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| 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.2003-11-19 -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 + (Ta=25C) RATINGS 12 4 to 8 1.0 1.0 -0.5 to 5.0 -40 to +85 -40 to +125 UNIT V V VP-P Vrms VPK C C V + + SYMBOL V opr V8 V16 V14 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 (VIN=10mVrms) Filter Gain (f=10kHz, VIN=5mVrms) Filter Output Voltage Trigger Hysterisis Mute Function Low Mute Function High Scan Function Low (Mute OFF V12=2V) Scan Function High (Mute ON V12=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, fO=10.7MHz, f=3.0kHz, Fmod=1.0kHz, Ta=25C) 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 V V mVrms dB V mV M V V dB k pF TEST CIRCUIT -2- Ver.2003-11-19 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.2003-11-19 -3- |
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