參數(shù)資料
型號(hào)： LA75505M
文件頁(yè)數(shù)： 2/13頁(yè)
文件大小： 224K
代理商： LA75505M
No. 6930-2/13
LA75505M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
max
Pd max
7
V
Allowable power dissipation
Ta
≤
70°C (
*
Mounted on a printed circuit board)
470
mW
Operating temperature
Topr
–20 to +70
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
V
CC
op
5
V
Operating voltage range
4.5 to 5.5
V
Operating Conditions
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[VIF Block ]
Circuit current
I17
64.0
73.6
mA
Maximum RF AGC voltage
V14H
Collector load 30 k
VC2 = 9 V
8.5
9
—
V
Minimum RF AGC voltage
V14L
0.3
0.7
V
Input sensitivity
Vi
33
39
45
dBμV
AGC range
GR
58
dB
Maximum allowable input
Vimax
92
97
dBμV
No-signal video output voltage
V4
3.3
3.6
3.9
V
Synchronizing signal tip voltage
V4tip
1.0
1.3
1.6
V
Video output level
V
O
S/N
1.7
2.0
2.3
Vpp
Video signal-to-noise ratio
46
50
dB
C-S beating
IC-S
P/S = 10 dB
26
32
38
dB
Differential gain
DG
Vin = 80 dBμ
3
10
%
Differential phase
DP
2
10
deg
k
PF
VIF input resistance
Ri
2.5
3.0
VIF input capacitance
Ci
3
6
Maximum AFT voltage
V13H
4.3
4.7
5.0
V
Minimum AFT voltage
V13L
0
0.2
0.7
V
AFT tolerance 1
dfa1
f = 45.75 MHz
±35
±45
kHz
AFT tolerance 2
dfa2
f = 58.75 MHz
RL = 100 k
//100 k
±45
±70
kHz
AFT detection sensitivity
Sf
40
80
120
mV/kHz
AFT dead zone
fda
60
100
kHz
APC pull-in range (U)
fpu
1.0
1.5
MHz
APC pull-in range (L)
fpl
1.0
1.5
MHz
VCO maximum frequency range (U)
dfu
1.5
2.0
MHz
VCO maximum frequency range (L)
dfl
β
NT1
1.5
2.0
MHz
VCO control sensitivity
2.0
4.0
8.0
kHz/mV
N trap1 (4.75 MHz)
wrt 1 MHz
–30
–35
dB
N trap2 (5.25 MHz)
NT2
wrt 1 MHz
–19
–24
dB
Group delay 1 NTSC (3.0 MHz)
NGD1
wrt 1 MHz
10
40
70
ns
Group delay 1-1 NTSC (3.5 MHz)
NGD1-1
wrt 1 MHz
70
120
170
ns
Electrical Characteristics
at Ta = 25°C, V
CC
= 5.0 V, fp = 45.75 MHz
Note:
*
Circuit board dimensions: 114.3
×
76.1
×
1.6 mm
3
, material: glass epoxy
Continued on next page.
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