NJM3357
LOW POWER NARROW BAND FM IF
■
GENERAL DESCRIPTION
The
NJM3357
includes Oscillator, Mixer, Limiting Amplifier
Quadrature Discriminator, Active Filter, Squelch Scan Control,
and Mute Switch. The
NJM3357
is designed for use in FM dual
conversion communication equipment.
■
FEATURES
●
Low Operating Current
●
Minimum other parts.
●
Package Outline
●
Bipolar Technology
■
PIN CONFIGURATION
■
PACKAGE OUTLINE
(3.0mA typ. @V
+
=6V)
DIP16, DMP16
NJM3357D
NJM3357M
NJM3357D
NJM3357M
■
BLOCK DIAGRAM
NJM3357D
NJM3357M
Ver.2003-12-09
-1-
NJM3357
■
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Operating Supply Voltage Range
Detector Input Voltage
Input Voltage (V
≥6V)
Mute Function
Operating Temperature Range
Storage Temperature Range
+
(T
a
=25°C)
RATINGS
12
4 to 8
1.0
1.0
-0.5 to 5.0
-40 to +85
-40 to +125
UNIT
V
V
V
P-P
Vrms
V
PK
°C
°C
V
+
+
SYMBOL
V opr
V
8
V
16
V
14
Topr
Tstg
■
ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Current
Squelch OFF
Squelch ON
Input Limitting Voltage (-3dB Limitting)
Detector Output Voltage
Detector Output Impedance
Recovered Audio Output Voltage (V
IN
=10mVrms)
Filter Gain (f=10kHz, V
IN
=5mVrms)
Filter Output Voltage
Trigger Hysterisis
Mute Function Low
Mute Function High
Scan Function Low (Mute OFF V
12
=2V)
Scan Function High (Mute ON V
12
=0V)
Mixer Conversion Gain
Mixer Input Resistance
Mixer Input Capacitance
PIN
4
16
9
-
9
-
11
-
14
14
13
13
3
16
16
(V
+
=6V, f
O
=10.7MHz,
∆f=±3.0kHz,
Fmod=1.0kHz, T
a
=25°C)
MIN.
-
-
-
-
-
200
40
1.8
-
-
1.0
-
5.0
-
-
-
TYP.
2.0
3.0
5.0
3.0
400
350
46
2.0
100
15
10
0
-
20
3.3
2.2
MAX.
-
5.0
10.0
-
-
-
-
2.5
-
50
-
0.5
-
-
-
-
UNIT
mA
mA
µV
V
Ω
mVrms
dB
V
mV
Ω
MΩ
V
V
dB
kΩ
pF
■
TEST CIRCUIT
-2-
Ver.2003-12-09
NJM3357
■
TYPICAL CHARACTERISTICS
Input - Output
Local OSC Frequency
Mixer Input - Output
Demodulator Output Level
Demodulator Output Level, S / N
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
Ver.2003-12-09
-3-
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