battery Operated Equipm ent

GENERAL D ESCRIP TIO N

T he DAC8248’s monolithic construction offers excellent DAC-

to-DAC matching and tracking over the full operating tempera-

ture range. T he DAC consists of two thin-film R-2R resistor

ladder networks, two 12-bit, two 8-bit, and two 4-bit data regis-

ters, and control logic circuitry. Separate reference input and

feedback resistors are provided for each DAC. T he DAC8248

(continued on page 4)

T he DAC8248 is a dual 12-bit, double-buffered, CMOS digital-

to-analog converter. It has an 8-bit wide input data port that inter-

faces directly with 8-bit microprocessors. It loads a 12-bit word in

two bytes using a single control; it can accept either a least signifi-

cant byte or most significant byte first. For designs with a 12-bit or

16-bit wide data path, choose the DAC8222 or DAC8221.

FUNCTIO NAL BLO CK D IAGRAM

REV. B

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...16

中文翻译

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与DAC8248相关器件

型号	品牌	获取价格	描述	数据表
DAC8248AW	ADI	获取价格	Dual 12-Bit 8-Bit Byte Double-Buffered CMOS D/A Converter
DAC8248AW	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 12-BIT DAC, CDIP24, CERDIP-24
DAC8248AW/883C	ETC	获取价格	12-Bit Digital-to-Analog Converter
DAC8248EW	ADI	获取价格	Dual 12-Bit 8-Bit Byte Double-Buffered CMOS D/A Converter
DAC8248FP	ADI	获取价格	Dual 12-Bit 8-Bit Byte Double-Buffered CMOS D/A Converter
DAC8248FP	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 12-BIT DAC, PDIP24, PLASTIC, DIP-24
DAC8248FPZ	ROCHESTER	获取价格	PARALLEL, 8 BITS INPUT LOADING, 12-BIT DAC, PDIP24, PLASTIC, DIP-24
DAC8248FS	ADI	获取价格	Dual 12-Bit (8-Bit Byte) Double-Buffered CMOS D/A Converter
DAC8248FSZ-REEL	ADI	获取价格	Dual 12-Bit (8-Bit Byte) Double-Buffered CMOS D/A Converter
DAC8248FW	ADI	获取价格	Dual 12-Bit 8-Bit Byte Double-Buffered CMOS D/A Converter

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