512BBA000439BAG

Overview

The Skyworks Solutions Inc. 512BBA000439BAG is a low-jitter, voltage-controlled crystal oscillator (VCXO) designed for high-performance communication systems. It operates within a frequency range of 122.88 MHz to 122.88 MHz with a tuning range of ±100 ppm. The device features a typical phase noise of -160 dBc/Hz at 10 kHz offset and supports a supply voltage of 1.8 V or 3.3 V. It utilizes a CMOS output format and is housed in a compact 5 mm x 3.2 mm surface-mount package, ensuring reliable signal integrity for data converters and clock distribution networks.

Feature Summary

• Provides ultra-low phase noise performance essential for high-speed data conversion applications.
• Offers wide frequency tuning capability via a single control voltage input.
• Integrates a robust voltage-controlled crystal resonator for stable oscillation under varying conditions.

Applications

• High-speed analog-to-digital and digital-to-analog converter clocking
• Software-defined radio systems requiring precise frequency agility
• Telecommunications infrastructure equipment

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm pinout compatibility and tolerance specifications. Ensure that the required operating temperature range aligns with the industrial or commercial grade variants available. Cross-reference the package dimensions with your PCB footprint library to guarantee mechanical fit during assembly processes.

Selection Notes

Select this component when low jitter and wide tuning range are critical for system performance. Evaluate the phase noise requirements against the application's sensitivity to timing errors. Consider the supply voltage constraints and interface logic levels to ensure seamless integration with existing control circuitry without additional level shifting components.

Part Context

This VCXO belongs to Skyworks' 512BBA series, which focuses on precision timing solutions for demanding RF and microwave applications. The series emphasizes miniaturization and electrical stability, catering to modern portable and base station designs where space and power efficiency are paramount constraints for engineers developing next-generation wireless standards.

Replacement Considerations

Consult official Skyworks substitution guides for direct equivalents. Verify that any alternative part matches the exact frequency, tuning range, and package outline drawing to maintain board compatibility and electrical performance without redesigning the host circuitry.