TDA9887 Philips Semiconductors, TDA9887 Datasheet - Page 50

• Manufacturer Part Number: TDA9887
• Description: I2C-bus controlled multistandard alignment-free IF-PLL demodulator with FM radio
• Manufacturer: Philips Semiconductors

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Pin numbers for TDA9887HN in parenthesis.
(1) If pin OP2 outputs VIF-AGC voltage, then pin OP1 can be used for SAW switching.
(2) Only for radio mode, not needed for external FM input mode.
(3) Optional measures to improve ESD performance within a TV-set application.
input
IF
22 k
BA277
BA277
10 nF
6.8
k
51
BC847C
680 k
5 V
6.8
k
1
2
1
2
FILTER
FILTER
K9456
K3953
SAW
SAW
BA277
3
3
220 k
5
4
5
4
(27)
(30)
24
1
SIF2
VIF1
(26)
(31)
23
2
SIF1
VIF2
(24)
(1)
22
3
OP1
OP2
10 nF
390
pF
(1)
22 k
(23)
21
(2)
4
AFC
FMPLL
5.6 k
10 nF
Fig.26 Application circuit.
(22)
5 V
20
(3)
5
V P
DEEM
10 nF
1.5
nF
10 nF
(21)
19
(4)
6
AFD
VPLL
TDA9887
330
220 nF
470 nF
(20)
18
(5)
7
10 F
AGND
DGND
BC847
CVBS output
(18)
17
(7)
AF output
8
CVBS
AUD
75
220
I
2
(17)
positive supply
(3)
C-bus controller
16
(8)
9
VAGC
TOP
470 nF
(16)
f ref
15
(9)
10
REF
SDA
100
100 pF
I
2
C-bus
tuner AGC
(15)
(10)
14
11
TAGC
SCL
100
12 k
100 k
47 F
(3)
(14)
(11)
intercarrier
13
12
output
5 V
FMIN
SIOMAD
mhc152
10.7 MHz (2)
330 (2)
330 (2)