Diodes Incorporated
SO 8

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APX4558 (Obsolete)

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The APX4558 device is a dual low noise (8 nV/?Hz typical at 1 kHz) operational amplifier. The wide bandwidth (3MHz) and low noise make it very suited to audio applications.The device is short-circuit protected, and the internal frequency compensation ensures stability without external components.


  • Audio preamps
  • RCA line out buffers
  • Product Specifications

    Product Parameters

    Autmotive Compliant PPAP No
    Compliance (Only Automotive supports PPAP) Standard
    Input Bias Current typ (nA) 150
    Input Offset Voltage typ (mV) 0.5
    Maximum Input Common Mode Voltage (V) V+ -3
    Maximum Supply Voltage (V) 15
    Minimum Input Common Mode Voltage (V) V- +3
    Minimum Supply Voltage (V) 5
    Number of Channels 2
    Operating Ambient Temperature Range (°C) 0 to 70
    Output Current Sink (mA) 30
    Output Current Source (mA) 30
    AEC Qualified No
    Rail-Rail None
    Supply Current @ 5V (per Op Amp) (mA) 1.25

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    Recommended Soldering Techniques


    RoHS CofC

    Product Change Notices (PCNs)

    A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

    PCN # Issue Date Implementation Date Subject
    PCN-2519 2021-05-20 2021-11-20 Device End of Life (EOL)
    PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site