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ISL54210IRTZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54210IRTZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 21 page 1 MP3/USB 2.0 High Speed Switch with Negative Signal Handling/Click and Pop Suppression ISL54210 The Intersil ISL54210 dual SPDT (Single Pole/Double Throw) switch combines low distortion audio and accurate USB 2.0 high-speed data (480Mbps) signal switching in the same low voltage device. When operated with a 2.7V to 3.6V 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 ISL54210 incorporates circuitry for the detection of the USB VBUS voltage, which is used to switch between the audio and USB signal sources. It has an enable pin (CTRL) to open all switches and activate the audio click/pop (C/P) circuitry. The high off-isolation and special C/P circuitry of the audio switches eliminates click and pops in the head-phones when the audio CODEC drivers are powering up/down or when a headphone is inserted or removed from the jack. It’s available in a tiny 10 Ld 1.8mmx1.4mm ultra-thin µTQFN package and a 10 Ld 3mmx3mm TDFN package. It operates over a temperature range of -40°C to +85°C. Related Literature (see page 19) • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)” • Application Note AN1407 “ISL54210EVAL1Z Evaluation Board User’s Manual” Features • High Speed (480Mbps) and Full Speed (12Mbps) Signaling Capability per USB 2.0 • Detection of VBUS Voltage on USB Cable • Low Distortion Negative Signal Capability • Clickless/Popless Audio Switches • Enable Pin to Open all Switches • Low Distortion Headphone Audio Signals -THD+N at 1mW into 32Ω Load. . . . . . . . . 0.014% • Crosstalk (20Hz to 20kHz). . . . . . . . . . . . . -100dB • Off-Isolation (20Hz to 100kHz) . . . . . . . . . . . 95dB • Single Supply Operation (VDD) . . . . . . 2.7V to 3.6V • -3dB Bandwidth USB Switch . . . . . . . . . . . . 700MHz • Low ON Capacitance @ 240MHz. . . . . . . . . . . 4.2pF • Available in µTQFN and TDFN Packages • Compliant with USB 2.0 Short Circuit Requirements Without Additional External Components • Pb-Free (RoHS Compliant) Applications* (see page 19) • MP3 and other Personal Media Players • Cellular/Mobile Phones •PDA’s • Audio/USB Switching Application Block Diagram ISL54210 USB TRANSCEIVER HIGH-SPEED COM - COM + VBUS GND D- D+ L R V DD CTRL LOGIC CONTROL 4MΩ 4MΩ CLICK AND POP VBUS 3.3V 200kΩ 200kΩ µCONTROLLER AUDIO CODEC 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. March 18, 2010 FN6661.2 |
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