Continued from preceding page.
Parameter
Symbol
Sf
Ri (VIF)
Ci (VIF)
f
PU
-2
f
PL
-2
f
U
f
L
β
V
O
(SIF)
Conditions
min
50
0.8
typ
70
1.3
3.0
1.6
–1.6
1.6
–1.6
3.1
170
max
100
1.75
6.0
Unit
mV/kHz
k
pF
MHz
MHz
MHz
MHz
kHz/mV
mVrms
AFT detection sensitivity
VIF input resistance
VIF input capacity
APC pull-in range (U)
APC pull-in range (L)
f = 58.75 MHz
f = 58.75 MHz
S1 = ON
S1 = ON
V
18 = 3 V, S1 = ON
V
18 = 7 V, S1 = ON
V
18 = 5 V to 4.6 V
P/S = 20 dB
0.6
–0.8
VCO maximum variable range
0.6
–0.8
6.2
240
VCO control sensitivity
SIF output signal voltage
[SIF Block] : V13 = 5 V
SIF limiting sensitivity
FM detection output voltage
AMR
Distortion
SIF S/N
[Mute Defeat]
AFT defeat start voltage
AV mute
FM mute
AFT defeat voltage
1.5
120
Vi (lim)
V
O
AMR
THD
S/N (SIF)
33
600
49
0.5
78
39
790
dB/μV
mVrms
dB
%
dB
400
40
1.0
60
VD
11
V
4TH
V
2TH
VD
14
0.5
0.5
0.5
5.4
2.3
1.9
2.0
V
V
V
V
6
6.6
Operating Characteristics
at Ta = 25°C, V
CC
= 9 V
Parameter
Symbol
Conditions
min
typ
max
Unit
[VIF Block]
Circuit current
No-signal video output voltage
Maxinum RF AGC voltage
Mininum RF AGC voltage
No-signal AFT output voltage
Input sensitivity
Video output amplifude
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 detection sensitivity
SIF output signal voltage
[SIF Block]
FM detection output voltage
[Mute defeat voltage]
AFT defeat start voltage
AV mute
FM mute
AFT defeat voltage
I
9
V
13
= 5 V, S1 = ON
V
13
= 5 V, S1 = ON
V
13
= 7 V, S1 = OFF
V
13
= 7 V, S1 = ON
V
13
= 5 V, S1 = ON
S1 = OFF
S1 = OFF
Vi = 10 mV, S1 = ON
36
5.0
7.6
41
5.4
49
5.8
8.4
0.5
6.0
49
2.0
3.85
9.0
1.0
7.6
4.8
3.1
4.5
60
180
mA
V
V
V
V
dB/μV
Vp-p
V
V
V
V
V
V
V
mV/kHz
mVrms
V
21
V
10H
V
10L
V
14
Vi
8
0
2.6
37
1.5
3.25
4.5
43
1.75
3.55
8.5
0.3
7.2
4.4
2.8
4.1
43
130
V
O
(video)
V
21
(tip)
V
14H
V
14L
V
WTH
V
WCL
V
BTH
V
BCL
Sf
V
O
(SIF)
8
6.8
4.0
2.5
3.7
30
90
S1 = ON
S1 = ON
P/S = 20 dB
V
O
V
13
= 5 V
400
600
790
mVrms
VD
11
V
4TH
V
2TH
VD
14
0.5
0.5
0.5
3.9
1.6
1.1
1.9
4.5
V
V
V
V
5.1
LA7578N
No.4037-3/18