LA7577N View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LA7577N Datasheet PDF : 16 Pages
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LA7577N
Parameter
VCO control sensitivity
[1st SIF]
4.5MHz conversion gain
4.5MHz output level
1st SIF stage maximum input
1st SIF stage input resistance
1st SIF stage input capacitance
[SIF]
SIF limiting sensitivity
FM detector output voltage
AM rejection
Total harmonic distortion
SIF signal-to-noise ratio
[Mute, Defeat]
AFT defeat start voltage
AV mute threshold
FM mute threshold
AFT defeat voltage
Symbol
β
Conditions
V18 = 4.6 to 5V
VG
VSIF1
VSIF max
Ri (SIF1)
Ci (SIF1)
Vi = 10mVrms
+2.2dB, −1dB
f = 54.25MHz
f = 54.25MHz
Vi (lim)
Vo
AMR
THD
S/N (SIF)
V13 = 5V
V13 = 5V
V13 = 5V
V13 = 5V
V13 = 5V
VD11
V4TH
V2TH
VD14
Electrical Characteristics at Ta = 25°C, VCC = 9V
Parameter
[VIF]
Circuit current
Quiescent video output voltage
Maximum RF AGC voltage
Minimum RF AGC voltage
Quiescent AFT voltage
Input sensitivity
Video output amplitude
Sync signal tip voltage
Maximum AFT voltage
Minimum AFT voltage
White-noise threshold voltage
White-noise clamp voltage
Black-noise threshold voltage
Black-noise clamp voltage
AFT detector sensitivity
[SIF]
FM detector output voltage
[Mute, Defeat]
AFT defeat start voltage
AV mute threshold
FM mute threshold
AFT defeat voltage
Symbol
Conditions
I9
V21
V10H
V10L
V14
Vi
Vo (video)
V21 (tip)
V14H
V14L
VWTH
VWCL
VBTH
VBCL
Sf
V13 = 5V
V13 = 5V
V13 = 7V
V13 = 7V
V13 = 5V
Vi = 10mV
Vo
V13 = 5V
VD11
V4TH
V2TH
VD14
min
1.5
typ
3.1
max
6.2
Unit
kHz/mV
21
26
31
dB
50
75
110 mVrms
60
70
- mVrms
1.2
2
2.7
kΩ
–
3
6
pF
–
33
39 dB/µV
400
600
790 mVrms
40
49
–
dB
–
0.5
1.0
%
60
78
–
dB
0.5
2.3
–
V
0.5
1.9
–
V
0.5
2.0
–
V
5.4
6
6.6
V
min
typ
max
Unit
39
48
59
mA
5.0
5.4
5.8
V
7.6
8
8.4
V
–
0
0.5
V
2.6
4.5
6.0
V
37
43
49 dB/µV
1.5
1.75
2.0
Vp-p
3.25
3.55
3.85
V
8
8.5
9.0
V
–
0.3
1.0
V
6.8
7.2
7.6
V
4.0
4.4
4.8
V
2.5
2.8
3.1
V
2.5
4.1
4.5
V
28
39
55 mV/kHz
400
600
790 mVrms
0.5
1.6
–
V
0.5
1.1
–
V
0.5
1.9
–
V
3.9
4.5
5.1
V
No. 4037—3/16
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