549CAJC001983ABG

Pin ConfigurableSelectable Oscillators Overview

The Skyworks Solutions Inc. 549CAJC001983ABG is an Ultra Si549 series programmable oscillator featuring I2C interface control and ULJ technology. It operates as a CMOS XO (Standard) with selectable output frequencies, including 25 MHz. The device supports a frequency range of 0.2 to 1500 MHz and utilizes an 8-SMD, No Lead package. It functions at a supply voltage of 2.5V and includes enable/disable functionality for power management.

Pin ConfigurableSelectable Oscillators Feature Summary

• I2C programmable frequency generation via ULJ technology
• CMOS standard output format
• Enable/disable control capability

Pin ConfigurableSelectable Oscillators Applications

• General clock distribution in electronic systems
• Data communication equipment timing
• Industrial control system synchronization

Pin ConfigurableSelectable Oscillators Procurement Notes

Verify the specific part number suffix against official Skyworks documentation to confirm exact electrical characteristics and pinout configuration. Ensure compatibility with the target I2C bus speed and logic levels. Confirm that the 8-SMD no-lead package dimensions align with the PCB footprint requirements. Check for any recent lifecycle status updates or obsolescence notices from the manufacturer before finalizing procurement plans.

Pin ConfigurableSelectable Oscillators Selection Notes

Select this component when a precise, programmable clock source is required with low jitter performance typical of the Ultra Si549 series. Consider the 2.5V supply requirement and CMOS output drive strength for direct interfacing with digital loads. Evaluate the need for I2C configurability versus fixed-frequency alternatives based on system flexibility requirements and design complexity constraints.

Pin ConfigurableSelectable Oscillators Part Context

This model belongs to the Skyworks Ultra Si549 family of programmable oscillators. These devices are designed to replace multiple fixed-frequency crystals and oscillators with a single configurable solution. The series emphasizes high performance, low phase noise, and flexible frequency selection through digital interfaces, supporting diverse applications requiring precise timing signals.

Pin ConfigurableSelectable Oscillators Replacement Considerations

Direct replacements within the Si549 family may require verification of identical pinouts and electrical specifications. Cross-reference alternative part numbers using Skyworks' online tools to ensure functional equivalence regarding frequency range, package type, and output format.