NJM2552 JRC, NJM2552 Datasheet - Page 10

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

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Ver.2006-11-06
Pin No.
18
19
20
Note :
1.
2.
Pin 1,2,3,5,6,7,8,9,10,11,12,13,14,15,16,17,18,20
ESD protection diodes exist between each of the following pins and V
Pin 1,2,3,5,6,7,8,9,10,11,12,13,14,16,17,18,20
ESD protection diodes also exist between each of the following pins and ground.
AM AGC IN
SYMBOL
MIX IN
V+
20
GND
V+
18
3.6k
V+
GND
EQUIVARENT CIRCUIT
1k
50
25u
1k
-
1k
25u
3.6k
25p
1.51
0.92
VOLTAGE
1.46V
0.94V
-
+
.
Gain Control of AGC Circuit for
AM Signal
Pin 18 is connected with pin 14
through the external ripple filter of
R and C.
Supply Voltage
Mixer Input
The mixer is designed to work up
to 100MHz with the typical input
impedance of RinM = 3.6kΩ and
CinM = 3.2pF(at 10.7MHz).
FUNCTION
NJM2552
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