
Fairchild (onsemi)
FSA9280AUMX
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FSA9280AUMX Description
FSA9280AUMX Description
The FSA9280AUMX is a high-performance, 3:1 multiplexer/demultiplexer designed specifically for USB 2.0 accessory detection applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this device is an ideal solution for applications requiring efficient signal routing and switching in compact, surface-mount designs. The FSA9280AUMX operates within a supply voltage range of 3V to 4.4V, ensuring compatibility with a wide range of modern electronic systems.
FSA9280AUMX Features
- Multiplexer/Demultiplexer Circuit: The FSA9280AUMX features a 3:1 multiplexer/demultiplexer circuit, enabling the selection of one of three input signals to be routed to a single output. This design is particularly advantageous for applications where multiple signal sources need to be managed efficiently.
- Low On-State Resistance: The device offers a maximum on-state resistance of 3 ohms for audio applications and 10 ohms for USB applications. This low resistance ensures minimal signal loss and high signal integrity, making it suitable for high-speed data transmission and sensitive audio applications.
- Surface-Mount Packaging: The FSA9280AUMX is available in a surface-mount package, facilitating easy integration into compact and space-constrained designs. This packaging option is ideal for modern electronics where miniaturization is a key requirement.
- Active Product Status: As an active product, the FSA9280AUMX is readily available for purchase and integration into new designs, ensuring a reliable supply chain for manufacturers.
- Wide Voltage Range: With a supply voltage range of 3V to 4.4V, the FSA9280AUMX is compatible with a variety of power sources, enhancing its versatility across different electronic systems.
- Bulk Packaging: The device is available in bulk packaging, which is cost-effective and suitable for large-scale production runs.
FSA9280AUMX Applications
The FSA9280AUMX is well-suited for a variety of applications, including:
- Audio Applications: The low on-state resistance of 3 ohms makes it ideal for routing audio signals with minimal distortion, ensuring high-quality audio performance.
- UART Applications: The device can efficiently manage UART signals, facilitating reliable communication between microcontrollers and other peripherals.
- USB Applications: With a maximum on-state resistance of 10 ohms for USB, the FSA9280AUMX is optimized for USB 2.0 accessory detection, enabling seamless integration of USB peripherals in various electronic devices.
Conclusion of FSA9280AUMX
The FSA9280AUMX is a versatile and high-performance multiplexer/demultiplexer that offers significant advantages over similar models. Its low on-state resistance, wide voltage range, and surface-mount packaging make it an ideal choice for a variety of applications, including audio, UART, and USB. The device's compatibility with modern electronic systems and its availability in bulk packaging ensure that it is a reliable and cost-effective solution for manufacturers. Whether used in consumer electronics, industrial systems, or automotive applications, the FSA9280AUMX provides efficient signal routing and switching, ensuring optimal performance and reliability.



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