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US8031NDGI Datasheet(PDF) 1 Page - Integrated Device Technology |
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US8031NDGI Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 16 page DATASHEET LOW POWER DUAL SPST HI-SPEED USB 2.0 (480MBPS) SWITCH IDTUS8031 IDT™ LOW POWER DUAL SPST HI-SPEED USB 2.0 (480MBPS) SWITCH 1 IDTUS8031 REV F 030209 Description The IDTUS8031 is a low power, dual SPST 2-port hi-speed USB 2.0 switch. This part is configured as a single pole, single throw switch and is optimized for switching or isolating a hi-speed (480 Mbps) source or a hi-speed and full-speed (12 Mbps) source. The IDTUS8031 is compatible with the requirements of USB2.0 and features an extremely low ON capacitance (CON) of 3.7 pF. The wide bandwidth of this device (>720 MHz) exceeds the bandwidth needed to pass the 3rd harmonic, resulting in signals with minimum edge and phase distortion. Superior channel-to-channel crosstalk also minimizes interference. The IDTUS8031 contains circuitry on the D+/D- pins which allows the device to withstand an overvoltage condition. This device is also designed to minimize current consumption even when the control voltage applied to the OE pin is lower than the supply voltage (VCC). This feature is especially valuable to portable applications such as cell phones, allowing for direct interface with the general purpose I/Os of the baseband processor. Applications • Notebooks, PDAs • Cellular phones, Digital cameras • LCD monitors, TVs, Set-top Boxes Features • Low On capacitance, 3.7 pF (typical) • Low On resistance, 6.5Ω (typical) • Low power consumption (1 µA maximum) – 10 µA maximum ICCT over and expanded control voltage range (VIN=2.6 V, VCC=4.3 V) • Wide -3dB bandwidth, > 720 MHz • 8K I/O to GND ESD protection • Power OFF protection when V CC= 0V, D+/D- pins can tolerate up to 4.3 V • Packaged in RoHS compliant 8-pin MSOP and 10-lead µMLP (1.4 x1.8mm) Block Diagram Base Band Processor or FS USB Controller HS USB Controller USB Connector IDTUS8031 OE V CC D+ D- |
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