TDA9885 Philips Semiconductors, TDA9885 Datasheet - Page 48

• Manufacturer Part Number: TDA9885
• Description: I2C-bus controlled single and multistandard alignment-free IF-PLL demodulators
• Manufacturer: Philips Semiconductors

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Pin numbers for TDA9885HN and TDA9886HN in parenthesis.
(1) If pin OP2 outputs VIF-AGC voltage, then pin OP1 can be used for SAW switching.
(2) Not connected for TDA9885.
(3) Optional measures to improve ESD performance within a TV-set application.
input
IF
22 k
BA277
BA277
10 nF
6.8
k
51
680 k
BC847C
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
OP2
OP1
10 nF
390
pF
(1)
22 k
(23)
(2)
21
4
Fig.24 Application circuit.
FMPLL
AFC
5.6 k
10 nF
(22)
5 V
20
(3)
5
V P
DEEM
10 nF
1.5
nF
10 nF
(21)
19
(4)
6
AFD
VPLL
TDA9885
TDA9886
330
220 nF
470 nF
(20)
(5)
18
7
10 F
DGND
AGND
BC847
CVBS output
(18)
17
(7)
AF output
8
CVBS
AUD
75
220
I
2
positive supply
C-bus controller
16
(8)
(3)
9
TOP
VAGC
470 nF
(2)
(16)
f ref
15
(9)
10
REF
SDA
100
100 pF
I
2
C-bus
tuner AGC
(15)
(10)
14
11
TAGC
SCL
100
100 k
12 k
47 F
14, 17, 19,
(6, 12, 13,
(3)
29, 32)
25, 28,
(11)
intercarrier
13
12
output
5 V
SIOMAD
n.c.
MHC125