xxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xxxxxxxxxxxxxx xxxxxxxxxx xxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx
xxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxx x x
TDA9885_TDA9886_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 16 December 2008 46 of 56
NXP Semiconductors
TDA9885; TDA9886
I
2
C-bus controlled multistandard alignment-free IF-PLL demodulators
14. Test information
Pin numbers for TDA9885HN and TDA9886HN in parentheses.
(1) Optional for I
2
C-bus address selection; see Table 23.
(2) Different VIF loop filter in comparison with the application diagram due to different input characteristics (SAW filter or transformer).
(3) Not connected for TDA9885.
Fig 26. Test circuit
mhc124
(30)
1
(1)
3
(5)
7
(31)
2
(2)
4
(3)
5
(4)
6
22
(24)
23
(26)
18
(20)
21
(23)
20
(22)
19
(21)
(7)
8
(8)
9
(9)
10
17
(18)
16 15
(16)
14
(15)
13
(6, 12, 13,
14, 17, 19,
25, 28,
29, 32)
external
reference
AFC
output
VIF-PLL
filter
(2)
V
P
4 MHz
24
(27)
470 nF
390
pF
10 nF
VIF1 VIF2
SIF2 SIF1
OP1 FMPLL
VAGC
(3)
AFC VPLL
V
P
AGND
DEEM AFD DGND AUD
(10)
11
SCL
(11)
12
SIOMADTOP SDA
100
nF
100
pF
1.5
nF
tuner AGC
output
CVBS
output
TAGC n.c.CVBS
OP2 REF
5.6 kΩ
10 nF
FM-PLL
filter
22
kΩ
22 kΩ
150 kΩ150 kΩ
R2
(1)
R3
150 Ω
220 nF
C
x
470 nF
R1
2.2
kΩ
(1)
MAD
select
audio
output
intercarrier
output
TDA9885
TDA9886
51 Ω
1 : 1
VIF
input
51 Ω
1 : 1
SIF
input
22 kΩ
