TEA6880 Philips Semiconductors, TEA6880 Datasheet - Page 6

• Manufacturer Part Number: TEA6880
• Description: Up-level Car radio Analog Signal Processor CASP
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 May 08
handbook, full pagewidth
Up-level Car radio Analog Signal
Processor (CASP)
C
D
E
G
H
A
B
F
( 8.5 V)
blanker flag
AM noise
V CC
DETECTOR
INTERNAL
AVERAGE
FORMER
SUPPLY
POWER
PULSE
WBAM
(3-BIT)
(3-BIT)
8
PEAK
ADC
USN
ADC
BUS
BUS
AM
TO
42 41
diagnostic
330
pF
chime
input
&
9
100 nF
40
10
nF
10
3.3
k
39
68
nF
220
nF
BUS
BUS
BUS
11
4.7 k
38
220
nF
43 k
CHIME ADDER
LOUDNESS
VOLUME 2
VOLUME 1
(G = 20 dB)
BUS
TREBLE
Fig.2 Block diagram (continued from Fig.1).
FRONT
SWITCH
left front
BASS
BAND
BAND
LEFT
LEFT
LEFT
LEFT
LEFT
output
680 pF
&
BUS
37
12
220 nF
C KVL
BUS
VOLUME 2
BUS
REAR
LEFT
left rear
13
output
TEA6880H
BLEND CONTROL
INTERPOLATION
ANALOG STEP
right
36
B
14
ASI/ABC
BUS
AUDIO
control
220nF
(ABC)
(ASI)
35
address
15 nF
select
REAR SEAT AUDIO SELECTOR
6
SWITCH
AUDIO
15
REAR
SEAT
BUS
SOURCE SELECTOR
left
B
16
220
nF
&
right rear
output
VOLUME 2
17
RIGHT
REAR
C ELFI
22 F
34
BUS
BUS
right
LOUDNESS
VOLUME 1
C
TREBLE
BUS
18
RIGHT
RIGHT
RIGHT
RIGHT
BAND
BAND
BASS
1 F
CHIME ADDER
common
(G = 20 dB)
VOLUME 2
right front
SWITCH
FRONT
C
RIGHT
output
19
1 F
&
BUS
33
BUS
BUS
BUS
32
31
30
29
28
27
26
25
24
23
22
21
20
MHB428
100 nF
220 nF
220 nF
C VHS
47 F
10 nF
C KVR
68 nF
Product specification
TEA6880H
220 nF
220 nF
100 nF
100 nF
43 k
C KIR
3.3 k
4.7 k
680 nF
220 nF
C KIL
1 F
A left
A right
symmetric
C left
D input
mono