tda9881ts-v2 NXP Semiconductors, tda9881ts-v2 Datasheet - Page 34

• Manufacturer Part Number: tda9881ts-v2
• Description: Tda9881 Alignment-free Vision And Fm Sound If-pll Demodulator For Negative Modulated Tv Standards
• Manufacturer: NXP Semiconductors

Fig 21. Test circuit.
input
input
SIF
VIF
(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
51
51
Pin numbers for TDA9881HN in parenthesis.
1 : 1
1 : 1
(27)
(30)
24
1
SIF2
VIF1
(26)
(31)
23
2
Table note 19
SIF1
VIF2
(24)
(1)
22
3
VAGC
i.c.
k
of
22
(2)
10 nF
5.6 k
Section
FM PLL
output
AFC
(23)
filter
(2)
21
4
AFC
FMPLL
11.
22 k
100
nF
390
pF
(22)
(3)
V
20
5
P
V
DEEM
10 nF
P
1.5
nF
VIF PLL
filter
(21)
(4)
19
6
AFD
TDA9881
(1)
VPLL
150
R x (3)
220 nF
470 nF
(20)
(5)
18
7
AGND
DGND
FM sound
CVBS
output
output
(18)
17
(7)
8
CVBS
FMSO
22 k
n.c.
V
or
P
(17)
16
(8)
9
AMUTE0
TOP
1 nF
100
reference
pF
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
reference
n.c.
V
or
single
P
(14)
(11)
13
12
VIF0
QSSO
n.c.
mhc505
2.2 k
VIF1