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参数资料
| 型号： | LA4524 |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, DIP8 |
| 封装： | 0.300 INCH, DIP-8 |
| 文件页数： | 3/3页 |
| 文件大小： | 88K |
| 代理商： | LA4524 |
LA75710VA
No.A0356-3/10
1st SIF Block (pin 15: 41.25MHz input)
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Conversion gain
VG
S = 40dB
44
48
52
dB
Output level
SO
S = 90dB
100
11
120
dB
V
SIF carrier output level
Gbpf
Reference to SIF input (Pin1)
3
6
9
dB
1st SIF maximum input
Si max
105
110
dB
V
1st SIF input resistance
Ri (SIF)
41.25MHz
2
K
1st SIF input capacitance
Ci (SIF)
41.25MHz
3
PF
SIF Block (pin 1: 4.5MHz input)
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Limiting sensitivity
Vli (lim)
40
46
52
dB
V
FM detector output voltage
VOFM
420
500
600
mVrms
AMR
±25kHz
54
60
dB
Distortion
THD
0.3
0.7
%
SIF S/N
S/N (FM)
65
71
dB
Control Block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
AFT mute level control voltage
V17
2.0
V
IF System Switch
The IF frequency is 45.75MHz when pin 13 is in the A-(1) state, and is 58.75MHz when that pin is in the A-(2) state.
AFT Muting Level
The AFT muting level is the high level when pin 17 is open, and is the middle level (VCC/2) when pin 17 is connected
to ground. * VCC at 5V.
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