590QB-CDG

Programmable Oscillators Overview

The Skyworks Solutions Inc. 590QB-CDG is a programmable standard clock oscillator from the Si590 series, designed for general-purpose applications requiring precise timing signals. It operates within a frequency range of 10 MHz to 810 MHz and delivers a CML output format. The device functions on a single 3.3 V supply voltage and features an enable pin configuration compatible with pin 2 (or pin 1 for CMOS variants). Packaged in a compact 7 mm x 5 mm surface-mount footprint, it supports frequencies up to 810 MHz with a typical frequency stability of 25 PPM. The component is RoHS compliant and suitable for industrial temperature ranges.

Programmable Oscillators Feature Summary

• Programmable frequency generation capability across a wide 10 MHz to 810 MHz range
• CML output interface for high-speed digital signaling
• Compact 7 mm x 5 mm SMD package design
• Single 3.3 V power supply operation

Programmable Oscillators Applications

• General-purpose clock distribution systems
• High-speed data communication interfaces
• Network equipment timing references
• Test and measurement instrumentation

Programmable Oscillators Procurement Notes

Verify the exact output format and enable pin configuration against the official datasheet before integration, as variations exist within the Si590 family. Confirm that the CML output level matches your receiver input requirements. Ensure the programming tool or initial frequency setting meets your specific application needs, as this is a programmable device rather than a fixed-frequency crystal oscillator.

Programmable Oscillators Selection Notes

Select the 590QB-CDG when a programmable solution with CML outputs is required for frequencies between 10 MHz and 810 MHz. Consider the 25 PPM stability specification for applications demanding moderate precision. Evaluate the 7 mm x 5 mm package dimensions against your PCB layout constraints. Compare against other Si590 variants if LVDS or CMOS outputs are more suitable for your specific load conditions.

Programmable Oscillators Part Context

This component belongs to the Skyworks Si590 series of standard oscillators, which offers flexible programmability for various timing applications. The series provides multiple output formats including CML, LVDS, and CMOS within a consistent small form factor. The 590QB-CDG specifically targets designs needing CML signaling capabilities with programmable frequency control, fitting into the broader portfolio of general-purpose clock generators.

Programmable Oscillators Replacement Considerations

Direct substitutes within the same series include other 590QB variants with different frequency settings or output types. Cross-reference part numbers like 590CC, 590AC, or 590BB series devices if fixed frequencies or different output formats such as CMOS or LVDS are acceptable alternatives. Always verify pin compatibility and electrical specifications before substitution.