Analog Switches | FSA850

Audio 3-Pole / 4-Pole MIC-GND Switch

Obsolete

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Overview

The FSA850 is a 3-pole or 4-pole audio jack microphone GND switch for accessories with General-Purpose Input / Output (GPIO) control signals. The FSA850 also has the ability to perform 4-pole cross-point switching to support Open Mobile Terminal Platform (OMTP) 4-pole headset plugs. The architecture is designed to replace discrete MOSFET solutions and allow common third-party headphones to be used for listening to music or playing video from mobile handsets, personal media players, and portable peripheral devices.

  • Supports 4-Pole OMTP Cross Point Switching for GND Connection
  • Integrates a MIC switch for 3- or 4-Pole Configuration Headset Plugs
  • Reduces “Pop and Click” Caused by Microphone Bias

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

    • Switch Type: 3-Pole/4-Pole MIC - GND
    • VCC: 2.3 to 4.5 V
    • THD (MIC): 0.001% Typical
    • ESD:
    • IEC 61000-4-2 (Air Gap): 15 kV
    • IEC 61000-4-2 (Contact): 8 kV
    • HBM (All Pins): 3 kV
    • GNDnA/GNDnB to GND: 8 kV
    • Power to GND: 10 kV
    • CDM: 2 kV
    • Operating Temperature: -40°C to 85°C
    • RON Maximum (GND1n): 0.08 Ω
    • RON Maximum (Sense): 1 Ω

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    Reference Price

    FSA850UCX

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    Obsolete

    CAD Model

    Pb

    A

    H

    P

    WLCSP-12

    567QG

    1

    260

    REEL

    3000

    N

    3

    3

    DPST

    20

    1

    2.3

    4.5

    Price N/A

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    Reliability Data

    Die Related Summary Data

    Device: FSA850UCX

    Equivalent to wafer fab process: CMOS SUB

    Product Technology

    Product Technology

    Equivalent Device-Hours

    MTBF/MTTF in Hours

    FITS

    CMOS SUB

    2

    920154574

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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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