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参数资料
| 型号： | LA7688 |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP52 |
| 封装： | SHRINK, DIP-52 |
| 文件页数： | 5/6页 |
| 文件大小： | 106K |
| 代理商： | LA7688 |
No. 5635-5/6
LA7688
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Vertical external trigger load resistance
RTR
3.0
4.7
k
Vertical automatic synchronization stop voltage
VSAS
1.4
1.9
V
Horizontal AFC gate release voltage
VGS
2.0
2.5
V
Vertical output start VCC voltage
SVV
4.2
4.7
V
Horizontal free-running deviation
fH
–150
0
+150
Hz
Horizontal free-running frequency VCC
fH/VCC
2
Hz
dependence
Horizontal pull-in range
fHPLL
±450
Hz
Horizontal output start VCC voltage
SHV
4.8
5.2
V
AFC2 FBP peak value H
FBPH
6.0
6.5
7.0
V
AFC2 FBP peak value M
FBPM
3.2
3.7
4.2
V
AFC2 FBP peak value L
FBPL
–0.3
+0.2
+0.7
V
Horizontal output pulse width
PWHOUT
21.8
23.8
25.8
s
Horizontal output phase maximum
HPmax
14
17
s
Horizontal output phase center
HPcen
4.8
5.8
6.8
s
Horizontal output phase minimum
HPmin
3.8
4.8
s
Burst gate pulse width
PWBGP
3
4
5
s
Burst gate pulse phase
TdBGP
–0.2
+0.3
+0.8
s
50/60 Hz output voltage 50
V50
1.1
1.5
V
50/60 Hz output voltage 60
V60
3.8
4.1
V
50/60 Hz input voltage 50
VIN50
0.5
V
50/60 Hz input voltage 60
VIN60
7.0
V
SECAM V pulse peak value
SVH
1.8
2.2
2.6
V
SECAM V pulse width
SVW
11.0
11.5
12.0
H
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