LTC1296CI データシートの表示（PDF） - Linear Technology

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LTC1296CI

Single Chip 12-Bit Data Acquisition System

Linear Technology 

LTC1293/LTC1294/LTC1296

BLOCK DIAGRA (Pin numbers refer to LTC1294)

DVCC 20

AVCC 19

15

DIN

INPUT

SHIFT

REGISTER

1

CH0

2

CH1

CH2 3

CH3 4

5

CH4

CH5 6

CH6 7

CH7 8

9

COM

ANALOG

INPUT MUX

SAMPLE

AND

HOLD

COMP

12-BIT

CAPACITIVE

DAC

10

11

DGND

V–

12

AGND

13

REF–

14

REF+

18

CLK

OUTPUT

SHIFT

REGISTER

16

DOUT

12-BIT

SAR

CONTROL

AND

TIMING

17

CS

LTC1293 BD

TEST CIRCUITS

Load Circuit for tdDO, tr and tf

1.4V

DOUT

3kΩ

100pF

TEST POINT

LTC1293 TC02

Load Circuit for tenSSO and tdisSSO

1.4V

SSO

LT1296

3kΩ

100pF

TEST POINT

LTC1293 TC08

Load Circuit for tdis and ten

TEST POINT

DOUT

3k

100pF

5V tdis WAVEFORM 2, ten

tdis WAVEFORM 1

LTC1293 TC05

On and Off Channel Leakage Current

5V

ION

A

ON CHANNEL

IOFF

A

OFF

CHANNELS

POLARITY

LTC1293 TC1

8

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