TDA9875A Просмотр технического описания (PDF) - Philips Electronics

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Компоненты Описание

производитель

TDA9875A

Digital TV Sound Processor (DTVSP)

Philips Electronics 

Philips Semiconductors

Digital TV Sound Processor (DTVSP)

Product specification

TDA9875A

4 BLOCK DIAGRAM

handbook, full pagewidth

P1

P2

ADDR1

ADDR2

SCL

SDA

9 (1)

20 (12)

3 (59)

13 (5)

4 (60)

5 (61)

I2C-BUS

INTERFACE

SIF2

10 (2)

SIF1

12 (4)

INPUT SWITCH

AGC, ADC

IDENTIFICATION

FM (AM)

DEMODULATION

NICAM

DEMODULATION

XTALI

XTALO

SYSCLK

18 (10)

19 (11)

21 (13)

CLOCK

A2/SATELLITE

DECODER

NICAM

DECODER

PEAK

DETECTION

LEVEL

ADJUST

LEVEL

ADJUST

SDI1

SDI2

SDO1

SDO2

SCK

WS

27 (19)

26 (18)

25 (17)

24 (16)

22 (14)

23 (15)

I2S-BUS

INTERFACE

VDDD1

VDDD2

VSSD1

VSSD2

VSSD3

VSSD4

CRESET

TEST1

TEST2

15 (7)

64 (56)

14 (6)

49 (41)

35 (27)

17 (9)

16 (8)

DIGITAL

SUPPLY

TDA9875A

(TDA9875AH)

28 (20)

30 (22)

TEST

DIGITAL

SELECT

ADC (2)

DAC (2)

AUDIO PROCESSING

DAC (2)

DAC (2)

(53) (52)

61 60

(50) (49)

58 57

MOL MOR

The pin numbers given in parenthesis refer to the TDA9875AH version.

AUXOL AUXOR

Fig.1 Block diagram.

SUPPLY

SOUND IF

(SIF)

ANALOG

CROSSBAR

SWITCH

SUPPLY

SCART,

DAC,

ADC

(63) 7

(62) 6

(3) 11

(64) 8

VDEC1

VSSA1

Vref1

Iref

(58) 2

(57) 1

NICAM

PCLK

(25) 33

(26) 34

(28) 36

(29) 37

(23) 31

(24) 32

(21) 29

(39) 47

(40) 48

(43) 51

(44) 52

(55) 63

(54) 62

SCIR1

SCIL1

SCIR2

SCIL2

EXTIR

EXTIL

MONOIN

SCOR1

SCOL1

SCOR2

SCOL2

LOR

LOL

(33) 41

i.c.

(34) 42

i.c.

(36) 44

i.c.

(37) 45

i.c.

(46) 54

(47) 55

PCAPR

PCAPL

(51) 59

(30) 38

(31) 39

(32) 40

(38) 46

(45) 53

(35) 43

(48) 56

(42) 50

VDDA

VDEC2

Vref(p)

Vref(n)

Vref2

Vref3

VSSA2

VSSA3

VSSA4

MHB598

1999 Dec 20

6

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