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參數資料
| 型號： | LA75694M |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封裝： | 0.300 INCH, MFP-24 |
| 文件頁數： | 3/10頁 |
| 文件大小： | 226K |
| 代理商： | LA75694M |
LA75694M
No.A0251-2/10
Electrical Characteristics at Ta = 25°C, VCC = 5V, fp = 45.75MHz
VIF Block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit current
I5
38
45
51.8
mA
Maximum RF AGC voltage
V14H
VCC-0.5
VCC
V
Minimum RF AGC voltage
V14L
0
0.5
V
Input sensitivity
Vi
S1 = OFF
27
33
39
dB
V
AGC range
GR
53
58
dB
Maximum allowable input
Vi max
90
96
dB
V
No-signal video output voltage
V6
2.1
2.4
2.7
V
Sync. signal tip voltage
V6 tip
0.7
1.0
1.3
V
Video output level
VO
0.95
1.1
1.25
Vp-p
Black noise threshold voltage
VBTH
0.5
0.8
1.1
V
Black noise clamp voltage
VBCL
1.2
1.5
1.8
V
Video S/N
S/N
48
52
dB
C-S best
IC-S
38
43
dB
Frequency characteristics
fc
6MHz
-3
-1.5
dB
Differential gain
DG
3
6.5
%
Differential phase
DP
3
5
°C
No-signal AFT voltage
V13
2.0
2.5
3.0
V
Maximum AFT voltage
V13H
4.0
4.4
5.0
V
Minimum AFT voltage
V13L
0
0.18
1.0
V
AFT detection sensitivity
Sf
14
21
28
mV/kHz
VIF input resistance
Ri
45.75MHz
1.5
k
VIF input capacitance
Ci
45.75MHz
3
pF
APC pull-in range (U)
fpu
0.7
1.5
MHz
APC pull-in range (L)
fpl
-2.0
-1.4
MHz
AFT tolerance frequency 1
Fa1
-200
0
200
kHz
VCO1 maximum variable range (U)
dfu
1.0
1.5
MHz
VCO1 maximum variable range (L)
dfl
-2.0
-1.4
MHz
VCO control sensitivity
β
1.2
3.2
5.0
kHz/mV
Synchronization ratio
VS
25.0
28.5
31.5
%
1st SIF Block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Conversion gain
VG
27
33
39
dB
4.5MHz output level
SO
53
115
180
mVrms
1st SIF maximum input
Si max
8
16
mVrms
1st SIF input resistance
Ri (SIF)
41.25MHz
2
k
1st SIF input capacitance
Ci (SIF)
41.25MHz
3
pF
SIF Converter
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Conversion gain
VG (SIF)
8
11
14
dB
Maximum output level
V max
103
109
115
dB
V
Carrier suppression ratio
VGR (4.5)
15
21
dB
Oscillator level
VOSC
35
70
mVp-p
OSC leakage
OSC leak
14
25
dB
Oscillator stop current
I4
300
A
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相關代理商/技術參數 |
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