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| 型號： | TDA4472-MSD |
| 英文描述： | Video-IF and Quasi Parallel Sound Processing |
| 中文描述： | 視頻- IF和準并行聲音處理 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 170K |
| 代理商： | TDA4472-MSD |
TDA4472-M
TELEFUNKEN Semiconductors
Rev. A2, 15-Oct-96
Preliminary Information
4 (14)
Pin Description
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
i,SIF1
GND
C
AGC
V
i,SIF1
V
SW
V
i,VIF
V
i,VIF
C
AGC
GND
R
top
I
tun
V
o,vid
NC
V
i,SIF2
V
i,SIF2
R
comp
V
o,FM
V
S
V
AFC
V
VCO
V
VCO
Vsw
C
ref
GND
LF
94 8835
NC
NC
NC
Figure 2. Pinning
Pin
1, 2
3
4, 9, 16
5
6, 7
8
10
11
12
13
14
15
17
18
19
20, 21
22
23
24
25
26
27, 28
Symbol
V
i
,
SIF1
V
sw
GND
C
AGC
V
i, VIF
C
AGC
R
top
I
tun
V
o,vid
NC
NC
NC
C
ref
LF
V
sw
V
VCO
V
AFC
V
S
V
O
,
FM
NC
R
comp
V
i, SIF2
Function
SIF1 input (symmetrical)
Input selector switch
Ground
SIF-AGC (time constant)
VIF input (symmetrical)
VIF-AGC (time constant)
Take over point, tuner AGC
Tuner AGC output current
Video output
Not connected
Not connected
Not connected
Internal reference voltage
Loop filter
AFC switch
VCO circuit
AFC output
Supply voltage
Intercarrier output
Not connected
Offset compensation
SIF 2 input (symmetrical)
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