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參數(shù)資料
| 型號： | LA1265 |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP22 |
| 封裝： | SDIP-22 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大小： | 705K |
| 代理商： | LA1265 |
LA1265
No. 1820- 2/15
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operating voltage
VCC
8.5
V
Operating voltage range
VCC op
6 to 14
V
Electrical Characteristics at Ta = 25
°C, VCC = 8.5V, See specified Test Circuit
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
AM : f = 1MHz
Quiescent current
ICCO
No input
18
26
mA
VO1
VIN = 20dBμ, 400Hz, 30% mod.
30
50
90
mV
Detection output
VO2
VIN = 80dBμ, 400Hz, 30% mod.
110
160
220
mV
S/N1
VIN = 20dBμ
16
20
dB
S/N
S/N2
VIN = 80dBμ
49
54
dB
THD1
VIN = 80dBμ, 400Hz, 30% mod.
0.3
1.0
%
Total harmonic distortion
THD2
VIN = 107dBμ, 400Hz, 30% mod.
0.5
2.0
%
VSM 1
No input
0
0.2
V
Signal meter output
VSM 2
VIN = 80dBμ
2.4
2.8
3.1
V
LED lighting sensitivity
VLED on
ILED = 1mA
15
24
33
dB
μ
Local OSC buffer output
VOSC
fOSC = 1.45MHz
220
275
330
mV
FM : f = 10.7MHz
Quiescent current
ICCO
No input
20
28
mA
Input limiting sensitivity
3dBL.S.
3dB down, 400Hz, 100% mod.
31
37
dB
μ
Demodulation output
VO
VIN = 10dBμ, 400Hz, 100% mod.
240
330
460
mV
S/N
VIN = 100dBμ
78
84
dB
Total harmonic distortion
THD
VIN = 100% dBμ, 400Hz, 100% mod.
0.03
0.3
%
VSM 1
No input
0
0.2
V
Signal meter output
VSM 2
VIN = 100dBμ
1.5
2.7
3.1
V
LED lighting sensitivity
LED-on
ILED = 1mA
35
50
65
dB
μ
LED lighting bandwidth
LED-BW
VIN = 100dB, ILED = 1mA
90
120
160
kHz
AM rejection ratio
AMR
VIN = 100dBμ, FM = 400Hz
100% mod. AM = 1kHz 30% mod.
45
60
dB
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