LTC1458ISW#TR

更新时间： 2024-02-29 20:00:17

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	252K
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中文翻译

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数据手册
替代型号

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LTC1458ISW#TR 数据手册

LTC1458/LTC1458L

Quad 12-Bit Rail-to-Rail

Micropower DACs

DESCRIPTION

FEATURES

The LTC^®1458/LTC1458L are complete single supply,

quad rail-to-rail voltage output, 12-bit digital-to-analog

converters(DACs)inSO-28andSSOP-28packages. They

includeanoutputbufferamplifierwithvariablegain(×1or

×2)andaneasy-to-use3-wirecascadableserialinterface.

■

12-Bit Resolution

■

Buffered True Rail-to-Rail Voltage Output

■

5V Operation, I_CC: 1.1mA Typ (LTC1458)

3V Operation, I_CC: 800µA Typ (LTC1458L)

■

Built-In Reference: 2.048V (LTC1458)

1.220V (LTC1458L)

The LTC1458 has an onboard reference of 2.048V and a

full-scale output of 4.095V in a ×2 gain configuration. It

operates from a single 4.5V to 5.5V supply dissipating

only 5.5mW (I_CC= 1.1mA typ).

■

CLR Pin

■

Power-On Reset

■

SSOP-28 Package

■

3-Wire Cascadable Serial Interface

Maximum DNL Error: 0.5LSB

■

The LTC1458L has an onboard 1.22V reference and a full-

scale output of 2.5V in a×2 gain configuration. It operates

from a single supply of 2.7V to 5.5V dissipating 2.4mW.

Low Cost

APPLICATIONS

Excellent DNL, low supply current and a wide range of

built-in functions allow these parts to be used in a host of

applications when flexibility, power and single supply

operation are important.

■

Digital Calibration

■

Industrial Process Control

Automatic Test Equipment

Low Power Systems

■

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

TYPICAL APPLICATION

Daisy-Chained Control Outputs

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

Differential Nonlinearity

FROM µP

2.048V (LTC1458)

1.22V (LTC1458L)

5V (LTC1458)

3V TO 5V (LTC1458L)

vs Input Code

0.5

0.4

REFOUT

CS/LD

CLK

REFHI C

REFHI B

0.3

0.2

0.1

OUT C

OUT B

DAC C

DAC B

DAC A

X1/X2 C

REFLO C

X1/X2 B

REFLO B

48-BIT

–0.1

–0.2

–0.3

–0.4

–0.5

SHIFT REGISTER

AND

REFHI D

REFHI A

DAC REGISTER

OUT A

OUT D

DAC D

X1/X2 A

REFLO A

X1/X2 D

REFLO D

512 1024 1536

2048

2560 4095

3072 3584

CODE

1458 G09

OUT

CLR

1458 BD01

12 3 4 5 6 7...12

中文翻译

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LTC1458ISW#TR 替代型号

型号	品牌	替代类型	描述	数据表
LTC1458ISW#PBF	Linear	完全替代	暂无描述
LTC1458CSW#PBF	Linear	完全替代	LTC1458 - Quad 12-Bit Rail-to-Rail Micropower DACs; Package: SO; Pins: 28; Temperature Ran
LTC1458ISW	Linear	完全替代	Quad 12-Bit Rail-to-RailvMicropower DACs

与LTC1458ISW#TR相关器件

型号	品牌	获取价格	描述	数据表
LTC1458ISW#TRPBF	Linear	获取价格	暂无描述
LTC1458L	Linear	获取价格	Quad 12-Bit Rail-to-Rail Micropower DACs
LTC1458L_15	Linear	获取价格	Quad 12-Bit Rail-to-Rail Micropower DACs
LTC1458LC	Linear	获取价格	Quad 12-Bit Rail-to-Rail Micropower DACs
LTC1458LCG	Linear	获取价格	Quad 12-Bit Rail-to-Rail Micropower DACs
LTC1458LCG#PBF	Linear	获取价格	LTC1458 - Quad 12-Bit Rail-to-Rail Micropower DACs; Package: SSOP; Pins: 28; Temperature R
LTC1458LCG#TR	Linear	获取价格	暂无描述
LTC1458LCG#TRPBF	Linear	获取价格	LTC1458 - Quad 12-Bit Rail-to-Rail Micropower DACs; Package: SSOP; Pins: 28; Temperature R
LTC1458LCSW	Linear	获取价格	Quad 12-Bit Rail-to-Rail Micropower DACs
LTC1458LCSW#PBF	Linear	获取价格	LTC1458 - Quad 12-Bit Rail-to-Rail Micropower DACs; Package: SO; Pins: 28; Temperature Ran

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