TEA6825 查看數據表（PDF） - Philips Electronics
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TEA6825 Datasheet PDF : 48 Pages
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Philips Semiconductors
In Car Entertainment (ICE) car radio
APPLICATION INFORMATION
Preliminary specification
TEA6823T; TEA6825T
handbook, full pagewidth
2.2 MΩ
6.8 µH
220 nF
10 pF
47 Ω
220
µH
VCC
+8.5 V
33 µH
68 µH
10 nF 1 mH
100 nF
100 Ω
220 Ω
470 Ω
8.2 pF
22
270 pF
270 pF
18
47 µF
19
3.3 µH
100 nF 26
BF861A
AM/FM
BAND- 21
GAP
BAV
99
47 mH
388BN-1211Z
100 470 Ω
pF
330 nH
5.6 pF
26
22 pF 25
AM -
RF
AM/FM
AM
16
15
100 pF 27
1 µF 28
33 µF 29
220 kΩ
1 µF 33
AGC
TEA6810T
TEA6811T
LIMITER
:N2
1 kΩ
VCC1
SFP450
7PSAG-
68 Ω
1946D = S 1.5 nF
Vref
FMSTOP
LEVELADJ
10
nF
100 nF
2.7 330 Ω
kΩ
SFE10.7 TR5
SFE10.7
100 k Ω 100 kΩ
R39
R40
100
nF
100
nF
82 kΩ
BF840
390 Ω 27 Ω
22 23 33 34 42
37
36
38
330 Ω
AM/FM
FM-LIMITER
A
330 pF
35
SWITCH
AM-AMPLIFIER
B
100 nF 27
SFE
AM
LEVEL
DETECTOR
TR4
330
10.7
22
24
:2/:6
nF
pF P392BE-
2049AJ = S
IF-
28 AMPLIFIER
:N5
C
D
LEVEL
AMPLIFIER
22 Ω
100 nF
29
E
19
6.8
pF L1
10 pF
BB804
1 nF
E543SNAS
-04011
47 kΩ
10 pF
AGC
30 FM
31
AM/FM
BUFFER
2×ZS369SCS-
20
11 TR2
56
2144AJ
TR3 13
56
FM
pF
pF
12
14
10 nF
20 kHz
F
BUFFER
10 µF
22 Ω
32
PIN
DIODE
DRIVE
PROGRAMABLE
ISV
172
1 nF
1 µF 34
DIVIDER
1
Philips 9922 521 00098
or Daiwa AT - 49
61.5 MHz
8
9 OSCILLATOR
ADC ADC
LEVEL
MULTI-
PATH
22 Ω
47 kΩ
BUFFER
PHASE
6 100 nF
10
REFERENCE
IF-
VCC
+8.5 V
22 nF
38
100 µF
DETECTOR 7
FREQUENCY COUNTER
11
E543SNAS
-02010
1.8
L7
pF
1.8 pF
37 AM/FM
2.7 pF OSCILLATOR
35
2
BUS
4
CONTROL 5
SDA
SCL
BB135 4 to 10 pF
36
AM/FM
9
10 kΩ 10 kΩ
8
100
2.2 kΩ
10 kΩ
39 CHARGE LOCK
nF
100 nF
PUMP DETECTOR AM/FM
47 pF
12 nF
3.6 kΩ
3.3 nF
40
10 17 20 3
14
13
100 nF
6
I2C-BUS
G
7
TEA6823T
H
TEA6825T
54 53 55
40
330 330
VCC
10 kΩ
Ω
Ω
47 µF
+8.5 V
10 kΩ
220 nF
MHA708
IN-LOCK
3.3
µH
VCCA
VCCD
+5 V
+5 V
+8.5 V
SCL SDA
Time constant control: slow or fast attack and decay time constants for soft mute, mono/stereo and high-cut control can be chosen by connecting
pin 3 to GND or pin 21.
Fig.22 ICE application diagram (continued in Fig.23).
1998 Mar 24
40
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