NJM3357
-1-
Ver.2003-12-09
LOW POWER NARROW BAND FM IF
■ GENERAL DESCRIPTION ■ PACKAGE OUTLINE
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 (3.0mA typ. @V+=6V)
● Minimum other parts.
● Package Outline DIP16, DMP16
● Bipolar Technology
■ PIN CONFIGURATION
■ BLOCK DIAGRAM
NJM3357D NJM3357M
NJM3357D
NJM3357M
NJM3357D
NJM3357M
NJM3357
- 2 - Ver.2003-12-09
■ ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V+ 12 V
Operating Supply Voltage Range V+opr 4 to 8 V
Detector Input Voltage V8 1.0 VP-P
Input Voltage (V+≥6V) V16 1.0 Vrms
Mute Function V14 -0.5 to 5.0 VPK
Operating Temperature Range Topr -40 to +85 °C
Storage Temperature Range Tstg -40 to +125 °C
■ ELECTRICAL CHARACTERISTICS (V+=6V, fO=10.7MHz, ∆f=±3.0kHz, Fmod=1.0kHz, Ta=25°C)
PARAMETER PIN MIN. TYP. MAX. UNIT
Operating Current 4
Squelch OFF - 2.0 - mA
Squelch ON - 3.0 5.0 mA
Input Limitting Voltage (-3dB Limitting) 16 - 5.0 10.0 µV
Detector Output Voltage 9 - 3.0 - V
Detector Output Impedance - - 400 - Ω
Recovered Audio Output Voltage (VIN=10mVrms) 9 200 350 - mVrms
Filter Gain (f=10kHz, VIN=5mVrms) - 40 46 - dB
Filter Output Voltage 11 1.8 2.0 2.5 V
Trigger Hysterisis - - 100 - mV
Mute Function Low 14 - 15 50 Ω
Mute Function High 14 1.0 10 - MΩ
Scan Function Low (Mute OFF V12=2V) 13 - 0 0.5 V
Scan Function High (Mute ON V12=0V) 13 5.0 - - V
Mixer Conversion Gain 3 - 20 - dB
Mixer Input Resistance 16 - 3.3 - kΩ
Mixer Input Capacitance 16 - 2.2 - pF
■ TEST CIRCUIT
NJM3357
-
3
-
Ver.2003-12-09
■ 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.
