LTC1446LIS8#TRPBF

更新时间： 2024-11-20 13:09:43

品牌	Logo	应用领域
凌特 - Linear		转换器数模转换器光电二极管
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12页	168K
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LTC1446LIS8#TRPBF 数据手册

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LTC1446/LTC1446L

Dual 12-Bit Rail-to-Rail

Micropower DACs in SO-8

DESCRIPTIO

FEATURES

■

Dual DACs with 12-Bit Resolution

TheLTC 1446/LTC1446Laredual12-bitdigital-to-analog

■

SO-8 Package

converters (DACs) available in an SO-8 package. They are

complete with a rail-to-rail voltage output amplifier, an

internal reference and an easy-to-use 3-wire cascadable

serial interface.

■

Rail-to-Rail Output Amplifiers

■

Internal Reference

Maximum DNL Error: 0.5LSB

3V Operation (LTC1446L): I_CC= 650µA Typ

5V Operation (LTC1446): I_CC= 1000µA Typ

Settling Time: 14µs to ±0.5LSB

Power-On Reset Clears DACs to 0V

3-Wire Cascadable Serial Interface with 500kHz

Update Rate

Schmitt Trigger On Input Allows Direct

Optocoupler Interface

Low Cost

■

The LTC1446 has an internal reference and a full-scale

output of 4.095V. It operates from a single 4.5V to 5.5V

supply.

■

The LTC1446L has an internal reference and a full-scale

output of 2.5V. It operates from a single 2.7V to 5.5V

supply.

■

The low power supply current makes the LTC1446 family

ideal for battery-powered applications. These DACs are

available in space saving 8-pin SO and PDIP packages and

require no external components for operation.

■

APPLICATIO S

■

Digital Calibration

■

Industrial Process Control

■

Automatic Test Equipment

Cellular Telephones

■

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

TYPICAL APPLICATION

Functional Block Diagram: Dual 12-Bit Rail-to-Rail DAC

LTC1446: 5V

LTC1446L: 3V TO 5V

Differential Nonlinearity vs Input Code

0.5

–

0.4

OUT B

0.3

0.2

12-BIT

DAC B

µP

CLK

0.1

24-BIT

RAIL-TO-RAIL

VOLTAGE

OUTPUT

SHIFT

REG

CS/LD

AND

–0.1

–0.2

–0.3

–0.4

–0.5

DAC

LATCH

–

OUT A

12-BIT

DAC A

OUT

512 1024 1536 2048 2560 3072 3584 4095

CODE

POWER-ON

RESET

1446/46L G13

GND

1446/1446L TA01

12 3 4 5 6 7...12

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LTC1446LIS8#TRPBF 替代型号

型号	品牌	替代类型	描述	数据表
LTC1446LIS8#PBF	Linear	完全替代	LTC1446 - Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8; Package: SO; Pins: 8; Temperat

与LTC1446LIS8#TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC1448	Linear	获取价格	Dual 12-Bit Rail-to-Rail Micropower DAC
LTC1448	ADI	获取价格	双通道、12 位、轨至轨、微功率 DAC
LTC1448C	Linear	获取价格	Dual 12-Bit Rail-to-Rail Micropower DAC
LTC1448CN8	Linear	获取价格	Dual 12-Bit Rail-to-Rail Micropower DAC
LTC1448CN8#PBF	Linear	获取价格	LTC1448 - Dual 12-Bit Rail-to-Rail Micropower DAC; Package: PDIP; Pins: 8; Temperature Ran
LTC1448CS8	Linear	获取价格	Dual 12-Bit Rail-to-Rail Micropower DAC
LTC1448CS8#TR	Linear	获取价格	LTC1448 - Dual 12-Bit Rail-to-Rail Micropower DAC; Package: SO; Pins: 8; Temperature Range
LTC1448CS8#TRPBF	Linear	获取价格	LTC1448 - Dual 12-Bit Rail-to-Rail Micropower DAC; Package: SO; Pins: 8; Temperature Range
LTC1448I	Linear	获取价格	Dual 12-Bit Rail-to-Rail Micropower DAC
LTC1448IN8	Linear	获取价格	Dual 12-Bit Rail-to-Rail Micropower DAC

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