Datasheet > LTC1456

LTC1456

更新时间： 2023-12-20 18:45:08

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
8页	157K
描述
具清零输入的 12 位轨至轨微功率 DAC

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中文翻译

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数据手册

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LTC1456 数据手册

LTC1456

12-Bit Rail-to-Rail

Micropower DAC

with Clear Input

DESCRIPTION

FEATURES

■

SO-8 Package

The LTC^®1456 is a complete single supply, rail-to-rail

voltageoutput, 12-bitdigital-to-analogconverter(DAC)in

an SO-8 package. It includes a rail-to-rail output buffer

amplifier and an easy-to-use 3-wire cascadable serial

interface. The LTC1456 includes a CLR pin that asynchro-

nously clears the DAC to zero scale.

■

12-Bit Resolution

■

Buffered True Rail-to-Rail Voltage Output

■

Asynchronous Clear Input

Built-In Reference

■

Schmitt Trigger On Clock Input Allows Direct

Optocoupler Interface

The LTC1456 has an internal 2.048V reference and a full-

scale output of 4.095V. It operates on a 4.5V to 5.5V

supply, dissipating 2.2mW.

■

Power-On Reset Clears DAC to 0V

■

3-Wire Cascadable Serial Interface

■

Maximum DNL Error: 0.5LSB

Low Cost

■

The low power supply current and the space saving SO-8

package make the LTC1456 ideal for battery-powered

applications.

APPLICATIONS

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

■

Digital Calibration

■

Industrial Process Control

■

Automatic Test Equipment

Cellular Telephones

■

TYPICAL APPLICATION

Functional Block Diagram: 12-Bit Rail-to-Rail DAC with Clear Input

Differential Nonlinearity

vs Input Code

4.5V TO 5.5V

0.5

2.048V

CLK

–

OUT

RAIL-TO-RAIL

VOLTAGE

OUTPUT

12-BIT

SHIFT

REG

µP

CS/LD

12-BIT

DAC

AND

DAC

LATCH

OUT

CLR

POWER-ON

RESET

OTHER

DACS

–0.5

512 1024 1536 2048 2560 3072 3584 4095

CODE

GND

1456 TA01

1456 TA02

12 3 4 5 6 7 8

中文翻译

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