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Product data sheet
Rev. 03 — 16 December 2008
© NXP B.V. 2008. All rights reserved.
TDA9885_TDA9886_3
6. Block diagram
NXP Semiconductors
CVAGC(pos)
VIF-PLL
filter
VAGC
(1)
16 (17)
CBL
external reference signal
or 4 MHz crystal
TOP
9 (8)
TAGC
14 (15)
CAGC(neg)
VPLL
19 (21)
REF
15 (16)
AFC
21 (23)
TUNER AGC
VIF AGC
RC VCO
DIGITAL VCO CONTROL
AFC DETECTOR
VIF2
VIF1
2 (31)
1 (30)
VIF PLL
I
2
C-bus controlled multistandard alignment-free IF-PLL demodulators
SOUND CARRIER
TRAPS
4.5 MHz to 6.5 MHz
(18) 17
CVBS
video output: 2 V (p-p)
[1.1 V (p-p) without trap]
TDA9885
TDA9886
(7) 8
SIF2
SIF1
24 (27)
23 (26)
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
MAD
(4) 6
SUPPLY
SIF AGC
CAGC
AUD
DEEM
AUDIO PROCESSING
AND SWITCHES
audio output
(3) 5
de-emphasis
network
AFD
CAF
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
NARROWBAND
FM-PLL DEMODULATOR
TDA9885; TDA9886
20 (22)
V
P
18 (20)
AGND
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13
n.c.
3 (1)
OP1
22 (24) 11 (10)
OP2
SCL
10 (9)
SDA
7 (5)
DGND
12 (11)
SIOMAD
4 (2)
FMPLL
008aaa174
sound intercarrier output
and MAD select
FM-PLL
filter
Pin numbers for TDA9885HN and TDA9886HN in parentheses.
(1) Not connected for TDA9885
5 of 56
Fig 1.
Block diagram of TDA9885; TDA9886
PHILIPS [ NXP SEMICONDUCTORS ]
