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參數(shù)資料
| 型號： | LA7577N |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PDIP24 |
| 封裝： | DIP-24 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 354K |
| 代理商： | LA7577N |
LA7577N
No. 4037—2/16
Recommended Operating Conditions at Ta = 25
°C
Electrical Characteristics at Ta = 25
°C, V
CC = 12V
1. Current owing into the IC is positive and current owing out is negative.
Circuit currents1
I1
1mA
I17
10
mA
I21
3mA
I22
2mA
I10
3mA
Operating temperature range
Topg
VCC = 9V, Ta = 20 to +75°C
20 to +70
°C
Storage temperature range
Tstg
55 to +150
°C
Parameter
Symbol
Ratings
Unit
Supply voltage
VCC
9 or 12
V
Operating supply voltage range
VCC op
8.2 to 13.2
V
Parameter
Symbol
Conditions
min
typ
max
Unit
[VIF]
Circuit current
I9
V13 = 5V
44
55
68
mA
Quiescent video output voltage
V21
V13 = 5V
6.6
7
7.4
V
Maximum RF AGC voltage
V10H
V13 = 7V
10.6
11
11.4
V
Minimum RF AGC voltage
V10L
V13 = 7V
–
0
0.5
V
Quiescent AFT voltage
V14
V13 = 5V
3.0
5.9
8.0
V
Input sensitivity
Vi
33
39
45
dB/
μV
AGC dynamic range
GR
59
65
–
dB
Maximum allowable input
Vi max
100
105
–
dB/
μV
Video output amplitude
Vo (video)
1.95
2.25
2.55
Vp-p
Output signal-to-noise ratio
S/N
49
55
–
dB
Sync signal tip voltage
V21 (tip)
Vi = 10mV
4.15
4.45
4.75
V
920kHz beat level
l920
P = 0, C =
4dB, S = 14dB
37
43
–
dB
Frequency characteristic
fC
P = 0, S =
14dB
6
8
–
MHz
Differential gain
DG
Vi = 10mV, 87.5% mod,
fP = 58.75MHz
–36
%
Differential phase
DP
–
2
5
deg
Maximum AFT voltage
V14H
11
11.5
12
V
Minimum AFT voltage
V14L
00.4
1.0
V
White-noise threshold voltage
VWTH
8.9
9.3
9.7
V
White-noise clamp voltage
VWCL
5.3
5.7
6.1
V
Black-noise threshold voltage
VBTH
3.4
3.7
4.0
V
Black-noise clamp voltage
VBCL
5.3
5.7
6.1
V
AFT detector sensitivity
Sf
44
60
84
mV/kHz
VIF-stage input resistance
Ri (VIF)
f = 58.75MHz
0.8
1.3
1.75
k
Ω
VIF-stage input capacitance
Ci (VIF)
f = 58.75MHz
–
3.0
6.0
pF
APC pull-in range (U)
fPU-2
0.6
1.6
–
MHz
APC pull-in range (L)
fPL-2
–
1.6
0.8
MHz
VCO maximum variation range
ΔfU
V18 = 3V
0.6
1.6
–
MHz
ΔfL
V18 = 7V
–
1.6
0.8
MHz
Parameter
Symbol
Conditions
Ratings
Unit
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