NJM3359D

NJM3359 LOW POWER NARROW BAND FM IF ■ GENERAL DESCRIPTION The NJM3359 is a low power narrow band FM detector integrated circuit. for FM dual conversion of communication equipment. The NJM3359 includes oscillator, limiting amplifier, AFC circuit, quadrature detect, operational amplifier, squelch circuit, scan-control and muting switch. The NJM3359 is a circuit of NJM3357 plus one stage limiting IF amplifier and AFC output terminal. ■ PACKAGE OUTLINE NJM3359D ■ FEATURES ● Low Operating Current ● Input Limiting Voltage ● Minimum other parts. ● Package Outline ● Bipolar Technology (3.6mA typ@V+=6V) (2.0µVrms typ@-3dB) DIP18 ■ RECOMMENDED OPERATIONAL CODITION ● Operating Voltage 4 to 9V ■ PIN CONFIGURATION NJM3359D Ver.2003-12-09 -1- NJM3359 ■ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Supply Voltage V+ Input Voltage V18 Muting Function V16 Operating Temperature Range Topr Storage Temperature Range Tstg RATINGS 12 1.0 -0.7 to 12 -40 to 85 -40 to 125 (Ta=25°C) UNIT V Vrms VPK °C °C ■ ELECTRICAL CHARACTERISTICS PARAMETER PIN Operating Current PIN 4,8 Squelch OFF Squelch ON Input Sensitivity (S / N : 20dB) Input Limitting Voltage (-3dB) Mixer Voltage Gain PIN 18 - PIN 3 Open Mixer Intercept Point 50Ω input Mixer Input Resistance Mixer Input Capacitance Recovered Audio Output Voltage Detector Center Frequency Slope PIN 10, VIN=1.0mVrms PIN 10 AFC Center Frequency Slope Filter Gain Squelch Threshold Voltage PIN 11, RL=∞ fIN=10kHz, VIN=5mV PI...