TDA8772HSLASH3 datasheet(4/20 Pages) PHILIPS

4 / 20 page

1997 Mar 06

Philips Semiconductors

Product speciﬁcation

Triple 8-bit video digital-to-analog

converter

TDA8772

BLOCK DIAGRAM

Fig.1 Block diagram.

handbook, full pagewidth

MBB661 - 2

RESISTOR

STRING

MSB

DECODER

LSB

DECODER

RESISTOR

STRING

MSB

DECODER

LSB

DECODER

RESISTOR

STRING

MSB

DECODER

LSB

DECODER

31–28

27–24

BANDGAP

REFERENCE

CONTROL

16–13

20–17

4–1

8–5

37,42

9,33

10,32

35,39,43

V DDA

DDD

reference

current input

RED

analog output

GREEN

analog output

BLUE

analog output

VSSA

SSD

reference voltage

decoupling input

BLANK

control input

SYNC

control input

BLUE

digital inputs

(bits B4 to B7)

BLUE

digital inputs

(bits B0 to B3)

GREEN

digital inputs

(bits G4 to G7)

GREEN

digital inputs

(bits G0 to G3)

RED

digital inputs

(bits R4 to R7)

RED

digital inputs

(bits R0 to R3)

TDA8772

RED

clock input

GREEN

clock input

BLUE

clock input

reference current

input for internal

reference

)

REF

)

REFA

)

REFB

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