LMX3150TMX

Overview

The LMX3150TMX is a Phase-Locked Loop (PLL) frequency synthesizer manufactured by National Semiconductor. Designed for RF applications, it supports DCS, GSM, and PCS standards with an operating frequency up to 2GHz. The device operates on a supply voltage range of 2.7V to 5.5V. It is housed in a 28-TSSOP package with a width of 4.40mm. This component functions as an RF IC synthesizer suitable for wireless communication systems requiring precise frequency generation.

Feature Summary

• Integrated PLL frequency synthesizer architecture
• Supports DCS, GSM, and PCS radio standards
• Operates within 2.7V to 5.5V supply range
• Available in 28-TSSOP surface-mount package

Applications

• DCS mobile communication systems
• GSM base station and handset designs
• PCS wireless infrastructure equipment

Procurement Notes

Verify the manufacturer part number LMX3150TMX against official National Semiconductor documentation to confirm authenticity. Ensure the package type matches the required 28-TSSOP specification. Check that the supply voltage requirements align with your system design constraints before integration. Confirm active status through authorized distribution channels.

Selection Notes

Select this component when designing RF front-ends for DCS, GSM, or PCS applications requiring a dedicated frequency synthesizer. The 2GHz maximum frequency and wide supply voltage range offer flexibility in power management. Consider the 28-TSSOP footprint for PCB layout compatibility. Verify thermal performance and signal integrity requirements for the specific wireless standard being implemented.

Part Context

This component belongs to the National Semiconductor RF IC family, specifically categorized under frequency synthesizers. It serves as a critical building block for generating stable carrier frequencies in cellular communication devices. The TSSOP packaging facilitates automated assembly processes in modern electronics manufacturing environments.

Replacement Considerations

Consult official datasheets for direct pin-compatible substitutes from National Semiconductor or equivalent manufacturers. Verify electrical parameters such as phase noise and output frequency range match original specifications. Ensure package dimensions remain identical for board-level interchangeability without redesign.