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  • OPA1622: Shut down output

    Resolved
    Part Number: OPA1622 Tool/software: Hi, I'm hoping to continue the conversation from this previous thread here: https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1421389/opa1622-en-shutdown-not-working Does your team have recommendations …
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  • OPA1622: EN (Shutdown not working)

    Resolved
    Part Number: OPA1622 Other Parts Discussed in Thread: OPA1632 Tool/software: Hello, I am using the OPA1622 in a design as unity gain buffer, as shown below. The Enable pin is normally pulled up to 34V1 (34V) using a 22k resistor. Then I have an external…
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    • Answered

  • OPA1622: Missing Package Data

    Resolved
    Part Number: OPA1622 Tool/software: I am unable to find a dimensioned package drawing fore this device. The package name is VSON (DRC). I have checked on your website and the datasheet obviously. Can you please help.
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    • Answered

  • OPA1622: studio headphone amplifier design review

    Resolved
    Part Number: OPA1622 Tool/software: Hi, I am making a studio headphone amplifier product based on the AK4499EX DAC (as discussed in a linked post). I would like more output power than a single OPA1622 can provide (300mA current would be ideal, even at…
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  • LME49600: OPA1622 headphone amplifier design review / TINA-TI instability at low rail voltages

    Resolved
    Part Number: LME49600 Other Parts Discussed in Thread: OPA1622 , , TINA-TI , BUF634 , BUF634A , OPA1633 Tool/software: Hi, I am designing a headphone amplifier for use in recording studio applications. It will need to drive high-impedance headphones to loud…
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    • Answered

  • OPA1622: Theta-JC

    Resolved
    Part Number: OPA1622 Tool/software: Hi Experts, Good day! I'm looking for the thermal resistance information for the p/n below. No information in the datasheet can you share with us the thermal resistance and theta-JC of the device? OPA1622IDRC…
    • Resolved

  • OPA1622: EN input current

    TI Thinks Resolved
    Part Number: OPA1622 Hello, the typical EN pin input current for +25°C is given in the datasheet with 1.5 uA. Please specify the maximum input current considering the temperature range -40..125 °C. Is the input current caused by a pull-up or a…

  • OPA1622: TINA Simulation Phase Margin VS Capacitive Load

    TI Thinks Resolved
    Part Number: OPA1622 Hi team, I downloaded the OPA1622 model on TI's website and used TINA TI to simulate the phase margin at different capacitive loads and found the simulation results to be inconsistent with the datasheet curve. According to the…
    • Answered

  • OPA1622: LPF Circuit Review

    Resolved
    Part Number: OPA1622 Other Parts Discussed in Thread: TINA-TI , OPA145 Hello, I would like to use OPA1622 directly on output of high-end DAC using the following DAC-vendor-recommended circuit: Are there any concerns with the component values in this…
    • Resolved

  • OPA1622: opa1622

    Part Number: OPA1622 Other Parts Discussed in Thread: OPA1641 , INA1620 , , TPS61322 , LMV1015 , LMV721 , OPA172 Hello, not sure if this the appropriate part to use for my application, so here is what I am trying to do. Need an audio chip that can take high…

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