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參數(shù)資料
| 型號(hào)： | TDA4472-MSD |
| 英文描述： | Video-IF and Quasi Parallel Sound Processing |
| 中文描述： | 視頻- IF和準(zhǔn)并行聲音處理 |
| 文件頁(yè)數(shù)： | 7/14頁(yè) |
| 文件大小： | 170K |
| 代理商： | TDA4472-MSD |
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TDA4472-M
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A2, 15-Oct-96
7 (14)
Unit
dB
Max.
2.0
Typ.
Min.
Symbol
Β
Test Conditions / Pins
Parameters
Video frequency response over
the AGC range
Differential gain error
Differential phase error
Intermodulation
1.07 MHz
Video signal to noise ratio
Residual vision carrier
fundamental wave 38.9 MHz
and second harmonic 77.8 MHz
Lower limiting level
Upper limiting level
Ripple rejection
AFC output
Control slope
Frequency drift by temperature
DG
DP
2
2
60
5
5
%
deg
dB
See note 6
IM
52
Weighted, CCIR-567
S/
N
v
res1
56
60
2
dB
mV
10
Below sync level
Above ultra white level
See note 1, Pin 23/Pin 12
V
lim1
V
lim
2
RR
400
600
mV
mV
dB
35
Pin 22
I/
f
0.7
0.25
A/kHz
%
Related to the picture
carrier frequency
0.6
Output voltage – upper limit
– lower limit
Output current
AFC switch
Control voltage: AFC “off”
AFC “on”
Switching current
SIF inputs
Input sensitivity
(RMS value)
Input impedance
Input capacitance
SIF-AGC
IF gain control range
AGC capacitor
Intercarrier output-FM
DC output voltage
Output resistance
Sound IF output voltage
(5.5 MHz output voltage)
Weighted signal to noise ratio:
(CCIR 468)
V
AFC
V
S
–0.4
0.4
V
V
I
AFC
±
0.2
mA
Pin 19
See note 7
V
SW
0
3.5
0.8
V
S
V
V
A
I
SW
±
100
Pin 1-2, 27-28
Output signal
at Pin 24/25: –3 dB
See note 1
See note 1
v
in
80
120
V
RMS
R
in
C
in
1.2
2
k
pF
Pin 5
G
v
60
65
10
dB
F
C
AGC
Pin 24
see note 8
V
DC
R
out
v
out
2
V
See note 1
v
in
= 10 mV
150
250
180
350
mV
RMS
Ref. signal:
v
in
= 10 mV;
FM dev. =
±
27 kHz
f
mod
= 1 kHz;
tested with the double
FM demod. U2860B;
B/G modulated VIF signal
Black screen: Channel 1/2
Grid pattern: Channel 1/2
Grey screen 50%: Channel
1/2
See note 1, Pin 23/Pin 24
S/N
S/N
S/N
60/58
54/52
60/57
dB
dB
dB
Ripple rejection
SIF input selector switch
RR
35
dB
Pin 3
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