512ABA000439AAGR

Overview

The Skyworks Solutions Inc. model 512ABA000439AAGR is a low-jitter, voltage-controlled crystal oscillator (VCXO) designed for high-performance timing applications. It operates at a fundamental frequency of 125 MHz with a typical phase noise of -148 dBc/Hz at 10 kHz offset. The device features a tuning range of ±100 ppm and supports a control voltage input from 0 V to 3.3 V. It is housed in a compact 5 mm x 3.2 mm surface-mount package, ensuring reliable operation across an industrial temperature range of -40°C to +85°C while consuming minimal power.

Feature Summary

• Ultra-low phase noise performance optimized for sensitive RF front-ends
• Wide tuning range capability supporting flexible system clocking requirements
• Compact surface-mount footprint suitable for space-constrained designs

Applications

• High-speed serial transceivers requiring precise clock recovery
• Telecommunications base station synchronization modules
• Test and measurement equipment demanding stable frequency references

Procurement Notes

Verify the complete part number against official Skyworks documentation to ensure correct suffix alignment. Confirm that the specific ordering code matches the required tolerance, package type, and lead-free status. Cross-reference the datasheet revision date to validate current specifications before finalizing procurement orders.

Selection Notes

Select this component when low jitter and wide tuning range are critical for signal integrity. Ensure the control voltage interface aligns with the system's DAC or PLL output capabilities. Verify thermal management requirements for the specified operating temperature range during PCB layout planning.

Part Context

This VCXO belongs to Skyworks' 512ABA series, which targets high-frequency timing solutions. It complements other oscillators in the lineup by offering enhanced tuning flexibility compared to fixed-frequency variants. The series is engineered for robust performance in demanding digital communication environments.

Replacement Considerations

Check Skyworks official substitution guides for direct pin-compatible alternatives. Verify that any substitute maintains identical frequency, tuning range, and phase noise specifications. Ensure mechanical dimensions and electrical characteristics match the original design constraints.