TEA6880 データシートの表示（PDF） - Philips Electronics

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TEA6880

Up-level Car radio Analog Signal Processor CASP

Philips Electronics 

Philips Semiconductors

Up-level Car radio Analog Signal

Processor (CASP)

Product specification

TEA6880H

handbook, full pagewidth

AM noise

blanker flag

330

pF

3.3

left front

kΩ

output

10 220 220

nF nF nF

left rear

output

15 nF

right rear

output

right front

output

42 41

40 39 38

37

A

36 35

B

AM

PULSE

FORMER

CHIME ADDER

(G = −20 dB)

&

SWITCH

BUS

BUS

BUS

BUS

34

33

BUS

CHIME ADDER

(G = −20 dB)

&

SWITCH

BUS

BUS

PEAK

TO

AVERAGE

DETECTOR

VOLUME 2

LEFT

FRONT

VOLUME 2

LEFT

REAR

REAR

SEAT

AUDIO

SWITCH

VOLUME 2

RIGHT

REAR

VOLUME 2

RIGHT

FRONT

C

WBAM

D

ADC

(3-BIT)

BUS

E

USN

ADC

(3-BIT)

BUS

INTERNAL

POWER

SUPPLY

F

G

BUS

BUS

LEFT

BASS

BAND

LEFT

TREBLE

BAND

BUS

VOLUME 1

LEFT

LOUDNESS

LEFT

BUS

ANALOG STEP

INTERPOLATION

(ASI)

RIGHT

BASS

BAND

RIGHT

TREBLE

BAND

32 220 nF 3.3 kΩ

BUS

31

220 nF

BUS

30

10 nF

AUDIO

BLEND CONTROL

(ABC)

ASI/ABC

control

TEA6880H

VOLUME 1

RIGHT

LOUDNESS

RIGHT

BUS

BUS

SOURCE SELECTOR

&

REAR SEAT AUDIO SELECTOR

BUS

29

68 nF

4.7 kΩ

43 kΩ

28

680 nF

27 CKVR

26

220 nF

CKIL

A left

25 100 nF 220 nF

24

CKIR

A right

23 CVHS 220 nF

47 µF

22

100 nF

D input

21

100 nF mono

symmetric

H

8

9

10

11

12

13 14

15

16

17

18

19

100 nF

68

nF

43 kΩ

CKVL

220nF

220

nF

CELFI

22 µF

1 µF

1 µF

VCC

(+8.5 V)

input

diagnostic

&

chime

680 pF 220 nF

4.7 kΩ

B address B

right select left

C

C

right common

20

MHB428

1 µF

C left

Fig.2 Block diagram (continued from Fig.1).

2000 May 08

6

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