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Analog Switches | FSA550

4PST Depletion Mode Isolation Switch

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Datasheet

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Overview

The FSA550 is a high-performance four-pole single-throw (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. Additionally, select pins allow the internal oscillator frequency to be adjusted between 500 kHz and 750 kHz in 75 kHz steps when VCC is present. This feature is used to shift the electromagnetic interference (EMI) signature to meet customer specifications.

  • Media Tablets
  • Storage & Peripherals
  • Mobile Handsets
  • Wireless LAN Card & Broadband Access
  • PMP/MP3 Players

  • 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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ron Max (Ω)

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Reference Price

FSA550BUCX

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Last Shipments

CAD Model

Pb

A

H

P

WLCSP-12

567QG

1

260

REEL

3000

N

2

4

4PST

70

-

1.6

3

Price N/A

More Details

FSA550UCX

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Last Shipments

CAD Model

Pb

A

H

P

WLCSP-12

567QG

1

260

REEL

3000

N

2

4

4PST

70

-

1.6

3

Price N/A

More Details

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Reliability Data

Die Related Summary Data

Device: FSA550BUCX

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

More Details

Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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