NJW2311 Series
Phase Shifter-less Wide Band FM IF Demodulator IC for Voice

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Package1
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Description

NJW2311 is the IC which has the automatic IF detection of FM modulating signal of the 1.5MHz to 15MHz, that operates from 4.5V, and makes unnecessary such as the phase-shifter which was conventionally required as external parts. An IF amplifier, a FM demodulator and a low noise Op-amplifier are built in. Since high S/N ratio and low distortion characteristics are realized, it is the best for the various FM Receivers of wireless or wired Voice communications.

Applications

  • Wireless microphone (RF/IR)
  • Wireless headphone (RF/IR)
  • Intercom, Door phone

Spec

Standard
Supply Voltage 4.5V to 5.5V
Operating Current Typ. 23 mA
Structure Bi-CMOS Technology
Wide Operating Temperature -40℃ to +85℃
Junction Temp. +125℃
Package SSOP14
Unnecessary External phase shifter CD or IFT
Demodulated Output Frequency Range fmod = 20Hz to 100kHz * External parts modification : up to 300kHz
Excellent electrical characteristics SNR 80dB @fdev = 75kHz THD 0.015% @fdev = 75kHz

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Technical Documents

Quality & Packages

  • Refer to the datasheets for the details on the product.
  • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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