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ISL54225IRUZ-T7A датащи(PDF) 1 Page - Intersil Corporation |
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ISL54225IRUZ-T7A датащи(HTML) 1 Page - Intersil Corporation |
1 / 18 page 1 High-Speed USB 2.0 (480Mbps) Multiplexer with Overvoltage Protection (OVP) ISL54225 The Intersil ISL54225 is a single supply dual 2:1 multiplexer that can operate from a single 2.7V to 5.25V supply. It contains two SPDT (Single Pole/Double Throw) switches configured as a DPDT. The part was designed for switching or routing of USB High-Speed signals and/or USB Full-speed signals in portable battery powered products. The 6.5Ω switches were specifically designed to pass USB high speed/full speed data signals. They have high bandwidth and low capacitance to pass USB high speed data signals with minimal DISTORTION. The ISL54225 has OVP circuitry on the D-/D+ COM pins that opens the USB in-line switches when the voltage at these pins exceeds 3.8V (typ) or goes negative by -0.5V (typ). It isolates fault voltages up to +5.25V or down to -5V from getting passed to the other-side of the switch, thereby protecting the USB transceivers. The digital logic inputs are 1.8V logic compatible when operated with a 2.7V to 3.6V supply. The ISL54225 has an output enable pin to open all the switches. It can be used to facilitate proper bus disconnect and connection when switching between the USB sources. The ISL54225 is available in 10 Ld 1.8mmx1.4mm µTQFN and 10 Ld TDFN packages. It operates over a temperature range of -40°C to +85°C. Features • High-Speed (480Mbps) and Full-Speed (12Mbps) Signaling Capability per USB 2.0 • 1.8V Logic Compatible (2.7V to +3.6V Supply) • Enable Pin to Open all Switches •Low Power Mode • Power OFF Protection • D-/D+ Pins Overvoltage Protection for +5.25V and -5V Fault Voltages • -3dB Frequency . . . . . . . . . . . . . . . . . . . . 780MHz • Low ON Capacitance @ 240MHz . . . . . . . . . . 3.3pF • Low ON-Resistance . . . . . . . . . . . . . . . . . . . . 6.5Ω • Single Supply Operation (VDD) . . . . . 2.7V to 5.25V • Available in µTQFN and TDFN Packages • Pb-Free (RoHS Compliant) • Compliant with USB 2.0 Short Circuit and Overvoltage Requirements Without Additional External Components Applications*(see page 16) • MP3 and other Personal Media Players • Cellular/Mobile Phones •PDA’s • Digital Cameras and Camcorders • USB Switching Typical Application USB 2.0 HS Eye Pattern With Switches in the Signal Path ISL54225 USB TRANSCEIVER D- D+ GND HSD1+ HSD1- VDD OE µP VBUS D- D+ GND OVP 500Ω SEL LOGIC CONTROL 3.3V USB TRANSCEIVER HSD2+ HSD2- TIME SCALE (0.2ns/DIV) CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. July 2, 2010 FN7627.0 |
Аналогичный номер детали - ISL54225IRUZ-T7A |
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Аналогичное описание - ISL54225IRUZ-T7A |
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