NJM2552 JRC, NJM2552 Datasheet - Page 3

• Manufacturer Part Number: NJM2552
• Description: FM IF Demodulator IC / SSOP20
• Manufacturer: JRC

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Ver.2006-11-06
FM IF Amp. Input Impedance
RSSI Output Voltage 1
RSSI Output Voltage 2
RSSI Output Voltage 3
FM IF Amplifier
RF AGC Output Voltage
[AM IF Section]
Demodulated Output Level 2
Total Harmonic Distortion 2
Total Harmonic Distortion 3
Signal to Noise Ratio 2
Demodulated Output Deviation
AM IF Amplifier Input Impedance
[AMP Section]
Amplifier Gain
AM SW pin select mode
0.8V to V
0V to 0.3V(LOW)
Control Voltage
PARAMETER
+
(HIGH)
FM section
SYMBOL
R i n F M I F
F M I F G V
R i n A M I F
V r ss i 2
V r ss i 3
T H D 2
T H D 3
V r ss i 1
D V o d
V AGC
V o d 2
S / N 2
On
On
G v
DC value
FM IF input, Circuit4
No input signal
FM IF input, Circuit4
VinIF=60dBuV
FM IF input, Circuit4
VinIF=100dBuV
FM IF input, Circuit4
FM IF input, Circuit4
VinIF =80dBuV
AM SW=HIGH
AM IF input, Circutit4
VinIF =80dBuV
AGC On
AM IF input, Cricuit4
VinIF =60dBuV
AGC On
AM IF input, Cricuit4
VinIF =60dBuV,AM80%
AGC On
AM IF input, Circutit4
VinIF =80dBuV
AGC On
AM IF input, Cricuit4
VinIF =80 to 90dBuV
AGC On
DC value
31kHz, Circuit 3
CONDITIONS
AM section
On
Off
0.75
MIN.
1.2
0.8
1.8
42
40
8
-
-
-
-
-
1.05
±1.5
Other sections
120
TYP.
1.8
0.1
1.1
2.1
60
44
10
47
1
2
On
On
NJM2552
MAX.
1.35
2.4
0.4
1.4
2.4
85
12
3
4
-
-
-
mVrms
UNIT
kΩ
dB
dB
kΩ
dB
dB
%
%
V
V
V
V
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