SPT7853 데이터 시트보기 (PDF) - Cadeka Microcircuits LLC.

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SPT7853

TRIPLE 10-BIT, 30 MSPS A/D CONVERTER

Cadeka Microcircuits LLC. 

PIN ASSIGNMENTS

VRHS 1

VRLF 2

VRLS 3

VRLT 4

AGND 5

VINA 6

AGND 7

VINB 8

VDD 9

VCAL 10

AGND 11

VINC 12

AGND 13

39 CLK

38 DB9

37 DB8

36 DB7

35 DB6

34 DB5

33 DB4

32 DB3

31 DB2

30 DB1

29 DB0

28 DAV

27 OVDD

PIN FUNCTIONS

Name

Function

VINA

VINB

Analog input for channel A

Analog input for channel B

VINC

Analog input for channel C

DA0–DA9 CMOS-compatible digital output data for channel A

(+2.7 V to +5.0 voltage logic)

DB0–DB9 CMOS-compatible digital output data for channel B

(+2.7 V to +5.0 voltage logic)

DC0–DC9 CMOS-compatible digital output data for channel C

(+2.7 V to +5.0 voltage logic)

OEN

Output enable pin. (Low = enabled; High = high

impedance)

CLK

CMOS-compatible input clock (2x of sample rate).

VRHF

Input for top of reference ladder (force)

VRHS

Input for top of reference ladder (sense)

VRLF

Input for bottom of reference ladder (force)

VRLS

VDD

Input for bottom of reference ladder (sense)

Analog +5 V; Digital +5 V

OVDD

Output supply +2.7 / +5 V

AGND Analog ground

DGND Digital ground

VRLT

Tie to VRLS

VCAL

Calibration reference

DAV

Data available

ORDERING INFORMATION

PART NUMBER

SPT7853SCT

TEMPERATURE RANGE

0 to +70 °C

PACKAGE TYPE

52-Pin TQFP

SPT7853

10

12/14/99

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