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參數資料
| 型號： | LA75501 |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP24 |
| 封裝： | 0.300 INCH, DIP-24 |
| 文件頁數： | 4/11頁 |
| 文件大?。?/td> | 112K |
| 代理商： | LA75501 |
LA75501
No.A0789-2/11
Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5.0
V
Operating supply voltage
VCC op
4.5 to 6.0
V
Electrical Characteristics at Ta = 25°C, VCC = 5V, fp = 38.0MHz
VIF Block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit current
I17
64.0
73.6
mA
Maximum RF AGC voltage
V14H
8.5
9
V
Minimum RF AGC voltage
V14L
Collector load 30k
VC2 = 9V
0.3
0.7
V
Input sensitivity
vi
33
39
45
dB
V
AGC range
GR
58
dB
Maximum allowable input
Vi max
92
97
dB
V
No-signal video output voltage
V4
3.3
3.6
3.9
V
Sync. Signal tip voltage
V4tip
1.0
1.3
1.6
V
Video output amplitude
VO
1.7
2.0
2.3
Vp-p
Video S/N
S/N
B/G
48
52
dB
C-S best
IC-S
P/S = 10dB
26
32
38
dB
Differential gain
DG
VIN = 0dB, 87.5% MOD
3
6
%
Differential phase
DP
2
10
deg
Black noise threshold voltage
VBTH
0.7
V
Black noise clamp voltage
VBCL
1.8
V
VIF input resistance
Ri
2.5
3.0
k
VIF input capacitance
Ci
3
6
PF
Maximum AFT voltage
V16H
4.3
4.7
5.0
V
Minimum AFT voltage
V16L
0
0.2
0.7
V
AFT tolerance 1
dfa1
f = 38.9MHz
±15
±25
KHz
AFT tolerance 2
dfa2
f = 38.0MHz
±15
±25
KHz
ATF detection sensitivity
sf
RL = 100k//100K
30
55
80
mV/kHz
AFT Dead Zone
fda
30
60
MHz
AFT leak current
AFTL
±4.0
A
APC pull-in range (U)
fpu
1.5
2.0
MHz
APC pull-in range (L)
fpl
1.5
2.0
MHz
VCO maximum
variable range (U)
dfu
1.5
2.0
MHz
VCO maximum
variable range (L)
dfl
1.5
2.0
MHz
VCO control sensitivity
β
2.0
4.0
8.0
kHz/mV
N Trap 1 (4.5M)
NT1
-30
-35
dB
N Trap 2 (4.8M)
NT1-1
-19
-24
dB
B/G Trap 1 (5.5M)
BT1
-27
-32
dB
B/G Trap 2 (5.85M)
BT1-1
-20
-25
dB
I Trap 1 (6.0M)
IT1
-25
-30
dB
I Trap 2 (6.55M)
IT1-1
-15
-20
dB
D/K Trap1 (6.5M)
DT1
-25
-30
dB
Group delay 1 NTSC (3.0M)
ngd1
30
60
90
ns
Group delay 1-1 NTSC (3.5M)
ngd1-1
160
230
300
ns
Group delay 2 B/G (4M)
bgd2
70
100
130
ns
Group delay 2-1 B/G (4.4M)
bgd2-1
160
230
300
ns
Group delay 3 I (4M)
bgd3
20
50
80
ns
Group delay 3-1 I (4.4M)
bgd3-1
60
90
120
ns
Group delay 4 D/K (4M)
bgd4
0
30
60
ns
Group delay 4-1 D/K (4.4M)
bgd4-1
10
40
70
ns
Continued on next page.
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