FSA221L10X

Audio Special Purpose Overview

The onsemi FSA221L10X is a Double-Pole, Double Throw (DPDT) multiplexer that combines a low-distortion audio switch path with a USB 2.0 High-Speed (HS) switch path. It operates within a supply voltage range of 3V to 5.5V and functions reliably across an ambient temperature range of -40°C to +85°C. The device is housed in a compact 10-MicroPak™ (10-UFQFN exposed pad) surface-mount package.

Audio Special Purpose Feature Summary

• Integrated DPDT switch for both audio and USB 2.0 High-Speed signals
• Low distortion audio switching capability
• USB 2.0 High-Speed compatible switch path
• Supply voltage range: 3V to 5.5V
• Ambient operating temperature: -40°C to +85°C
• Compact 10-MicroPak™ (10-UFQFN) package

Audio Special Purpose Applications

• Consumer audio systems
• Portable media players
• Mobile handsets
• USB peripheral devices requiring signal switching

Audio Special Purpose Procurement Notes

The FSA221L10X is listed as Obsolete/Scheduled for Obsolescence by onsemi. Availability is restricted to third-party distributors or surplus channels. Verification of RoHS compliance and lot traceability is recommended when sourcing from non-original suppliers due to the end-of-life status.

Audio Special Purpose Part Context

This part belongs to the FSA221 series of USB and audio switches from onsemi. The L10X suffix specifically denotes the 10-MicroPak™ form factor.