TDA8785 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA8785

8-bit high-speed analog-to-digital converter with gain and offset controls

Philips Electronics 

Philips Semiconductors

8-bit high-speed analog-to-digital converter

with gain and offset controls

BLOCK DIAGRAM

Product specification

TDA8785

handbook, full pagewidth

VCCA1 VCCA2 AGND1 AGND2

1

2

3

4

B

VRB

DEC2

Vref

DEC1

OF

6 7 36 5 35 34

REGULATORS

Vi(p)

Vi(n)

VSOFF(p)

VSOFF(n)

VFOFF(p)

VFOFF(n)

VFSAD(p)

VFSAD(n)

VDACO(p)

VDACO(n)

VFSDAC(p)

VFSDAC(n)

43

44

37

38

OFFSET

AMPLIFIER

42

41

39

40

150 Ω

9

8

10

11

DAC

VCCA

150 Ω

8 12 to 19

DA7 to DA0

GAIN

ADC

8

TTL

26 to 33

OUTPUTS 8

AD0 to AD7

TDA8785

25 VCCO

24

OGND

CLOCK

DRIVER

20

CLKDAC

CLOCK

DRIVER

22

23

21 MBG681

CLKADC VCCD DGND

Fig.1 Block diagram.

1997 Dec 18

3

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