參數(shù)資料
型號(hào)： LA7583
元件分類： 接收器
英文描述： AUDIO/VIDEO DEMODULATOR, PDIP24
封裝： SDIP-24
文件頁數(shù)： 10/16頁
文件大?。?/td> 201K
代理商： LA7583
Operating Conditions at Ta=25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC15
V
VCC29
V
Operating supply voltage range
VCC1
4.6 to 6
V
VCC2
7 to 12
V
Electrical Characteristics at Ta=25 °C, VCC1=5 V, VCC2 = 9 V, fp = 45.75 MHz
Parameter
Symbol
Conditions
min
typ
max
Unit
[VIF Block]
Circuit current 1
I20
VCC = 5 V
57
66
78
mA
Circuit current 2
I8
VCC = 9 V
7.8
11.0
14.0
mA
Maxinum RF AGC voltage
V3H
V4=3V
7.5
8.1
9
V
Mininum RF AGC voltage
V3L
V4 = 1.5 V
0
+0.5
V
Input sensitivity
Vi
S1 = OFF
32
38
44
dB
AGC range
GR
56
62
dB
Maxinum Allowable Input
Vi max
95
103
dB
Video output voltage
with no signal
V19
V4=2V
3.3
3.6
3.9
V
Sync signal tip voltage
V19(tip)
Vi = 10 mV
1.1
1.4
1.7
V
Video output amplitude
VO(V)
87.5% mod
1.7
2.0
2.3
Vp-p
Black noise threshold level
voltage
VBTH
0.4
0.7
1.1
V
Black noise clamp voltage
VBCL
1.65
1.95
2.25
V
Output S/N
S/N
48
52
dB
920 kHz beat level
I920
P = 0, C = –10 dB, S = –10 dB
41
45
dB
Frequency characteristics
fC
P = 0, S = –14 dB
6
8
MHz
Differential gain
DG
Vi = 10 mV, 87.5%
3
8
%
Differential phase
DP
10STAR STEP
3
8
rad
AFT output voltage
with no signal
V11
0.3
4.5
8.7
V
Maxinum AFT output voltage
V11H
7.5
8.5
9
V
Mininum AFT output voltage
V11L
0
+1
+1.5
V
AFT detection sensitivity
Sf
33
48
69
mV/kHz
VIF input resistance
Ri(VIF)
f = 45.75 MHz
0.8
1.1
1.5
k
VIF input capacity
Ci(VIF)
f = 45.75 MHz
2
3
5
pF
APC pull-in range (U)
fPU
1.0
3
MHz
APC pull-in range (L)
fPL
–4.5
–1.0
MHz
AFT crossover frequency
fA
–65
+65
kHz
VCO1 maximum variable range
fU1
V22=4V
2.0
5.0
MHz
fL1
V22=2V
–5.0
–2.0
MHz
VCO2 maximum variable range
fU2
V16=4V
100
200
kHz
fL2
V16=2V
–1000
–200
kHz
VCO1 control sensitivity
β1
V22 = 2.8 V to 3.2 V
2.4
4.8
9.6
kHz/mV
VCO2 control sensitivity
β2
V16 = 2.8 V to 3.2 V
0.3
0.6
1.2
kHz/mV
[1st SIF Block]
4.5 MHz output gain
VG
Vi=1mV, 41.25 MHz
23
26
29
dB
4.5 MHz output level
SO
Vi = 10 mV, 41.25 MHz
50
85
120 mVrms
1st SIF maximum input level
Si (max)
So + 12 dB–1dB
60
70
mVrms
1st SIF input resistance
Ri (SIF1)
f = 41.25 MHz
1.2
2
k
1st SIF input capacity
Ci (SIF1)
f = 41.25 MHz
3
6
pF
Continued next page.
LA7583
No.5177-3/16
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