SPT7850SIS datasheet(5/13 Pages) CADEKA

Part #	SPT7850SIS

Description	10-BIT, 20 MSPS, 140 mW A/D CONVERTER

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Manufacturer	CADEKA [Cadeka Microcircuits LLC.]

Direct Link	http://www.cadeka.com

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5 / 13 page

5

6/15/01

SPT7850

Figure 1A – Timing Diagram 1

Figure 1B – Timing Diagram 2

Table I – Timing Parameters

DESCRIPTION

PARAMETERS

MIN

TYP

MAX

UNITS

Conversion Time

tC

2*tCLK

ns

Clock Period

tCLK

25

ns

Clock High Duty Cycle

tCH

40

50

60

%

Clock Low Duty Cycle

tCL

40

50

60

%

Clock to Output Delay (15 pF Load)

tOD

15

20

25

ns

DAV Pulse Width

tDAV

tCLK

ns

Clock to DAV

tS

16

21

26

ns

4

ANALOG IN

CLOCK IN

SAMPLING CLOCK

(Internal)

DIGITAL OUT

DATA VALID

12345678910

11

12

13

14

15

16

17

VALID

INVALID

5

6

7

1

2

3

8

9

10

11

DATA

VALID

DATA

OUTPUT

CLOCK

IN

Data 0

Data 1

Data 2

tC

tCL

tCH

tCLK

tOD

tDAV

tS

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SPT7850SIS Datasheet(PDF) 5 Page - Cadeka Microcircuits LLC.

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