TDA9881 Philips Semiconductors, TDA9881 Datasheet - Page 33

• Manufacturer Part Number: TDA9881
• Description: Alignment-free vision and FM sound IF PLL demodulator
• Manufacturer: Philips Semiconductors

Fig 20. Application diagram of TDA9881.
(1) Optional measures to improve ESD performance within a TV-set application.
(2) Internal connected; the pin must be left open-circuit.
(3) AF output signal reduction; see
input
Pin numbers for TDA9881HN in parenthesis.
IF
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51
1
2
1
2
FILTER
FILTER
K9350
G3962
SAW
SAW
3
3
5
4
5
4
(27)
(30)
24
1
SIF2
VIF1
Table note 19
(26)
(31)
23
2
SIF1
VIF2
of
(24)
22
(1)
3
Section
i.c.
VAGC
22 k
390
pF
(2)
100 nF
11.
(23)
21
(2)
4
FMPLL
AFC
5.6 k
10 nF
22 k
(22)
5 V
(3)
20
5
V P
DEEM
10 nF
1.5
nF
10 nF
(21)
19
(4)
6
AFD
TDA9881
VPLL
330
R x (3)
220 nF
470 nF
(20)
(5)
18
7
10 F
AGND
DGND
BC847
FM sound
output
(18)
17
(7)
CVBS output
8
CVBS
FMSO
75
220
(17)
16
(8)
9
TOP
AMUTE0
1 nF
22 k
(16)
15
f ref
(9)
10
REF
FM1
100 pF
47 F
tuner AGC
(15)
(10)
14
11
TAGC
FM0
100 k
12 k
QSS output
reference
(1)
single
(14)
(11)
13
12
5 V
VIF0
QSSO
n.c.
mhc503
2.2 k
VIF1