MAX4765
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MAX4765

Low-Voltage, Dual SPDT, Audio Clickless Switches with Negative Rail Capability

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Part Details
Features
  • Distortion-Free Negative Signal Throughput Down to VCC - 5.5V
  • Comparator for Headphone or Mute Detection (MAX4763/MAX4765)
  • Internal Shunt Resistor Reduces Click/Pop (MAX4764/MAX4764A/MAX4765)
  • Low On-Resistance (RON)
    • 0.6Ω at +2.7V Supply
  • 0.25Ω On-Resistance Flatness
  • 0.05Ω On-Resistance Matching
  • +1.8V to +5.5V Supply Voltage
  • -70dB Crosstalk (100kHz)
  • -65dB Off-Isolation (100kHz)
  • 0.01% Total Harmonic Distortion
  • Available in µMAX, TDFN, Thin QFN, and UCSP Packages
Additional Details
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The MAX4762–MAX4764/MAX4764A/MAX4765 dual SPDT (single-pole/double-throw) switches feature negative signal capability that allows signals below ground to pass through without distortion. These analog switches operate from a single +1.8V to +5.5V supply and have low 0.6Ω on-resistance, making them ideal for switching audio signals.

The MAX4763/MAX4765 include a comparator that can be used for headphone detection or a mute/send key function. The MAX4764/MAX4764A/MAX4765 have an internal shunt switch to automatically discharge any capacitance at the NO and NC connection points. This reduces click-and-pop sounds that occur when switching audio signals between precharged points.

These SPDT switches are available in space-saving µMAX®, TDFN, thin QFN, and UCSP™ packages and operate over the -40°C to +85°C extended temperature range.

Applications

  • Cell Phones
  • MP3 Players
  • Notebook Computers
  • PDAs and Other Handheld Devices

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