TDA8777_3

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

Preliminary data sheet

Rev. 03 — 15 August 2005

3 of 18

Philips Semiconductors

TDA8777

Triple 10-bit video DAC, up to 330 MHz sample frequency

6.

Block diagram

Fig 1.

Block diagram

mle290

10

10

10

23-14

11

24

12

36

34

33

10

10

10

CURRENT/VOLTAGE REFERENCE

DAC CONTROL MODULE

35

37

COMP

Vref + Iref

Vref + Iref

Vref + Iref

RSET

SYNC

INSERT

sync

SYNC

10-BIT DAC

BLANKING

INSERT

10

10

10

TRIPLE

MULTI-

PLEXER

38

25

26

PSAVE

VREF

blue digital

inputs

(bits B9 to B0)

10-1

green digital

inputs

(bits G9 to G0)

48-39

13

29

red digital

inputs

(bits R9 to R0)

TDA8777

OUTG

OUTG

OUTB

OUTB

BLANK

CLK

32

31

28

27

10-BIT DAC

10-BIT DAC

POR

OUTR

OUTR

30