AN7273 데이터 시트보기 (PDF) - Panasonic Corporation
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AN7273 Datasheet PDF : 5 Pages
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AN7273, AN7273S
s Pin Descriptions
Pin No.
Pin Name
1 FM IF Input
2 AM Supply/Mute Adjustment
3 AM RF Input
4 AM Mixer Output
5 AGC Output (2)
6 AGC Output (1)
7 AM IF Input
8 IF By-pass
9 IF By-pass
Pin No.
Pin Name
10 AM Detection Output
11 GND
12 FM Detection Coil
13 AF Output
14 VCC
15 Level Meter Output
16 AFC Output
17 Reference Voltage
18 Local Oscillation Coil
ICs for FM/AMTuner
s Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Rating
Unit
Supply Voltage
VCC
14.4
V
Supply Current
ICC
30
mA
AN7273
Power Dissipation
PD
AN7273S
317 *1
mW
210 *2
AN7273
–20 ~ + 75
Operating Ambient Temperature
Topr
˚C
AN7273S
–20 ~ + 75
AN7273
–55 ~ + 150
Storage Temperature
Tcsg
˚C
AN7273S
–55 ~ + 125
*1 Ta = 25˚C, *2 Ta = 75˚C
s Recommended Operating Range (Ta = 25˚C)
Parameter
Operating Supply Voltage Range
Symbol
VCC (opr)
Range
3 ~ 12V
s Electrical Characteristics (VCC= 5V, Ta= 25˚C)
Parameter
Symbol
Condition
Total Circuit Current
Demodulation Output Level
Itot
DC measurement
VO
Vi =80dBµ
Limiting Sensitivity
FM
Muting Sensitivity
Vi (lim)
Vi (Mute)
Level Meter Driving Output (1) V15–11
Level Meter Driving Output (2) V15–11
Total Circuit Current
Itot
Input at VO = –3dB
Input at VO =more than –20dB
Vi =70dBµ
Vi =100dBµ
DC measurement
Detection Output Level
VO
AM Max. Sensitivity
Smax.
Level Meter Driving Output (1) V15–11
Level Meter Driving Output (2) V15–11
Vi =80dBµ
Input at VO =10mV
Vi = –10dBµ
Vi =80dBµ
Note) Unless otherwise specified, fi =10.7MHz, Mod. = 22.5kHz, fm = 400Hz (FM)
fi =1MHz, Mod. = 30%, fm = 400Hz (AM)
min.
9
75
43.5
55
0.61
1.14
8
60
4
0
1.12
typ.
14
100
46
64
0.8
1.26
13
80
9.5
1.25
max.
20
125
49.5
73
1.1
1.42
19
100
15
130
1.38
Unit
mA
mV
dBµ
dBµ
V
V
mA
mA
dBµ
mV
V
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