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ISL54217IRTZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54217IRTZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 21 page 1 ® FN6817.3 ISL54217 USB 2.0 High-Speed x 2Channels/Stereo Audio Dual SP3T (Dual 3-to-1 Multiplexer) The Intersil ISL54217 is a single supply dual SP3T analog switch that operates from a single supply in the range of 2.7V to 4.6V. It was designed to multiplex between audio stereo signals and two different USB 2.0 high speed differential data signals. The audio channels allow signal swings below ground, allowing the multiplexing of voice and data signals through a common headphone connector in Personal Media Players and other portable battery powered devices. The audio switch cells can pass ±1V ground referenced audio signals with very low distortion (<0.03% THD+N when driving 5mW into 32 Ω loads). The USB switch cells have very low ON-capacitance (8pF) and high bandwidth to pass USB high speed signals (480Mbps) with minimal edge and phase distortion. The ISL54217 is available in a tiny 12 Ld 2.2mmx1.4mm ultra thin QFN and a 12 Ld 3mmx3mm TQFN package. It operates over a temperature range of -40°C to +85°C. Related Literature • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)” Features • High Speed (480Mbps) and Full Speed (12Mbps) Signaling Capability per USB 2.0 • Low Distortion Negative Signal Capability Audio Switches • Clickless/Popless Audio Switches • Power OFF Protection • COM Pins Overvoltage Tolerant to 5.5V • Low Distortion Headphone Audio Signals - THD+N at 5mW into 32 Ω Load . . . . . . . . . . . . . <0.03% • Crosstalk (100kHz) . . . . . . . . . . . . . . . . . . . . . . . . . -98dB • OFF-Isolation (100kHz) . . . . . . . . . . . . . . . . . . . . . 95.5dB • Single Supply Operation (VDD) . . . . . . . . . . . . 2.7V to 4.6V • -3dB Bandwidth USB Switches . . . . . . . . . . . . . . . 700MHz • Available in Tiny 12 Ld µTQFN and TQFN Packages • Compliant with USB 2.0 Short Circuit Requirements Without Additional External Components • Pb-Free (RoHS Compliant) Applications • MP3 and other Personal Media Players • Cellular/Mobile Phone Application Block Diagram CLICK/ ISL54217 USB TRANSCEIVER HIGH-SPEED AUDIO COM - COM + C1 GND 1D+ 1D- R L VDD C0 LOGIC CONTROL µCONTROLLER CODEC VBUS 3.3V 2D- USB 4M Ω 50k Ω HIGH-SPEED TRANSCEIVER 2D+ 50k Ω 1k Ω 1k Ω POP Data Sheet May 4, 2009 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. 2008, 2009. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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