SPT7938 datasheet(10/10 Pages) CADEKA

Part #	SPT7938

Description	12-BIT, 40 MSPS, 170 mW A/D CONVERTER

Download	10 Pages

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Manufacturer	CADEKA [Cadeka Microcircuits LLC.]

Direct Link	http://www.cadeka.com

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10 / 10 page

10

5/24/00

SPT7938

PIN ASSIGNMENTS

PIN FUNCTIONS

Name

Function

DOVDD

Digital Output Driver Supply

D0–D11

Data Output, Bits 0 – Bit 11

OTR

Out of Range

DOGND

Digital Output Driver Ground

DGND

Digital Ground

CLK

Input Clock

DVDD1

Digital VDD

AVDD

Analog VDD

AGND

Analog Ground

VINR

Analog Input Return

VIN

Analog Input, Full Scale from VRLS to VRHS

RGND

Analog Ground Shield (Junction Isolated)

VRHS

Reference High Sense

VRHF

Reference High Force (VRHF≤AVDD)

VRLS

Reference Low Sense

VRLF

Reference Low Force

EN

Output Enable (Active Low)

PART NUMBER

TEMPERATURE RANGE

PACKAGE TYPE

SPT7938SIR

–40 to +85

°C

28L SSOP

ORDERING INFORMATION

128

2

27

326

4

25

524

6

23

722

8

21

9

20

10

19

11

18

12

17

13

16

14

15

DOVDD

D0 (LSB)

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11 (MSB)

OTR

DOGND

DGND

CLK

DVDD1

AVDD

AGND

VINR

VIN

RGND

VRHS

VRHF

VRLF

VRLS

28L SSOP

EN

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SPT7938 Datasheet(PDF) 10 Page - Cadeka Microcircuits LLC.

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