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ISL54214 データシート(PDF) 1 Page - Intersil Corporation |
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ISL54214 データシート(HTML) 1 Page - Intersil Corporation |
1 / 22 page 1 USB 2.0 High-Speed x 2 Channels/Stereo Audio Dual SP3T (Dual 3 to 1 Multiplexer) ISL54214 The Intersil ISL54214 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 the 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 32Ω 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 ISL54214 is available in a tiny 12 Ld 2.2mmx1.4mm ultra-thin QFN and 12 Ld 3mmx3mm TQFN packages. It operates over a temperature range of -40 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 • Power OFF Protection • COM Pins Overvoltage Tolerant to 5.5V • Low Distortion Headphone Audio Signals -THD+N at 5mW into 32Ω Load . . . . . . . . <0.03% • Cross-talk (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 ISL54214 USB TRANSCEIVER HIGH-SPEED AUDIO COM - COM + C1 GND 1D+ 1D- R L VDD C0 LOGIC CONTROL µCONTROLLER CODEC VBUS 3.3V 2D- USB 4MΩ 50kΩ HIGH-SPEED TRANSCEIVER 2D+ 50kΩ 1kΩ 1kΩ 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. 2008-2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. June 28, 2010 FN6816.3 |
同様の部品番号 - ISL54214 |
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同様の説明 - ISL54214 |
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