TEA6825 Просмотр технического описания (PDF) - Philips Electronics
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TEA6825 Datasheet PDF : 48 Pages
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Philips Semiconductors
In Car Entertainment (ICE) car radio
Preliminary specification
TEA6823T; TEA6825T
handbook, full pagewidth
TOKO
P392BC-1977Z
L13
4.3 kΩ
1
2
Vref RDS
33 kΩ
AMSTOP
100 kΩ
R51
68 µF
33 kΩ
39
43 48
10 nF 220 kΩ
3.3 nF
220 nF
68 pF
82 kΩ
100 kΩ
R41
47
45
220 nF
27 kΩ
22 nF
25
A
B
AFC
MPX
BUFFER
MUTE
SOFT
LOW
PASS
FILTER
PHASE
DETECTOR
VCO
AM
C
DELOG
AMPLIFIER
DIGITAL LOGIC
PHASE
DETECTOR
BLOCK
D
820 kΩ
PASS
HIGH
60 kHz
TEA6823T
TEA6825T
PILOT
PILOT
CANCELLER DETECTOR
f ref
38 kHz
19 kHz
26
100 nF
31
E
6.8 nF
AVERAGE
DETECTOR
radio
mute
-
F
PEAK
DETECTOR
tuning
mute
MPX-
DECODER
AND
Vint1
+
44
30
OUTRIGHT
470 nF
MATRIX
+
41
AVERAGE
DETECTOR
PEAK
DETECTOR
CURRENT
G
AM SWITCH
HIGH
PASS
FILTER
Vint2
-
OUTLEFT
mono
radio
mute
32
6.8 nF
PULSE
FORMER
INTERFERENCE
DETECTOR
Vint1
Vint2
-
+
56 100 nF
22 µH
47 µF
SUPPLY 4
470 nF
VCC
+8.5 V
+8.5 V
H
TEMPERATURE THRESHOLD
COMPENSATION CONTROL
MODULATION
DETECTOR
NOISE
DETECTOR
12
120 kΩ
5
VCCA
+5 V
50
3
46 16 49 15 17 18
220
level nF
RC
3.3 MΩ
100 100
nF nF
2.2 MΩ
100 nF
VCC
8.5 V
1 MΩ
1.2 MΩ
33 kΩ
12 kΩ
51
100 nF
21 52
33 µF
10 Ω
Vref VDDD
+5 V
100 nF
47 µF
MHA709
1998 Mar 24
Fig.23 ICE application diagram (continued from Fig.22).
41
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