LTC1257C(RevA) 查看數據表（PDF） - Linear Technology

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LTC1257C
(Rev.:RevA)

Complete Single Supply 12-Bit Voltage Output DAC in SO-8

Linear Technology 

BLOCK DIAGRA

LTC1257

LOGIC

SUPPLY

5V REGULATOR

CLK

DIN

LOAD

REF

12-BIT

SHIFT REGISTER

12

12-BIT LATCH

12

2.048V REFERENCE

DAC

+

–

VCC

DOUT

GND

VOUT

1257 BD

WU

W

TI I G DIAGRA

t1

t2

CLK

t4

DIN

B11

MSB

B10

LOAD

DOUT

B11

(PREVIOUS WORD)

t8

B10

t6

t7

t3

B1

B0

LSB

t5

B1

B11

B0

CURRENT WORD

1257 TD

7

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