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參數(shù)資料
| 型號： | LA7688 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip CTV Signal-Processing Circuit for PAL and NTSC Formats |
| 中文描述： | 單芯片中視信號為PAL和NTSC處理電路格式 |
| 文件頁數(shù)： | 5/6頁 |
| 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
V
Vertical automatic synchronization stop voltage
V
SAS
V
GS
SVV
f
H
1.4
1.9
Horizontal AFC gate release voltage
2.0
2.5
V
Vertical output start V
CC
voltage
Horizontal free-running deviation
4.2
4.7
V
–150
0
+150
Hz
Horizontal free-running frequency V
CC
dependence
f
H
/V
CC
2
Hz
Horizontal pull-in range
f
HPLL
S
HV
F
BPH
F
BPM
F
BPL
P
WHOUT
HPmax
±450
Hz
Horizontal output start V
CC
voltage
AFC2 FBP peak value H
4.8
5.2
V
6.0
6.5
7.0
V
AFC2 FBP peak value M
3.2
3.7
4.2
V
AFC2 FBP peak value L
–0.3
+0.2
+0.7
V
Horizontal output pulse width
21.8
23.8
25.8
μs
Horizontal output phase maximum
14
17
μs
Horizontal output phase center
HPcen
4.8
5.8
6.8
μs
Horizontal output phase minimum
HPmin
3.8
4.8
μs
Burst gate pulse width
PW
BGP
Td
BGP
V50
3
4
5
μs
Burst gate pulse phase
–0.2
+0.3
+0.8
μs
50/60 Hz output voltage 50
1.1
1.5
V
50/60 Hz output voltage 60
V60
3.8
4.1
V
50/60 Hz input voltage 50
V
IN
50
V
IN
60
SVH
0.5
V
50/60 Hz input voltage 60
7.0
V
SECAM V pulse peak value
1.8
2.2
2.6
V
SECAM V pulse width
SVW
11.0
11.5
12.0
H
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