NJM3357M

Overview

The NJM3357M is an RF integrated circuit manufactured by Nisshinbo Micro Devices Inc., designed for narrow-band FM intermediate frequency (IF) applications. It integrates multiple functions including an oscillator, mixer, discriminator, and active filter within a single package. The component supports operation at standard IF frequencies of 10.7MHz and 455kHz, targeting cellular and PCS mobile phone systems. It is housed in a 16-DMP surface-mount package with a width of 5.30mm.

Feature Summary

• Integrates oscillator, mixer, discriminator, and active filter functions
• Optimized for low power consumption and high sensitivity
• Designed for narrow-band FM IF signal processing

Applications

• Cellular mobile phone systems
• PCS (Personal Communications Service) devices
• FM receiver front-end modules

Procurement Notes

Verify the specific suffix (e.g., -TE1) against the required reel or tube packaging configuration. Confirm RoHS compliance status as indicated in the official datasheet. Check product status, as some listings indicate this part may be obsolete. Ensure the 16-DMP package dimensions match the PCB footprint requirements before procurement.

Selection Notes

Select this component for designs requiring a compact solution for FM-IF processing in mobile communications. Consider the 10.7MHz and 455kHz frequency support when matching local oscillator and filter stages. Evaluate the 16-DMP package constraints for surface mount assembly. Verify that the integrated active filter characteristics meet the system's selectivity requirements without external components.

Part Context

This IC belongs to the RF/IF and RFID category, specifically under wireless and radio frequency integrated circuits. It serves as a specialized solution for narrow-band applications in consumer electronics. The manufacturer, Nisshinbo Micro Devices Inc., produces this device for the mobile communication sector, focusing on integration and efficiency.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer for current alternatives if this part is marked obsolete.