LTC1744CFW 查看數據表（PDF） - Linear Technology

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LTC1744CFW

14-Bit, 50Msps ADC

Linear Technology 

LTC1744

WU

W

TI I G DIAGRA

N

ANALOG

INPUT

t3

ENCODE

t6

DATA

t5

CLKOUT

t2

t1

t4

DATA (N – 5)

DB13 TO DB0

t5

DATA (N – 4)

DB13 TO DB0

DATA (N – 3)

DB13 TO DB0

t7

OE

DATA

t8

DATA N

DB13 TO DB0, OF AND CLKOUT

1744 TD

W

FU CTIO AL BLOCK DIAGRA

AIN+

±1V

DIFFERENTIAL

ANALOG INPUT AIN–

SENSE

RANGE

SELECT

VCM

4.7µF

2.5VREF

S/H

CIRCUIT

BUFFER

14-BIT

PIPELINED ADC

CORRECTION

LOGIC AND

14

OUTPUT

SHIFT

LATCHES

REGISTER

OVDD

0.1µF

OF

•••

D13

D0

CLKOUT

OGND

0.5V TO 5V

0.1µF

DIFF AMP

VDD

5V

1µF

1µF

1µF

GND

CONTROL LOGIC

REFLB REFHA

4.7µF

0.1µF

1µF

REFLA REFHB ENC ENC MSBINV

0.1µF

1µF

DIFFERENTIAL

ENCODE INPUT

1744 BD

OE

1744f

10

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