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參數資料
| 型號： | LA7578 |
| 文件頁數： | 2/18頁 |
| 文件大?。?/td> | 252K |
| 代理商： | LA7578 |
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
V
CC
max
Pd max
V
3
, V
13
V
14
I
1
I
17
I
21
I
10
Topr
Tstg
Conditions
Ratings
Unit
V
mW
V
V
mA
mA
mA
mA
°C
°C
Maximum supply voltage
Allowable power dissipation
Circuit voltage
13.8
1200
V
CC
V
CC
Ta
%
50°C
Circuit current
–1
–10
–3
3
Operating temperature
Storage temperature
Note 1
–20 to +70
–55 to +150
Note : The current that flows into the IC is positive (no signal); the current that flows out of the IC is negative.
Note 1 : –20 to +75°C at V
CC
= 9 V
Operating Conditions
at Ta = 25°C
Parameter
Symbol
V
CC
V
CC
op
Conditions
Ratings
Unit
V
V
Recommended supply voltage
Operating supply voltage range
Note:
Always turn on the protective resistance when drawing a line directly out from the IC at usage. (Pins 2, 11, 12, etc.)
.
A capacitor with favorable humidity characteristics should be used for pin 13. (ex. OS capacitor)
.
Pin 8 (NC) should always be open.
9 or 12
8.2 to 13.2
Operating Characteristics
at Ta = 25°C, V
CC
= 12 V
Parameter
Symbol
Conditions
min
typ
max
Unit
[VIF Block]
Circuit current
No-signal video output voltage
Maxinum RF AGC voltage
Mininum RF AGC voltage
No-signal AFT voltage
Input sensitivity
AGC range
Maxinum allowable Input
Video output amplitude
Output S/N
Sync signal tip voltage
920 kHz beat level
Frequency characteristics
Differential gain
Differential phase
Maxinum AFT voltage
Mininum AFT voltage
White noise threshold voltage
White noise clamp voltage
Black noise threshold voltage
Black noise clamp voltage
I
9
V
13
= 5 V, S1 = ON
V
13
= 5 V, S1 = ON
V
13
= 7 V, S1 = OFF
V
13
= 7 V, S1 = ON
V
13 = 5 V, S1 = ON
S1 = OFF
S1 = ON
S1 = ON
S1 = ON
S1 = ON
Vi = 10 mV, S1 = ON
P = 0, C = –4 dB, S = –14 dB, S1 = ON
P = 0, S = –14 dB
Vi = 10 mV, 87.5% mod,
fp = 58.75 MHz
42
6.6
10.6
48
57
7.4
11.4
0.5
8.0
45
mA
V
V
V
V
dB/μV
dB
dB/μV
Vp-p
dB
V
dB
MHz
%
deg
V
V
V
V
V
V
V
21
V
10H
V
10L
V
14
Vi
GR
Vi max
V
O
(video)
S/N
V
21
(tip)
I
920
fc
DG
DP
V
14H
V
14L
V
WTH
V
WCL
V
BTH
V
BCL
7
11
0
5.9
39
66
105
2.25
55
4.45
43
3.0
33
60
100
1.95
49
4.15
37
2.55
4.75
6
8
3
2
6
5
11
0
8.9
5.3
3.4
5.3
11.5
0.4
9.3
5.7
3.7
5.7
12
1.0
9.7
6.1
4.0
6.1
S1 = ON
S1 = ON
Continued on next page.
LA7578N
No.4037-2/18
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