FSUSB31UMX
- Mfr.Part #
- FSUSB31UMX
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 8-UFQFN
- Datasheet
- Download
- Description
- LOW POWER DUAL SPST HI-SPEED USB
- Stock
- 18,876
- In Stock :
- 18,876
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Analog Switches - Special Purpose
- Turn On Delay Time :
- 30 ns
- Base Part Number :
- FSUSB31
- Terminal Pitch :
- 0.4mm
- Switch Circuit :
- DPST
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- Resistance :
- 10Ohm
- Number of Pins :
- 8
- -3db Bandwidth :
- 720MHz
- On-state Resistance Match-Nom :
- 0.35Ohm
- Turn-Off Delay Time :
- 25 ns
- Min Supply Voltage :
- 3V
- Weight :
- 40mg
- ECCN Code :
- EAR99
- Voltage - Supply, Single (V+) :
- 3V~4.3V
- Max Supply Current :
- 1μA
- Lifecycle Status :
- LAST SHIPMENTS (Last Updated: 1 week ago)
- Number of Terminations :
- 8
- Number of Inputs :
- 2
- RoHS Status :
- RoHS Compliant
- Off-state Isolation-Nom :
- 35 dB
- Operating Temperature :
- -40°C~85°C TA
- Mounting Type :
- Surface Mount
- Pbfree Code :
- yes
- Radiation Hardening :
- No
- Applications :
- USB
- Supply Voltage :
- 3.3V
- Number of Channels :
- 1
- Data Rate :
- 480 Mbps
- Output :
- SEPARATE OUTPUT
- Terminal Position :
- QUAD
- Feature :
- Break-Before-Make, USB 2.0
- Supply Type :
- Single
- Published :
- 2005
- Max Supply Voltage :
- 4.3V
- Terminal Finish :
- Nickel/Palladium (Ni/Pd)
- On-State Resistance (Max) :
- 10Ohm
- Number of Functions :
- 1
- JESD-609 Code :
- e4
- Height Seated (Max) :
- 0.55mm
- Package / Case :
- 8-UFQFN
- Packaging :
- Tape and Reel (TR)
- Multiplexer/Demultiplexer Circuit :
- 2:1
- Datasheets
- FSUSB31UMX

Analog Switches - Special Purpose Fairchild Semiconductor FSUSB31UMX Overview
The FSUSB31UMX from Fairchild Semiconductor is a low-power, dual single-pole, single-throw (SPST) high-speed USB analog switch, designed to address the needs of modern USB interface applications. This component is engineered to facilitate efficient and reliable switching between USB data sources and destinations, making it an ideal solution for devices requiring USB multiplexing. By utilizing advanced technology, the FSUSB31UMX ensures minimal signal distortion and optimal performance, while maintaining low power consumption. This makes it particularly useful in battery-powered devices where power efficiency is critical. The compact form factor and high reliability of the FSUSB31UMX make it an essential component for designers looking to enhance USB functionality in their electronic products.
FSUSB31UMX Features
The FSUSB31UMX offers several features beneficial for high-speed USB applications, including low on-resistance and low crosstalk, which ensure minimal signal loss and superior performance. The device's compatibility with USB 2.0 standards enables it to support high-speed data transfer rates. Additionally, its wide operating temperature range makes it suitable for various industrial environments. The switch is also designed with ESD protection, safeguarding the device against electrostatic discharges, thus enhancing its durability and lifespan.
FSUSB31UMX Applications
- Mobile Devices: In smartphones and tablets, the FSUSB31UMX can be used to switch between different data lines or charging paths, enhancing the device's USB interface flexibility.
- Computing Equipment: Utilized in laptops and desktops for managing USB ports, the FSUSB31UMX allows for efficient switching between multiple peripherals or USB devices without compromising signal integrity.
- Consumer Electronics: In digital cameras and media players, this switch facilitates the selection of USB data streams for syncing or charging, ensuring reliable connectivity.
- Wearable Technology: The FSUSB31UMX is crucial in smartwatches and fitness trackers for switching between low-power charging modes and data transfer modes, optimizing device functionality.
- Industrial Applications: Used in industrial control systems, the FSUSB31UMX can manage data communication paths, contributing to more robust and reliable industrial USB solutions.
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