Overview
The FSA4480UCX from onsemi is a high-performance USB Type-C port multimedia switch designed to support analog audio headsets. This component allows the sharing of a common USB Type-C port to pass USB 2.0 signals, analog audio, sideband use wires, and analog microphone signals. It also features high voltage protection on the SBU port and USB port on the USB Type-C receptacle side, making it versatile for various multimedia applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | -0.5 | - | 6.5 | V |
| USB High Speed Switch Bandwidth | - | 950 | - | MHz |
| USB Switch On Resistance | - | 3 | 5.2 | Ω |
| Audio Switch On Resistance | - | 1 | - | Ω |
| Audio Switch THD+N | -110 | - | - | dB |
| Operating Temperature | -40 | - | 85 | °C |
| I2C_SCL Clock Frequency | - | - | 400 | kHz |
Key Features
- Power Supply: VCC range from 2.7 V to 5.5 V.
- USB High Speed Switch: Supports USB 2.0 signals with a bandwidth of 950 MHz and typical on-resistance of 3 Ω.
- Audio Switch: Negative rail capability from -3 V to +3 V, THD+N of -110 dB, and typical on-resistance of 1 Ω.
- High Voltage Protection: Supports high voltage on SBU and USB ports.
- I2C Interface: Supports fast mode I2C with a clock frequency up to 400 kHz.
- Multimedia Switching: Allows sharing of a common USB Type-C port for various signals including USB 2.0, analog audio, sideband use wires, and analog microphone signals.
Applications
- USB Type-C Multimedia Devices: Ideal for devices that require the sharing of USB Type-C ports for multiple functions such as data transfer, audio output, and microphone input.
- Smartphones and Tablets: Enhances the functionality of USB Type-C ports in mobile devices.
- Laptops and Desktops: Supports the use of USB Type-C ports for multimedia applications in computers.
- Audio Accessories: Suitable for audio headsets and other audio-related accessories that use USB Type-C connectors.
Q & A
- What is the primary function of the FSA4480UCX?
The FSA4480UCX is a high-performance USB Type-C port multimedia switch that supports the sharing of a common USB Type-C port for USB 2.0 signals, analog audio, sideband use wires, and analog microphone signals.
- What is the voltage range for the VCC supply?
The VCC supply voltage ranges from 2.7 V to 5.5 V.
- What is the bandwidth of the USB high speed switch?
The USB high speed switch has a bandwidth of 950 MHz.
- What is the typical on-resistance of the audio switch?
The typical on-resistance of the audio switch is 1 Ω.
- Does the FSA4480UCX support high voltage protection?
- What is the maximum I2C_SCL clock frequency supported by the FSA4480UCX?
The maximum I2C_SCL clock frequency supported is 400 kHz.
- What are the typical applications of the FSA4480UCX?
Typical applications include USB Type-C multimedia devices, smartphones, tablets, laptops, desktops, and audio accessories.
- What is the operating temperature range of the FSA4480UCX?
The operating temperature range is from -40°C to 85°C.
- Does the FSA4480UCX support negative rail capability for the audio switch?
- How does the FSA4480UCX handle THD+N for the audio switch?
The THD+N for the audio switch is -110 dB.
