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ISL54409IRUZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54409IRUZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 Audio/USB 2.0 Wired-OR Switch with Click and Pop Reduction ISL54409, ISL54410 The Intersil ISL54409 and ISL54410 are Dual SPST (Single Pole/Single Throw) switches that provide a very low distortion audio path for a stereo headphone and can be connected in a wired-OR configuration at the switch outputs with USB2.0 HS signals for Audio/USB signal multiplexing to a common connector. The audio switch path can be disabled to provide high signal isolation, preventing crosstalk between the audio codec and USB data signals. The ISL54409 and ISL54410 analog switches are negative swing capable with a single supply voltage and maintain excellent THD performance within a signal range of -1V to +1V. The switch terminals have low pin capacitance (4pF typical), minimizing impact to USB 2.0 High-Speed signals. The ISL54409 offers a Low Power Shutdown mode while the ISL54410 offers a High Off-Isolation mode. The ISL54410 contains active Audio Click and Pop Elimination circuitry for AC-coupled audio signals. The ISL54409 and ISL54410 are available in a 8 Ld TDFN (2mmx2mm) or a 10 Ld µTQFN (1.8mmx1.4mm) package. They operate over a temperature range of -40 to +85°C. Features • Single Supply Operation (VDD) . . . +2.7V to +5.0V • Negative Signal Handling (See “Audio/USB wired-OR Application” on page 8 on protecting USB controller) • Low OFF Capacitance for HS USB . . . . . . . . . . 4pF • Power Off Protection •THD+N at 1mW into 32Ω Load . . . . . . . . <0.02% • Audio Muting . . . . . . . . . . . . . . . . . . . . .>110dB • Low Power Consumption. . . . 21µW with 3V supply • Low Power Shutdown Mode (ISL54409) • Active Click and Pop Elimination Circuitry (ISL54410) •USB VBUS Hot Plug Operation • Available in 8 Ld TDFN (2mmx2mm) or 10 Ld µTQFN (1.8mmx1.4mm) Package Applications*(see page 11) • Consumer Entertainment Systems • MP3 and other Personal Media Players • Cellular/Mobile Phones and PDAs Related Literature*(see page 11) • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)” Typical Application USB2.0 HS Eye Diagram LOGIC CONTROL CTRL IN CODEC µCONTROLLER COM+ COM- ISL54409 AUDIO USB CONTROLLER RIN LIN ISL54410 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. 2009, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. January 14, 2010 FN6983.1 |
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