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ISL54405IVZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54405IVZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 19 page 1 ® FN6699.1 ISL54405 CD/MP3 Quality Stereo 2:1 Multiplexer with Click and Pop Elimination The Intersil ISL54405 is a single supply, bidirectional, dual single-pole/double-throw (SPDT) ultra low distortion, high OFF-Isolation analog switch that can pass analog signals that are positive and negative with respect to ground. It is primarily targeted at consumer and professional audio switching applications such as Computer Sound Cards and Home Theater products. The inputs can accommodate ground referenced signals up to 2VRMS while operating from a single 3.3V or 5V DC supply. The digital logic inputs are 1.8V logic-compatible when using a single 3.3V or 5V supply. It can be used in both AC or DC coupled ground referenced applications. The ISL54405 features a soft-switch feature and click/pop circuitry at each signal pin that eliminates clicks and pops associated with power-up/down conditions of the preceding amplifier outputs. With -106dB THD+N performance with a 2VRMS signal into 20k Ω load, superior signal muting, high PSRR and very flat frequency response the ISL54405 meets the exacting requirements of consumer and professional audio engineers. The ISL54405 is available in 16 Ld TSSOP, 16 Ld 3mmx3mm TQFN, and 16 Ld 2.6mmx1.8mm µTQFN packages. Its specified for operation over the -40°C to +85°C temperature range. 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 • Clickless Audio Switching •2VRMS Signal Switching from 3.3V or 5V Supply • -106dB THD+N into 20k Ω Load @ 2V RMS • -108dB THD+N into 32 Ω Load @ 3.9mW • Signal to Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >124dBV • ±0.01dB Insertion Loss at 1kHz, 20k Ω Load • ±0.007dB Gain Variation 20Hz to 20kHz • 125dB Signal Muting into 20k Ω Load •90dB PSRR 20Hz to 20kHz • Single Supply Operation . . . . . . . . . . . . . . . . . . . . 3.3V or 5V • Available in 16 Ld TSSOP, 16 Ld TQFN, and 16 Ld µTQFN • Pb-Free (RoHS Compliant) Applications • Computer Sound Cards • Home Theater Audio Products • SACD/DVD Audio • DVD Player Audio Output Switching • Headsets for MP3/Cellphone Switching • Hi-Fi Audio Switching Application Block Diagram TABLE 1. FEATURES AT A GLANCE ISL54405 Number of Switches 2 Switch Type SPDT or 2 to 1 MUX Insertion Loss ±0.01dB THD+N, 2VRMS, 20kΩLoad -106dB OFF-Isolation (MUTE) 125dB Packages 16 Ld TSSOP, 16 Ld 3x3 TQFN, 16 Ld 2.6x1.8 µTQFN LOGIC ISL54405 SEL MUTE L R L1 L2 R1 R2 CAP_SS VDD 5V_Supply For 5V operation connect the 5V_Supply pin to 5V and float the VDD pin. For 3.3V operation connect the VDD pin to 3.3V and float GND AC/DC the 5V_Supply pin. DIR_SEL CONTROL AND CLICK/POP Data Sheet June 5, 2008 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. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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