LTC1458I データシートの表示（PDF） - Linear Technology

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LTC1458I

Quad 12-Bit Rail-to-Rail Micropower DACs

Linear Technology 

LTC1458/LTC1458L

BLOCK DIAGRA

X1/X2 C 1

VOUT C 2

CS/LD 3

DIN 4

REFHI C 5

GND 6

REFLO C 7

REFLO D 8

REFHI D 9

DOUT 10

CLK 11

NC 12

VOUT D 13

X1/X2 D 14

DAC C

DAC D

REFHI

REFLO

LD

12-BIT

DAC C

REGISTER

LD

12-BIT

DAC B

REGISTER

DAC B

POWER-ON

RESET

48-BIT SHIFT REGISTER

LTC1458: 2.048V

LTC1458L: 1.22V

12-BIT

DAC D

REGISTER

LD

12-BIT

DAC A

REGISTER

LD

DAC A

+

VOUT

–

X1/X2

28 VCC

27 X1/X2 B

26 VOUT B

25 CLR

24 REFHI B

23 GND

22 REFLO B

21 REFLO A

20 REFHI A

19 REFOUT

18 NC

17 VOUT A

16 X1/X2 A

15 VCC

1458 BD

6

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