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參數(shù)資料
| 型號： | LA75695VA |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封裝： | 0.225 INCH, SSOP-24 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 281K |
| 代理商： | LA75695VA |
LA75695VA
No.7637-2/13
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1
5
V
Recommended supply voltage
VCC2
9
V
VCC1 op
4.5 to 5.5
V
Operating voltage
VCC2 op
4.5 to 9.5
V
Electrical Characteristics at Ta = 25°C, VCC1 = 5V, VCC2 = 9V, fp = 45.75MHz
VIF Block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit current 1
I5
35.7
42
48.3
mA
Circuit current 2
I4
6.7
7.9
9.1
mA
Maximum RF AGC voltage
V14H
VCC2-0.5
VCC2
V
Minimum RF AGC voltage
V14L
0
0.5
V
Input sensitivity
Vi
S1 = OFF
30
36
42
dB
V
AGC range
GR
50
56
dB
Maximum allowable input
Vi max
95
100
dB
V
No-signal video output voltage
V6
3.1
3.4
3.7
V
Sync. signal tip voltage
V6 tip
0.8
1.1
1.3
V
Video output level
VO
1.7
2.0
2.3
Vp-p
Black noise threshold voltage
VBTH
0.5
0.8
1.1
V
Black noise clamp voltage
VBCL
1.7
2.1
2.4
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
VCC2-1.0
VCC2-0.5
VCC2
V
Minimum AFT voltage
V13L
0
0.18
1.0
V
AFT detection sensitivity
Sf
17
25
34
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
-1.5
-0.9
MHz
AFT tolerance frequency 1
Fa1
-150
0
150
kHz
VCO1 maximum variable range (U)
dfu
1.0
1.5
MHz
VCO1 maximum variable range (L)
dfl
-1.5
-1
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
22
28
32
dB
4.5MHz output level
SO
80
120
160
mVrms
1st SIF maximum input
Si max
50
100
mVrms
1st SIF input resistance
Ri (SIF)
41.25MHz
2
k
1st SIF input capacitance
Ci (SIF)
41.25MHz
3
pF
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