LTC1853CFW-TRPBF datasheet(9/24 Pages) LINER

Part #	LTC1853CFW-TRPBF

Description	8-Channel, 10-Bit/12-Bit, 400ksps, Low Power, Sampling ADCs

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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9 / 24 page

LTC1852/LTC1853

9

18523fa

PIN FUNCTIONS

NAME

DESCRIPTION

MIN

NOMINAL (V)

TYP

MAX

ABSOLUTE

MIN

MAXIMUM (M)

MAX

1 to 8

CH0 to CH7

Analog Inputs

0

VDD

–0.3

VDD + 0.3

9

COM

Analog Input Common Pin

0

VDD

–0.3

VDD + 0.3

10

REFOUT

2.5V Reference Output

2.5

–0.3

VDD + 0.3

11

REFIN

Reference Buffer Input

0

2.5

VDD

–0.3

VDD + 0.3

12

REFCOMP

Reference Buffer Output

4.096

–0.3

VDD + 0.3

13

GND

Ground

0

–0.3

VDD + 0.3

14

VDD

Positive Supply

2.7

5

5.5

–0.3

6

15

VDD

Positive Supply

2.7

5

5.5

–0.3

6

16

GND

Ground

0

–0.3

VDD + 0.3

17

DIFFOUT/S6

Single-Ended/Differential Output

OGND

0VDD

–0.3

VDD + 0.3

18

A2OUT/S5

MUX Address Output

OGND

0VDD

–0.3

VDD + 0.3

19

A1OUT/S4

MUX Address Output

OGND

0VDD

–0.3

VDD + 0.3

20

A0OUT/S3

MUX Address Output

OGND

0VDD

–0.3

VDD + 0.3

21

D9/S2 (LTC1852)

Data Output

OGND

0VDD

–0.3

VDD + 0.3

21

D11/S2 (LTC1853)

Data Output

OGND

0VDD

–0.3

VDD + 0.3

22

D8/S1 (LTC1852)

Data Output

OGND

0VDD

–0.3

VDD + 0.3

22

D10/S1 (LTC1853)

Data Output

OGND

0VDD

–0.3

VDD + 0.3

23

D7/S0 (LTC1852)

Data Output

OGND

0VDD

–0.3

VDD + 0.3

23

D9/S0 (LTC1853)

Data Output

OGND

0VDD

–0.3

VDD + 0.3

24 to 30

D6 to D0 (LTC1852)

Data Outputs

OGND

0VDD

–0.3

VDD + 0.3

24 to 32

D8 to D0 (LTC1853)

Data Outputs

OGND

0VDD

–0.3

VDD + 0.3

31 to 32

NC (LTC1852)

No Connect

33

BUSY

Converter Busy Output

OGND

0VDD

–0.3

VDD + 0.3

34

OGND

Output Ground

0

–0.3

VDD + 0.3

35

OVDD

Output Supply

2.7

5

5.5

–0.3

6

36

M0

Mode Select Pin 0

0

VDD

–0.3

6

37

PGA

Gain Select Input

0

VDD

–0.3

6

38

UNI/BIP

Unipolar/Bipolar Input

0

VDD

–0.3

6

39 to 41

A0 to A2

MUX Address Inputs

0

VDD

–0.3

6

42

DIFF

Single-Ended/Differential Input

0

VDD

–0.3

6

43

WR

Write Input, Active Low

0

VDD

–0.3

6

44

RD

Read Input, Active Low

0

VDD

–0.3

6

45

CONVST

Conversion Start Input, Active Low

0

VDD

–0.3

6

46

CS

Chip Select Input, Active Low

0

VDD

–0.3

6

47

SHDN

Shutdown Input, Active Low

0

VDD

–0.3

6

48

M1

Mode Select Pin 1

0

VDD

–0.3

6

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