Texas Instruments ADS8402 User Manual

Page 29

Advertising
background image

1

2

3

4

56

A

B

C

D

6

5

4

3

2

1

D

C

B

A

ti

12500 T

I Boulevar

d.

Dallas

, T

exas

75243

TI

TLE:

SHEET:

O

F:

FI

LE:

S

IZ

E:

REV:

Draw

n By

:

Engi

neer:

Revis

ion His

tor

y

REV

E

CN Num

ber

Approved

DOCUM

ENT CONTROL

#

:

13

B

lockD

ia

gr

am

.s

ch

A

D

A

TE:

22-O

ct

-2003

A

D

S8402/

A

D

S8412EV

M

B

lock D

iag

ra

m

6446998

-IN

+IN

EXT

_REF

B_CS

B_RD

B_CO

NVST

B_BYTE

B_RESET

BUSY

DB[1

5...0

]

A

nal

og

-t

o-D

ig

ita

l C

onv

er

te

r

ADC Da

ta

Bu

s

A

nal

og

Input

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

P1

B_

DB[1

5...0

]

DB[1

5...0

]

CS

RD

CONVS

T

BYTE

RESET

B_BUSY

BUSY

B_CS

B_RD

B_CO

NVST

B_BYTE

B_RE

SET

+AVCC

+VA

-VA

+BVDD

DC_CS

A0

A1

A2

INTc

Po

w

er &

D

ig

ita

l B

uffe

r

J2

B

_D

B

[15.

..0]

DB[15..0]

B_

DB0

B_

DB1

B_

DB2

B_

DB3

B_

DB4

B_

DB5

B_

DB6

B_

DB7

B_

DB8

B_

DB9

B_

DB1

0

B_

DB1

1

B_

DB1

2

B_

DB1

3

B_

DB1

4

B_

DB1

5

J4

+B

VDD

TP11

TP14

TP13

TP12

CS

RD

CONVST

BYTE

RESET

B_

BUSY

ADC Co

nt

ro

l

1

2

3

4

5

6

7

8

9 11

10 12

J3

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

11

11

12

12

13

13

14

14

15

15

16

16

17

17

18

18

19

19

20

20

21

21

22

22

23

23

24

24

25

25

26

26

27

27

28

28

29

29

30

30

31

31

32

32

P3

TP9

TP10

1

2

3

4

5

6

7

8

9

10

J1

+V

A

-V

A

+5V

D

AGND

+5V

A

DGND

+3.

3V

D

W1

DC_

C

S

A0 A1 A2

IN

Tc

L

ijo

y P

hilip

os

e

L

ijo

y P

hilip

os

e

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

P2

Pa

ra

lle

l C

on

tro

l

Advertising
This manual is related to the following products: