Analog switches and multiplexer/demultiplexer circuits are used in both analog and digital I/O expansion applications such as speaker selection in cell cell phones or sensor selection in industrial process monitoring applications.

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Overvoltage tolerant bilateral switch

Key features and benefits

  • Reduced signal attenuation results in low switching losses
  • Reduced total harmonic distortion for high quality audio switching
  • Enable multiplexing of analog sensor signals - reduce number of ADC
  • Integrated level shifting of control signals interface to lower voltage controllers
  • Low ON resistance and ON resistance flatness
  • Low switch leakage
  • Wide supply voltage
  • Low input threshold input options
  • Over-voltage tolerant options
  • High ESD protection per IEC61000 Standard

Key applications

  • Audio/video source selection
  • Analog sensor multiplexing
  • GPIO expansion
  • Bus Isolation

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Descriptive summary

NXP's comprehensive range of analog switches include SPST to SP16T options that are suitable for a variety of automotive analog and digital switching applications including sample and hold circuits, sensor data multiplexing, video & audio switching and GPIO expansion.

Analog switches are offered in TSSOP, PicoGate and innovative leadless MicroPak and DQFN packages for PCB space saving. NXP's switches are fully specified from -40 ºC to 125 ºC.


The Logic Tech Zone is NXP Semiconductor's dedicated community website and the online destination for designers evaluating and using NXP Logic and Smart Analog products. The Logic Tech Zone contains the latest information including design resources, training materials, marketing campaigns, and more.

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