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參數資料
| 型號： | LA7674 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP52 |
| 封裝： | SDIP-52 |
| 文件頁數： | 2/6頁 |
| 文件大小： | 95K |
| 代理商： | LA7674 |
No. 4361-2/6
LA7674
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V11 max
11
V
V14 max
11
V
Maximum supply current
I30max
16
mA
Allowable power dissipation
Pd max
Ta
≤ 60°C
1.35
W
Operating temperature range
Topr
–10 to +65
°C
Storage temperature range
Tstg
–55 to +150
°C
Circuit current
I44
–6
mA
I6
–3
mA
FBP input current
I22 max
Peak current
5
mA
I21 max
Peak current
10
mA
Specifications
Absolute Maximum Ratings at Ta = 25° C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V11
9V
V14
9V
Recommended supply current
I30
13
mA
Operating voltage range
V11op
8 to 9.5
V
V14op
8 to 9.5
V
Operating current range
I30op
10 to 16
mA
Operating Conditions at Ta = 25° C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Circuit Voltage and Current]
Horizontal supply voltage
V30
VCC = 9V, ICC = 13mA
7.3
7.8
8.3
V
Supply current
I11 + 14
VCC = 9V, ICC = 13mA, IF AGC 4V
102
120
138
mA
[VIF]
Quiescent video output voltage
V44
Quiescent
4.3
4.7
5.1
V
Quiescent AFT output voltage
V47
Quiescent
3.1
4.7
6.1
V
Maximum RFAGC voltage
V49H
CW = 85dB, RFAGCVR = min
7.6
8.0
8.3
V
Minimum RFAGC voltage
V49L
CW = 85dB, RFAGCVR = max
0
0.01
0.3
V
Input sensitivity
Vi
VIF input level for video output at 0.8Vp-p
33
39
45
dB
(40% mod).
AGC range
GR
Maximum input (V0 = 0.8Vp-p) - input sensitivity
54
62
70
dB
Maximum permissible input
Vi max
VIF input level for video output at +1dB
97
104
111
dB
Video output detection
VO44
Vi = 80dB, AM = 78% mod
1.7
2.0
2.3
Vp-p
Differential gain
DG
Vi = 80dB, AM = 87.5%, video mod
3.0
10
%
Differential phase
DP
Vi = 80dB, AM = 87.5%, video mod
1.0
10
DEG
Video S/N
S/N
Vi = 80dB, 20 log
1.46 (Vp-p)
47
54
61
dB
noise (Vrms)
Synchronization signal tip level
V44 TIP
CW = 80dB
2.1
2.4
2.7
V
Frequency characteristic
fC
Frequency at video output of –3dB
6.0
9.0
12.0
MHz
920 kHz VIF intermodulation
I920
V3.58MHz/V920kHz, Vi = 80dB
35
42
49
dB
Maximum AFT output voltage
V47H
CW = 80dB, frequency change
8.3
8.7
9.0
V
Minimum AFT output voltage
V47L
CW = 80dB, frequency change
0.1
0.3
0.8
V
AFT detection sensitivity
Sf
CW = 80dB, frequency change
45
70
100
mV/kHz
AFT switch operation start voltage
VAFTSW
Measuring with sweep signal
0.5
1.0
1.5
V
Black noise threshold level
VBTH
Measuring with sweep signal
1.1
1.4
1.7
V
APC pull-in range (U)2
fPU-2
CW = 80dB, fP = 53MHz to 64MHz
0.8
1.7
4.0
MHz
APC pull-in range (L)2
fPL-2
CW = 80dB, fP = 53MHz to 64MHz
–2
–1
MHz
VCO maximum variable range
fU
Quiescent
0.9
1.7
4.0
MHz
fL
Quiescent
–4
–2
–1
MHz
VCO control sensitivity
β
Quiescent
1.5
3.0
5.5
kHz/mV
Operating Characteristics at Ta = 25°C, VCC = V11 = V14 = 9 V, ICC = I30 = 13 mA
Continued on next page.
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