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ISL54406IRUZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54406IRUZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 16 page 1 Stereo Click and Pop Eliminator with Audio Muting ISL54406 The Intersil ISL54406 is a Dual SPST (Single Pole/Single Throw) switch that provides a very low distortion audio path for a stereo headphone or high impedance line-in load. This path can be interrupted to provide >110dB of off-isolation for signal muting purposes into 32Ω or high impedance loads such as consumer entertainment system line-inputs, MP3 docking systems for powered speaker or automotive entertainment system in-line or cassette interfaces. Recovery from muting is instant even with very large DC blocking capacitors. The ISL54406 also has comprehensive Click and Pop elimination measures to prevent these artifacts from occurring in the load due to system power-up/power- down, codec enable/disable, headphone hot plug in, and audio muting on/off situations. The Click and Pop elimination is effective into low and high impedance loads and requires no external timing components to deal with DC blocking capacitors placed between the single supply codec and the load. The ISL54406 is available in a 10 Ld TDFN (3mmx3mm) or a tiny 10 Ld µTQFN (1.8mmx1.4mm) ultra-thin package. It operates over a temperature range of -40 to +85°C. Features • Single Supply Operation (VDD) . . . . +2.7V to +5.0V • Negative Signal Swing Capability . . . . . . . . . . . -1.5V •Low THD -THD+N at 1mW into 32Ω Load. . . . . . . . . <0.02% • Click and Pop Elimination . . . . . . . . . . . . . . . >60dB • Audio Muting . . . . . . . . . . . . . . . . . . . . . . >110dB • Low Power Consumption. . . . . . 21µW with 3V supply • Low Power Shutdown Mode • 1.8V Logic Compatible • Available in 10 Ld TDFN (3mmx3mm) or tiny 10 Ld (1.8mmx1.4mm) µTQFN Package • Pb-Free (RoHS Compliant) Applications • Consumer Entertainment Systems • MP3 and other Personal Media Players • Cellular/Mobile Phones •PDA’s • Audio Switching and Muting Related Literature*(see page 14) • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)”. • Application Note AN1368 “ISL54406EVAL1Z Evaluation Board User’s Manual” Application Block Diagram ISL54406 AUDIO LOUT ROUT SEL1 GND LIN VDD SEL2 LOGIC µCONTROLLER CODEC CLICK AND POP 3.3V CIRCUITRY RIN CONTROL 0.1µF 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. July 14, 2010 FN6578.1 |
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