tda9884 NXP Semiconductors, tda9884 Datasheet - Page 7

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

Philips Semiconductors
7. Functional description
TDA9884_2
Product data sheet
Table 3.
Figure 1
functional blocks:
Symbol
FMPLL
DEEM
AFD
DGND
n.c.
AUD
TOP
SDA
SCL
SIOMAD
n.c.
n.c.
AGCSW
TAGC
REF
VAGC
CVBS
n.c.
AGND
VPLL
V
AFC
OP2
n.c.
SIF1
SIF2
n.c.
n.c.
•
•
•
P
VIF amplifier
Tuner AGC and VIF-AGC
VIF-AGC detector
shows the simplified block diagram of the device which comprises the following
Pin description
Pin
TDA9884TS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
4
5
6
7
8
9
-
-
-
-
-
-
-
Rev. 02 — 12 May 2006
…continued
TDA9884HN
I
2
C-bus controlled multistandard alignment-free IF-PLL
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
2
3
4
5
6
7
8
9
Description
FM-PLL for loop filter
de-emphasis output for capacitor
AF decoupling input for capacitor
digital ground
not connected
audio output
tuner AGC TakeOver Point (TOP) for resistor
adjustment
I
I
sound intercarrier output and MAD select with
resistor
not connected
not connected
fast external AGC enable switch
tuner AGC output
4 MHz crystal or reference signal input
VIF-AGC capacitor for L standard
composite video output
not connected
analog ground
VIF-PLL for loop filter
supply voltage
AFC output
output port 2; open-collector
not connected
SIF differential input 1 and MAD select with
resistor
SIF differential input 2 and MAD select with
resistor
not connected
not connected
2
2
C-bus data input and output
C-bus clock input
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
TDA9884
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