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參數(shù)資料
| 型號： | TDA5670-5X |
| 廠商： | SIEMENS A G |
| 元件分類： | 消費家電 |
| 英文描述： | Video Modulator for FM/AM-Audio with PLL-Output |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 文件頁數(shù)： | 9/22頁 |
| 文件大?。?/td> | 730K |
| 代理商： | TDA5670-5X |
TDA 5670-5X
Semiconductor Group
9
Modulation depth
m
D/N
60
70
80
%
staircase signal at
video input;
V
Video
= 1 Vpp
V
Video
= 1 Vpp
±
3 dB;
T
A
= 0-60
o
C
6
Stability of mod.
depth
m
D
m
D
m
D
α
dif
Φ
dif
1
1
1
±
2.5
±
2.5
±
2.5
10
%
%
%
V
S
= 10-13.5 V
6
6
6
Differential gain
%
7
Differential phase
15
deg
measured with
measurement
demodulator,
video test signals
and vector scope
7
Amplitude response of video signal;
V
Video
= 1 Vpp with additional modulation
f
= 15 kHz-5MHz
sine signal between black and white
α
V
0
Period of time required for peak white detector to reach steady state for full modulation depth with
1-white pulse per half frame when control is already in the steady state
1.5
dB
8
t
6
50
μ
s
C
at pin 13 =
10
μ
F;
I
leakage
≤
2
μ
A
1
Setting time for video signal change from 0 Vpp to 1.4 Vpp; video blanking signal content is
uniform white level
t
120
500
μ
s
1
Setting time for video blanking signal from 100% white level to 42% grey level with subsequent
rise in grey level to 71% of video blanking signal (due to decontrol process)
t
0.4
2
10
min
1
Audio
Audio oscillator frequency range; unloaded
Q
factor of resonance circuit
Q
u
= 25;
f
resonance
= 5.5 MHz
f
A/OSC
4
7
MHz
1
AC/DC-Characteristics
(cont’d)
T
A
= 25
o
C;
V
S
= 12 V
Parameter
Symbol
Limit Values
Unit
Test
Condition
Test
Circuit
min.
typ.
max.
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