tda9884 NXP Semiconductors, tda9884 Datasheet - Page 5

• Manufacturer Part Number: tda9884
• Description: Tda9884 I2c-bus Controlled Multistandard Alignment-free If-pll For Mobile Reception
• Manufacturer: NXP Semiconductors

Fig 1. Block diagram
VIF2
VIF1
SIF2
SIF1
(1) SIF-AGC monitor output at pin AFC.
Pin numbers for TDA9884HN in parentheses.
2 (31)
1 (30)
24 (27)
23 (26)
TUNER AGC
9 (8)
TOP
20 (22)
SUPPLY
V
P
TAGC
14 (15)
C
18 (20)
AGND
AGC(neg)
13 (14)
AGCSW
VIF-AGC
16 (17)
VAGC
C
C
BL
VAGC(pos)
SIF-AGC
to pin
OP2
SINGLE REFERENCE QSS MIXER
to pin AFC
C
AND AM DEMODULATOR
AGC
INTERCARRIER MIXER
VIF-PLL
OUTPUT
PORTS
3 (1)
OP1
19 (21)
VPLL
VIF-PLL
filter
RC VCO
22 (24)
OP2
I
2
C-BUS TRANSCEIVER
MAD
11 (10)
SCL
10 (9)
SDA
DIGITAL VCO CONTROL
TDA9884
sound intercarrier output
7 (5)
DGND
and MAD select
external reference signal
or 4 MHz crystal
12 (11)
SIOMAD
15 (16)
REF
4.5 MHz to 6.5 MHz
FM-PLL DEMODULATOR
SOUND CARRIER
AFC DETECTOR
NARROW-BAND
TRAPS
21 (23)
AUDIO PROCESSING
AFC
AND SWITCHES
(1)
FMPLL
4 (2)
FM-PLL
filter
(18) 17
(7) 8
(3) 5
(4) 6
001aae451
CVBS
AUD
DEEM
AFD
video output: 2 V (p-p)
[1.1 V (p-p) without trap]
de-emphasis
network
audio output
C AF