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ISL54212IRTZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54212IRTZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 15 page 1 ® FN6556.0 ISL54212 MP3/USB 2.0 High Speed Switch with Negative Signal Handling The Intersil ISL54212 dual SPDT (Single Pole/Double Throw) switches combine low distortion audio and accurate USB 2.0 high speed data (480Mbps) signal switching in the same low voltage device. When operated with a 2.5V to 5.5V single supply these analog switches allow audio signal swings below-ground, allowing the use of a common USB and audio headphone connector in Personal Media Players and other portable battery powered devices. The ISL54212 logic control pins are 1.8V compatible which allows for control via a standard µcontroller. The part has an audio enable control pin to open all the switches and put the part in a low power state. The ISL54212 is available in a small 10 Ld 2.1mmx1.6mm ultra-thin µTQFN package and a 10 Ld 3mmx3mm TDFN package. 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)” • Application Note AN557 “Recommended Test Procedures for Analog Switches” Features • High Speed (480Mbps) and Full Speed (12Mbps) Signaling Capability per USB 2.0 • Low Distortion Negative Signal Capability • Control Pin to Open all Switches and Enter Low Power State • Low Distortion Headphone Audio Signals - THD+N at 15mW into 32 Ω Load . . . . . . . . . . . . <0.06% • Cross-talk Audio Channels (20Hz to 20kHz) . . . . . -110dB • Single Supply Operation (VDD) . . . . . . . . . . . . 2.5V to 5.5V • -3dB Bandwidth USB Switches . . . . . . . . . . . . . . . 630MHz • Available in µTQFN and TDFN Packages • Pb-Free (RoHS Compliant) • Compliant with USB 2.0 Short Circuit Requirements Without Additional External Components Applications • MP3 and Other Personal Media Players • Cellular/Mobile Phones •PDA’s • Audio/USB Switching Application Block Diagram ISL54212 USB TRANSCEIVER HIGH-SPEED CODEC COM- COM+ IN GND D- D+ L R VDD CTRL µCONTROLLER 4M Ω 50k Ω 50k Ω VBUS LOGIC CIRCUITRY Data Sheet September 18, 2007 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. 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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