AN7280S
s
Absolute Maximum Ratings
(Ta=25˚C)
Parameter
Supply Voltage
Supply Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature
Symbol
V
CC
I
CC
P
D
T
opr
T
stg
Rating
9.2
50
460
–40 ~ + 85
–55 ~ + 150
ICs for FM/AM Tuner
Unit
V
mA
mW
˚C
˚C
s
Recommended Operating Range
(Ta=25˚C)
Parameter
Operating Supply Voltage Range
Symbol
V
CC
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
N
OUT
V
OSC
V
OUT
V
AGC (L)
V
AGC (H)
Condition
V
CC
= 8V, V
in
=17dBµNo modulation
However, S= output at 400Hz, 30%modulation
V
CC
= 8V, f
OSC
= 108.7MHz
Measured by Pin4, No signal input
V
CC
= 8V, V
in
= 51dBµ
V
CC
= 8V, V
in
= 67dBµ
V
CC
= 8V, V
in
= 53dBµ
6
min.
22
219
41
typ.
30
384
58
0.05
6.5
435
82
0.5
max.
Unit
dB
mV
mV
V
V
s
Characteristics Curve
Level · Diagram
50
43.5 (max.)
40
Level (dB)
0
30
20
13.5
AF
OUT
(dB)
10
0
8.5
–40
24.5
16.0 (min.)
–20
V
in
(dBµV)
V
CC
=8V
f
in
=98MHz
Mod.=22.5kHz
f
m
=1kHz
IF : AN7256
400Hz HPF ON
20
15
10
5
0
–5
–10
–15
–80
0
20
40
V
in
(dBµV)
60
80
88 90 92 94 96 98 100 102 104 106 108
f
in
(MHz)
Residual Noise
Practical Sensitivity (S/N=30dB)
Input/Output Characteristics
Frequency Change
V
CC
=8V
f
in
=1kHz
Mod.=22.5kHz
IF : AN7256
Limiting Sensitivity
IFT
IN
Mix.
080
MS3
0.01µF
IF–Amp.
330Ω
IF
OUT
–60
PANASONIC [ PANASONIC SEMICONDUCTOR ]
