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TDF8771A

Triple 8-bit video Digital-to-Analog Converter (DAC)

Philips Electronics 

Philips Semiconductors

Triple 8-bit video Digital-to-Analog

Converter (DAC)

BLOCK DIAGRAM

handbook, full pagewidth

VDDA

VDDD

clock input

32, 35, 39, 43

7, 27

31

RED

4 12 to 9

digital inputs

(bits R0 to R3)

4

TDF8771A

LSB

DECODER

Product specification

TDF8771A

1

reference

current input

(IREF)

RED

digital inputs

(bits R4 to R7)

48

5 to 3

MSB

4 DECODER

GREEN

digital inputs

(bits G0 to G3)

4 20 to 17

RESISTOR

STRING

4

LSB

DECODER

44

RED

analog output

GREEN

digital inputs

(bits G4 to G7)

4 16 to 13

4

MSB

DECODER

BLUE

digital inputs

(bits B0 to B3)

4 30, 29

26, 25

RESISTOR

STRING

4

LSB

DECODER

40

GREEN

analog output

BLUE

digital inputs

(bits B4 to B7)

4 24 to 21

4

MSB

DECODER

RESISTOR

STRING

36

BLUE

analog output

2003 Apr 29

34, 37, 38, 41

not

connected

BANDGAP

REFERENCE

33

reference voltage

decoupling input

(VREF)

2, 42 6, 28

VSSA VSSD

MGX351

Fig.1 Block diagram.

3

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