AN7280S データシートの表示（PDF） - Panasonic Corporation
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AN7280S Datasheet PDF : 7 Pages
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AN7280S
ICs for FM/AM Tuner
s Absolute Maximum Ratings (Ta=25˚C)
Parameter
Supply Voltage
Supply Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature
Symbol
VCC
ICC
PD
Topr
Tstg
s Recommended Operating Range (Ta=25˚C)
Parameter
Symbol
Operating Supply Voltage Range
VCC
Rating
Unit
9.2
V
50
mA
460
mW
–40 ~ + 85
˚C
–55 ~ + 150
˚C
Range
6.8V ~ 9.2V
s Electrical Characteristics (Ta=25˚C)
Parameter
S/N Ratio
Local Oscillation Level
IF Output Level
AGC Level (L)
AGC Level (H)
Symbol
NOUT
VOSC
VOUT
VAGC (L)
VAGC (H)
Condition
VCC= 8V, Vin=17dBµNo modulation
However, S= output at 400Hz, 30%modulation
VCC= 8V, fOSC= 108.7MHz
Measured by Pin4, No signal input
VCC= 8V, Vin= 51dBµ
VCC= 8V, Vin= 67dBµ
VCC= 8V, Vin= 53dBµ
min.
22
219
41
6
typ.
30
384
58
0.05
6.5
max.
435
82
0.5
Unit
dB
mV
mV
V
V
s Characteristics Curve
Level · Diagram
50
43.5 (max.)
40
30
24.5
20
16.0 (min.)
13.5
10
8.5
0
IFT
IN Mix.
080
0.01µF
IF
IF–Amp. OUT
MS3
330Ω
Input/Output Characteristics
VCC=8V
fin=98MHz
Mod.=22.5kHz
fm=1kHz
IF : AN7256
400Hz HPF ON
0
–20
–40
–60
–80
0
20 40 60 80
Vin (dBµV)
Frequency Change
VCC=8V
fin=1kHz
Mod.=22.5kHz
20
IF : AN7256
15
10
Practical Sensitivity (S/N=30dB)
5
Limiting Sensitivity
0
–5
–10
Residual Noise
–15
88 90 92 94 96 98 100 102 104 106 108
fin (MHz)
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