LTC7545

更新时间： 2024-11-24 22:51:47

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	210K
描述
Improved Industry Standard Parallel 12-Bit Multiplying DAC

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LTC7545 数据手册

LTC7545A

Improved Industry Standard

Parallel 12-Bit Multiplying DAC

DESCRIPTIO

EATURE

Improved Direct Replacement for AD7545A

and AD7545

DNL and INL Over Temperature: ±0.5LSB

Gain Error: ±1LSB Maximum

4-Quadrant Multiplication

Single 5V or 15V Supply

Low Power Consumption

Low Cost

The LTC^®7545A is a 12-bit multiplying digital-to-analog

converter (DAC) with a microprocessor compatible paral-

lelinput.Itisasuperiorpincompatiblereplacementforthe

industry standard AD7545A and AD7545. Improvements

include better accuracy, better stability over temperature

and supply variations and lower sensitivity to output

amplifier offset.

■

This very versatile DAC is useful for 2-quadrant and

4-quadrant multiplying, programmable gain and filtering

and single supply noninverting voltage output operation.

O U

PPLICATI

Parts are available in 20-pin PDIP and SO packages and

commercial and industrial temperature grades.

, LTC and LT are registered trademarks of Linear Technology Corporation.

■

Process Control and Industrial Automation

Software Controlled Gain Adjustment

Digitally Controlled Filter and Power Supplies

Automatic Test Equipment

TYPICAL APPLICATI

2-Quadrant Multiplying DAC Has Less Than

0.5LSB (Typ) Total Unadjusted Error

Integral Nonlinearity Over Temperature

1.0

0.1µF

0.5

OUT1

33pF

= 85°C

= 25°C

REF

–

LT^®1097

OUT

–0.5

–1.0

LTC7545A

4–15

AGND

DGND

= –40°C

7545A TA01

512

1536 2048 2560 3072

3584

4095

1024

DIGITAL INPUT CODE

7545A TA02

12 3 4 5 6 7 8

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