550AD669M327DGR

Oscillators Overview

The Skyworks 550AD669M327DGR is a single-frequency Voltage-Controlled Crystal Oscillator (VCXO) from the Si550 series. It operates at a fixed frequency of 669.327 MHz with an LVPECL output format. The device supports a control voltage range for frequency tuning and features an enable/disable pin. It functions within a supply voltage range of 2.97 V to 3.63 V, typically using 3.3 V. The component is housed in a 7 mm x 5 mm surface-mount package with a height of 1.8 mm. It operates between -40°C and +85°C.

Oscillators Feature Summary

• Single frequency VCXO operation with integrated tuning capability
• LVPECL differential output format for high-speed signal integrity
• Integrated enable/disable control function for power management
• Compact 7 mm x 5 mm surface-mount package design

Oscillators Applications

• High-speed serial communication interfaces requiring precise clocking
• Data acquisition systems needing stable frequency references
• Telecommunications equipment utilizing LVPECL signaling standards
• Test and measurement instruments requiring low-jitter oscillators

Oscillators Procurement Notes

Verify the specific part number suffix against official Skyworks documentation to confirm the exact output configuration and packaging type. Ensure that the ordering information matches the required LVPECL output and 3.3V supply specifications. Confirm availability through authorized distributors as lead times may vary. Cross-reference the datasheet revision date to ensure compliance with current manufacturing standards.

Oscillators Selection Notes

Select this component when a fixed 669.327 MHz frequency with LVPECL outputs is required. Consider the Si550 series for its compact form factor and low jitter performance. Evaluate power consumption requirements against the typical operating current. Ensure the application environment stays within the specified -40°C to +85°C temperature range. Compare with other Si550 variants if different frequencies or output formats are needed.

Oscillators Part Context

This oscillator belongs to the Si550 family of single-frequency VCXOs from Skyworks Solutions. The family offers various frequencies and output options including CMOS, LVDS, and LVPECL. These components are designed for applications demanding small size and low power consumption. The Si550 series provides flexibility in system design through configurable enable pins and standard surface-mount packaging suitable for automated assembly processes.

Oscillators Replacement Considerations

Check Skyworks documentation for direct substitutes within the Si550 series offering the same 669.327 MHz frequency and LVPECL output. Verify pin compatibility and electrical parameters before substitution. Other Skyworks VCXO families may require circuit modifications due to differing pinouts or voltage requirements.