LOW POWER NARROW BAND FM IF
NJM3357
LOW POWER NARROW BAND FM IF
■ GENERAL DESCRIPTION The NJM3357 includes Oscillator, Mixer, Limiting Amplifier
Q...
Description
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
(3.0mA typ. @V+=6V) DIP16, DMP16
■ PIN CONFIGURATION
■ PACKAGE OUTLINE NJM3357D
NJM3357M
■ BLOCK DIAGRAM
NJM3357D NJM3357M
NJM3357D NJM3357M
Ver.2003-12-09
-1-
NJM3357
■ ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Operating Supply Voltage Range
SYMBOL V+
V+opr
Detector Input Voltage
V8
Input Voltage (V+≥6V)
V16
Mute Function
V14
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
RATINGS 12
4 to 8 1.0 1.0 -0.5 to 5.0 -40 to +85 -40 to +125
(Ta=25°C)
UNIT V V VP-P
Vrms VPK °C °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
Squelch ON
Input Limitting Voltage (-3dB Limitting)
16
Detector Output Voltage
9
Detector Output Impedance
-
Recovered Audio Output Voltage (VIN=10mVrms)
9
Filter Gain (f=10kHz, VIN=5mVrms)
-
Filter Output Voltage
11
Trigger Hysterisis
-
Mute Function Low
14
Mute Function High
14
Scan Function Low (Mute OFF V12=2V)
13
Scan Function High (Mute ON V12=0V)
13
Mixer Conversion Gain
3
Mixer Input Resistance
16
M...
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