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ISL54401IRZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54401IRZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 15 page 1 ® FN6240.3 ISL54400, ISL54401, ISL54402 Low Voltage, Dual SPDT, USB/Audio Switches with Negative Signal Capability The Intersil ISL54400, ISL54401, ISL54402 dual SPDT (Single Pole/Double Throw) switches combine low distortion audio and accurate USB 2.0 full speed data signal switching in the same low voltage device. When operated with a 2.5V 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 ISL54400 and ISL54401 incorporate circuitry for detection of the USB VBUS voltage, which is used to switch between the audio and USB signal source in the portable device. In addition, the ISL54400 includes circuitry for generation of a VTERM voltage of 3.3V for use with USB speed setting pull-up resistor. The ISL54400, ISL54401, ISL54402 are available in 10 Ld 3mm x 3mm TDFN and 10 Ld tiny 2.1mm x 1.6mm ultra-thin µTQFN packages. They operate over a temperature range of -40 to +85°C. Related Literature • Application Note AN1255 “ISL5440XEVAL1Z Evaluation Board User’s Manual” • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)” • Application Note AN557 “Recommended Test Procedures for Analog Switches” Features • Low Distortion Negative Signal Capability • Detection of VBUS Voltage on USB Cable (ISL54400 and ISL54401) • Generation of VTERM Voltage for USB D+/D- Pull-up Resistor (ISL54400) • Low Distortion Headphone Audio Signals - THD+N at 12mW into 32 Ω Load . . . . . . . . . . . <0.007% • Cross-talk (20Hz to 20kHz) . . . . . . . . . . . . . . . . . . -110dB • 1.8V Logic Compatible (ISL54402) • Single Supply Operation (VDD) - ISL54400 and ISL54401 . . . . . . . . . . . . . . 2.5V to 3.6V - ISL54402 . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8V to 5.5V • Available in Ultra-thin µQFN and TDFN Packages • Pb-Free Plus Anneal Available (RoHS Compliant) Applications • MP3 and other Personal Media Players • Cellular/Mobile Phones •PDA’s • USB Switching • Audio/USB Switching Application Block Diagram ISL54400 USB TRANSCEIVER FULL-SPEED CODEC D-/L D+/R VBUS GND D- D+ L R VDD VTERM Data Sheet July 12, 2006 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. 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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