AD7545

更新时间： 2024-09-30 22:53:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
8页	197K
描述
CMOS 12-Bit Buffered Multiplying DAC

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中文翻译

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数据手册

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AD7545 数据手册

CMOS 12-Bit

Buffered Multiplying DAC

AD7545

FEATURES

FUNCTIONAL BLOCK DIAGRAM

12-Bit Resolution

Low Gain TC: 2 ppm/؇C typ

Fast TTL Compatible Data Latches

Single +5 V to +15 V Supply

Small 20-Lead 0.3" DIP and 20-Terminal Surface Mount

Packages

AD7545

OUT 1

AGND

12-BIT

MULTIPLYING DAC

REF

Latch Free (Schottky Protection Diode Not Required)

Low Cost

Ideal for Battery Operated Equipment

WR 17

INPUT DATA LATCHES

DGND

DB11–DB0

(PINS 4–15)

GENERAL DESCRIPTION

The AD7545 is particularly suitable for single supply operation

and applications with wide temperature variations.

The AD7545 is a monolithic 12-bit CMOS multiplying DAC

with onboard data latches. It is loaded by a single 12-bit wide

word and directly interfaces to most 12- and 16-bit bus systems.

Data is loaded into the input latches under the control of the CS

and WR inputs; tying these control inputs low makes the input

latches transparent, allowing direct unbuffered operation of the

DAC.

The AD7545 can be used with any supply voltage from +5 V to

+15 V. With CMOS logic levels at the inputs the device dissi-

pates less than 0.5 mW for V_DD= +5 V.

PIN CONFIGURATIONS

LCCC

DIP

PLCC

OUT 1

AGND

DGND

DB11 (MSB)

DB10

REF

20 19

1 20 19

PIN 1

IDENTIFIER

DB11 (MSB)

DB10

DB11 (MSB)

17 WR

DB10 5

DB9 6

DB8 7

DB7 8

AD7545

TOP VIEW

(Not to Scale)

AD7545

TOP VIEW

(Not to Scale)

AD7545

TOP VIEW

(Not to Scale)

DB9

DB0 (MSB)

DB1

DB9

DB0 (LSB)

DB8

15 DB0 (LSB)

14 DB1

DB8

14 DB1

DB7

DB2

DB7

10 11 12 13

DB6

DB3

DB4

DB5

REV. A

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/329-4700

Fax: 617/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7 8

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