Now in Stock: SI32280-A-FMR | Dual FXS ProSLIC® Device from Silicon Labs | Brand New, Fully Traceable, and Ready to Ship!
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The SI32280-A-FMR from Silicon Labs is a dual-channel ProSLIC® device designed for analog telephony interfaces in VoIP and communication systems. If you’re building voice-enabled systems and need consistent performance with efficient power handling, this is a strong option.
This device integrates two complete FXS (foreign exchange station) channels in a single package, helping reduce board space while simplifying design. It also includes built-in DC-DC converter control and wideband audio support, making it well-suited for modern voice applications where performance and efficiency matter.
Here’s what you’re getting with this part.
Key Features of the SI32280-A-FMR
A dual FXS device designed for telephony systems
It integrates two complete FXS channels into a single package, helping reduce component count and simplify system design.
It supports wideband voice for better audio quality
It enables quick routing and filtering decisions, helping improve overall system performance.
It has built-in dc-dc converter control
It automatically generates the required battery voltage for different line states, improving efficiency and reducing heat.
It is designed for low power consumption
Optimised to minimise power usage while maintaining stable and reliable performance.
It includes integrated diagnostics and testing features
Built-in DSP and monitoring capabilities help with system testing and troubleshooting.
It supports flexible digital interfaces
Compatible with PCM, SPI, and ISI interfaces, making integration easier across different system designs.
Applications of the SI32280-A-FMR
This part is typically used in:
- VoIP gateways and routers
- xDSL integrated access devices (IADs)
- Optical network terminals (ONT/ONU)
- Analog terminal adapters (ATA)
- Private branch exchange (PBX) systems
- Wireless and broadband communication equipment
FAQ: Why Source the SI32280-A-FMR from Component Sense?
Here are the most common questions procurement teams ask when sourcing the Silicon Labs SI32280-A-FMR:
Are the components brand new and fully traceable?
Yes. All our stock is brand new, unused, and fully traceable back to tier-one OEM or EMS partners. We don’t deal in refurbished parts.
How does Component Sense ensure the authenticity of its components?
Every component undergoes our inspection process, developed in collaboration with leading Scottish universities. We guarantee form, fit, and function, and include a 12-month warranty.
Do you stock other components?
We hold over $1 billion worth of excess and obsolete inventory, updated regularly so you can source parts quickly and keep production moving.
Our inventory is available for browsing here.
How quickly can you ship the SI32280-A-FMR?
This part ships from the UK, with same-day dispatch available. We also aim to provide quotes within an hour and maintain an on-time delivery rate of 95%+.
Does Component Sense support sustainable purchasing?
Yes. By redistributing excess components, we help reduce electronic waste and extend product lifecycles. For Earth Day this April, we’re also planting 10 trees for every order placed this month.
Why should I source the SI32280-A-FMR from Component Sense?
Because you get traceable, reliable components quickly, without the usual sourcing risk. When you need the SI32280-A-FMR, we make the process seamless: we only carry trusted inventory, we guarantee fast delivery, and by purchasing brand-new excess parts, you are sourcing sustainably.