Analog Switches | FSA8049

Audio Jack Detection and Configuration, MIC / GND Cross Point Switch

Obsolete

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Overview

The FSA8049 is an audio jack detection switch for 3- or 4-pole accessories. The FSA8049 detects the locations of ground (GND) and microphone (MIC) poles on the audio plug and automatically routes them to the appropriate connections. This allows the end user to plug accessories, such as headsets with different audio pole configurations, into the mobile device and have them operate correctly.

￭ Detects 3- or 4-pole audio accessories
￭ Detects polarity of GND and MIC on 4-pole plugs
￭ Automatically routes GND and MIC to audio jack terminals

  • Mobile Handsets
  • PMP/MP3 Players

  • Detection: Audio Plug GND & MIC Polarity
  • VDD: 2.5 to 4.4V
  • THD (MIC): 0.002% Typical
  • ESD (IEC 61000-4-2 Air Gap): 15kV
  • Operating Temperature: -40°C to 85°C
  • Package: 9-Ball WLCSP 3x3 Array, 0.4mm Terminal Pitch, 250µm Ball
  • Top Mark: M3

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FSA8049UCX

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Obsolete

CAD Model

Pb

A

H

P

WLCSP-9

567RW

1

260

REEL

3000

N

1

1

SPST

3

0.17

2.5

4.4

Price N/A

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Reliability Data

Die Related Summary Data

Device: FSA8049UCX

Equivalent to wafer fab process: 32

Product Technology

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Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

32

1

1989480587

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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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