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参数资料
| 型号： | LA7688B |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP52 |
| 封装： | 0.600 INCH, DIP-52 |
| 文件页数： | 16/20页 |
| 文件大小： | 316K |
| 代理商： | LA7688B |
LA7688B
No.0077-5/20
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Horizontal sync maximum cycle 50
TV MAX50
Vertical sync signal only
356.5
357
357.5
H
Horizontal sync maximum cycle 60
TV MAX60
Vertical sync signal only
296.5
297
297.5
H
Horizontal sync minimum cycle 50
TV MIN50
268.5
269
269.5
H
Horizontal sync minimum cycle 60
TV MIN60
224.5
225
225.5
H
Horizontal blanking peak value
VHVBL
0.6
1.0
V
Horizontal blanking pulse width 50
PWBLK50
23
23.5
24
H
Horizontal blanking pulse width 60
PWBLK60
19
19.5
20
H
Horizontal blanking pulse width
PWVOUT
8
8.5
9
H
Horizontal output voltage H
VOUTH
5.3
5.6
5.9
V
Horizontal output voltage M
VOUTM
4.0
4.3
4.6
V
Horizontal output voltage L
VOUTL
0.3
V
Vertical external trigger load resistance
RTR
3.0
4.7
k
Vertical automatic sync stop voltage
VSAS
1.4
1.9
V
Vertical AFC gate release voltage
VGS
2.0
2.5
V
Horizontal output start VCC voltage
SVV
4.2
4.7
V
Vertical free-run frequency deviation
fH
-150
0
150
Hz
Dependence of vertical free-run frequency
on VCC
fH/VCC
2
Hz
Vertical pull-in range
fHPULL
±450
Hz
Vertical 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
Vertical output pulse width
PWHOUT
21.8
23.8
25.8
s
Vertical output phase max
HPMAX
14
17
s
Vertical output phase center
HPCEN
4.8
5.8
6.8
s
Vertical output phase min
HPMIN
3.8
4.8
s
Burst gate pulse width
PWBGP
34
5
s
Burst gate pulse phase
TdBGP
-0.2
0.3
0.8
s
50/60 output voltage 50
V50
1.1
1.5
V
50/60 output voltage 60
V60
3.8
4.1
V
50/60 input voltage 50
VIN50
0.5
V
50/60 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
Package Dimensions
unit : mm
3128
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