TDA9882 Philips Semiconductors, TDA9882 Datasheet - Page 37

• Manufacturer Part Number: TDA9882
• Description: Alignment-free multistandard vision and QSS FM sound IF PLL demodulator
• Manufacturer: Philips Semiconductors

Fig 23. Test circuit.
(1) Different VIF loop filter in comparison with the application circuit due to different input characteristics (SAW filter or transformer).
(2) Internal connected; the pin must be left open-circuit.
(3) AF output signal reduction; see
(4) Optional for auto mute disable (see
input
input
SIF
VIF
Pin numbers for TDA9882HN in parenthesis.
xxxxxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx
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51
51
1
1
:
:
1
1
(27)
(30)
24
1
SIF2
VIF1
150 k
R 2
(4)
Table note 18
(26)
(31)
150 k
23
2
R 3
SIF1
VIF2
Table
6); R2 and R3 not used: auto mute active; R2 = R3 = 150 k : auto mute not active.
(24)
22
(1)
3
VAGC
i.c.
of
k
22
(2)
Section
5.6 k
10 nF
FM PLL
output
AFC
(23)
filter
(2)
21
4
AFC
FMPLL
11.
22 k
100
nF
390
pF
(22)
V P
20
(3)
5
V P
DEEM
10 nF
1.5
nF
VIF PLL
filter
(21)
19
(4)
6
AFD
(1)
VPLL
TDA9882
150
R
470 nF
220 nF
x
(3)
(20)
18
(5)
7
AGND
DGND
CVBS
output
output
audio
(18)
17
(7)
8
AUD
CVBS
470 nF
22 k
(17)
16
(8)
9
CAGC
TOP
100
pF
reference
external
n.c.
V
or
(16)
P
15
(9)
10
REF
FM1
C x
4 MHz
tuner AGC
n.c.
V
or
output
P
(15)
(10)
14
11
TAGC
FM0
QSS output
n.c.
reference
V
or
single
P
(14)
(11)
13
12
QSSO
VIF0
n.c.
modulation
mhc498
2.2 k