FSA2380BQX

Analog Switches - Special Purpose Overview

The FSA2380BQX is a 3:1 negative swing audio source switch manufactured by onsemi. It integrates three single-pole double-throw (SPDT) analog switches designed for high-fidelity audio applications. The device features a low on-resistance of 0.75 ohms and supports signal swings down to -4V, enabling compatibility with single-supply systems. Key electrical parameters include a channel count of three, an off-isolation of 68 dB, and operation within a temperature range of -40°C to +85°C. The component is housed in a compact VQCCN package with 14 terminals, suitable for space-constrained portable electronics.

Analog Switches - Special Purpose Feature Summary

• Supports negative voltage swings for seamless integration with single-supply audio circuits
• Provides triple SPDT switching topology for multi-source audio routing
• Ensures high signal integrity through low on-resistance and minimal distortion

Analog Switches - Special Purpose Applications

• Portable media players and MP3 devices
• Mobile handsets and wireless communication devices
• Audio peripherals and multimedia tablets

Analog Switches - Special Purpose Procurement Notes

Verify the manufacturer designation carefully, as the part originates from Fairchild Semiconductor prior to its acquisition by onsemi. Confirm that the specific suffix matches the required package and compliance standards. Cross-reference ordering information with current onsemi catalogs to ensure availability and correct nomenclature mapping.

Analog Switches - Special Purpose Selection Notes

Select this component when designing audio paths requiring multiple input sources to be routed to a single output under single-supply conditions. The negative swing capability is critical for maintaining signal fidelity without additional biasing networks. Ensure the application environment stays within the specified ambient temperature limits for optimal performance.

Analog Switches - Special Purpose Part Context

This device belongs to onsemi's portfolio of multiplexers and crosspoint switches, specifically tailored for audio and video signal distribution. It complements other series like the FSA2367 and FSA6157, offering specialized functionality for consumer electronics where space efficiency and audio quality are paramount design constraints.

Analog Switches - Special Purpose Replacement Considerations

The FSA2367 serves as a functional equivalent within the same product family. Verify pinout compatibility and package dimensions before substitution. Check if the alternative part meets the specific negative swing requirements of the target circuit design.