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FSA550 - 4PST Depletion Mode Isolation Switch

General Description

The FSA550 is a high-performance four-pole singlethrow (4PST) normally closed Depletion-Mode isolation switch.

The Depletion Mode technology allows the device to conduct signals when there is no VCC available and to isolate the signals when VCC is present.

Key Features

  • 4PST (NC).
  • Depletion Mode MOSFETs.
  • Audio Frequency Range.
  • VCC(OFF): 1.6 V to 3.0 V.
  • RON: 0.8 Ω Typical.
  • RON Flat: 0.01 Ω Typical.
  • THD+N: 0.002% Typical.
  • Eco Status: Fairchild Green, RoHS Compliant, Halogen Free.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FSA550 — 4PST Depletion Mode Isolation Switch November 2014 FSA550 4PST Depletion Mode Isolation Switch Features  4PST (NC)  Depletion Mode MOSFETs  Audio Frequency Range  VCC(OFF): 1.6 V to 3.0 V  RON: 0.8 Ω Typical  RON Flat: 0.01 Ω Typical  THD+N: 0.002% Typical  Eco Status: Fairchild Green, RoHS Compliant, Halogen Free Applications  MP3 Portable Media Players  Cellular Phones, Smart Phones Description The FSA550 is a high-performance four-pole singlethrow (4PST) normally closed Depletion-Mode isolation switch. The Depletion Mode technology allows the device to conduct signals when there is no VCC available and to isolate the signals when VCC is present. The FSA550 operates on a wide VCC range for design flexibility.