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FSA2866UMX

FSA2866UMX Description

The FSA2866UMX from onsemi is a high-performance 2:2 analog multiplexer/demultiplexer switch designed for telecommunications and other precision signal routing applications. Packaged in a compact 20UMLP surface-mount form factor, this IC offers low on-state resistance (3.5Ω max) and a wide -3dB bandwidth of 210MHz, ensuring minimal signal distortion and high-fidelity switching. Operating within a 1.65V to 4.3V supply range, it is optimized for low-voltage systems while maintaining robust performance. Although marked as obsolete, it remains a reliable choice for legacy designs due to its RoHS3 compliance and REACH-unaffected status.

FSA2866UMX Features

• Low On-Resistance: 3.5Ω max ensures minimal voltage drop and power loss.
• Wide Bandwidth: 210MHz -3dB bandwidth supports high-speed signal switching.
• Low-Voltage Operation: 1.65V–4.3V single supply compatibility for battery-powered and portable devices.
• Compact & Reliable: Surface-mount 20UMLP package with MSL1 (unlimited) moisture sensitivity.
• Compliance: ROHS3 compliant and EAR99 (export-friendly).
• 2:2 Multiplexer/Demultiplexer: Flexible signal routing for bidirectional applications.

FSA2866UMX Applications

• Telecommunications: Signal routing in base stations, RF modules, and transceivers.
• Portable Electronics: Low-voltage switching in smartphones, tablets, and wearables.
• Test & Measurement: High-bandwidth signal multiplexing for precision instruments.
• Audio/Video Switching: Low-distortion signal paths in AV routers and interfaces.

Conclusion of FSA2866UMX

The FSA2866UMX excels in high-frequency, low-voltage analog switching, offering a balance of low resistance, wide bandwidth, and compact design. While obsolete, its performance and compliance make it suitable for legacy telecom and portable electronics. Engineers seeking a proven 2:2 multiplexer/demultiplexer with minimal signal degradation will find this IC a dependable solution. For new designs, verify alternative options within onsemi's portfolio.