PE64905MLBB-Z

Overview

The PE64905MLBB-Z is a general-purpose RF digitally tunable capacitor manufactured by pSemi. It operates within a frequency range of 100MHz to 3GHz and features an I2C interface for digital control. The component is housed in a 10-QFN (2x2) surface-mount package, specifically designated as 10-XFQFN. This device belongs to the UltraCMOS® and DuNE™ series, designed for applications requiring precise capacitance tuning in radio frequency circuits.

Feature Summary

• Digital tuning capability via I2C interface
• UltraCMOS technology integration
• General-purpose RF application design

Applications

• RF circuit tuning
• Antenna matching networks
• Wireless communication systems

Procurement Notes

Verify component status carefully as this part is officially discontinued. Confirm availability through authorized distributors or secondary markets if sourcing is required. Check datasheets for any product change notices or replacement recommendations from pSemi before finalizing procurement plans.

Selection Notes

Consider the operating frequency range of 100MHz to 3GHz when evaluating suitability for specific RF designs. Ensure the I2C interface compatibility with the host controller. Evaluate the 10-QFN package dimensions against PCB layout constraints. Review the discontinuation status for long-term supply chain implications.

Part Context

This component is part of the PE64905 family, utilizing pSemi's proprietary UltraCMOS process. It serves as a digitally controlled variable capacitor, replacing traditional mechanical varactors in modern RF front-end modules. The device supports standard I2C communication protocols for configuration.

Replacement Considerations

pSemi has announced the discontinuation of the PE64905 series, including the PE64905MLBB-Z ordering code. Designers should consult official documentation for potential replacement parts or updated product lines that offer similar functionality and specifications.