TDA8764 查看數據表（PDF） - Philips Electronics

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TDA8764

10-bit high-speed low-power ADC with internal reference regulat

Philips Electronics 

Philips Semiconductors

10-bit high-speed low-power ADC with

internal reference regulator

Preliminary specification

TDA8764

PINNING

SYMBOL

CLK

TC

VCCA

AGND

DEC

VRB

VRM

VI

VRT

OE

VCCD2

DGND2

VCCO

OGND

GRAY

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

IR

DGND1

VCCD1

n.c.

PINS

SSOP28

LQFP32

DESCRIPTION

1

5

clock input

2

6

twos complement input (input active LOW)

3

7

analog supply voltage (+5 V)

4

8

analog ground

5

10

decoupling input

6

12

reference voltage BOTTOM input

7

13

reference voltage MIDDLE input

8

14

analog input voltage

9

15

reference voltage TOP input

10

16

output enable input (input active LOW)

11

17

digital supply voltage 2 (+5 V)

12

18

digital ground 2

13

19

supply voltage for output stages (2.7 to 3.6 V)

14

20

output ground

15

21

gray code input (input active HIGH)

16

22

data output; bit 0 (LSB)

17

23

data output; bit 1

18

24

data output; bit 2

19

25

data output; bit 3

20

26

data output; bit 4

21

27

data output; bit 5

22

28

data output; bit 6

23

29

data output; bit 7

24

30

data output; bit 8

25

31

data output; bit 9 (MSB)

26

2

in-range data output

27

3

digital ground 1

28

4

digital supply voltage 1 (+5 V)

−

1, 9, 11 and 32 not connected

1999 Jan 12

5

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