TYPICAL CHARACTERISTICS
Current Consumption versus Supply Voltage
6
CHARGE SWITCH=ON
5
4
CHARGE SWITCH=OFF
3
2
1
0
0
2
4
6
8
10
Supply Voltage V+(V)
S/N versus Supply Voltage
80 fdev=±100kHz, fmod=1kHz, AM=30%
70
fif=10.7MHz
60
fif=50MHz
50
40
0
2
4
6
8
10
Supply Voltage V+(V)
S+N,N,AMR versus IF Input Level-10.7MHz-
fif=10.7MHz, fdev=±100kHz, fmod=1kHz, AM=30%
0
S+N
-10
-20
-30
-40
AMR
-50
-60
-70
0
N
20 40 60 80 100 120
IF Input Level VinIF(dBuV)
Ver.2006-02-24
NJM2550
Demodulated Signal Level versus Supply Voltage
fdev=±100kHz, fmod=1kHz, VinIF=80dBuV
180
160
140
fif=10.7MHz
120
100
fif=50MHz
80
60
0
2
4
6
8
10
Supply Voltage V+(V)
-3dB Limiting Sensitivisy versus Supply Voltage
fdev=±100kHz, fmod=1kHz, AM=30%
50
40
fif=10.7MHz
30
fif=50MHz
20
10
0
2
4
6
8
10
Supply Voltage V+(V)
S+N,N,AMR versus IF Input Level-50MHz-
fif=50MHz, fdev=±100kHz, fmod=1kHz, AM=30%
0
S+N
-10
-20
-30
AMR
-40
-50
-60
-70
0
N
20 40 60 80 100 120
IF Input Level VinIF(dBuV)
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