TDA8771A 데이터 시트보기 (PDF) - Philips Electronics

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TDA8771A

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

RED

4 12 to 9

digital inputs

(bits R0 to R3)

V DDA

V DDD

32,35,39,43

7,27

4

clock input

31

TDA8771A

LSB

DECODER

Product specification

TDA8771A

1

reference

current input

(IREF )

RED

digital inputs

(bits R4 to R7)

48

5 to 3

4

MSB

DECODER

RESISTOR

STRING

GREEN

digital inputs

4 20 to 17

(bits G0 to G3)

4

LSB

DECODER

44

RED

analog output

GREEN

digital inputs

4 16 to 13

(bits G4 to G7)

4

MSB

DECODER

RESISTOR

STRING

BLUE

digital inputs

(bits B0 to B3)

4 30,29

26,25

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

1996 Jan 25

34, 37, 38,41

BANDGAP

REFERENCE

33

2,42 6,28

not

connected

reference voltage

decoupling input

(VREF )

V SSA

V SSD

Fig.1 Block diagram.

MBH039

3

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