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  • RE: OPA1622: Weird Line Driver

    Chris, Zach - I'm back from looking at high speed amps, less than enthused at cost / Iq / Vos. Which is OK, because I figured out a way to do it with an OPA1602. There is no peaking and phase is aligned out to 800kHz. Huzzah. You'll see why the Rf…
    • Answered

  • OPA1622: I connected pin 3 (GND) to V-(-12V) instead of GND.

    Resolved
    Part Number: OPA1622 I connected pin 8 (EN) of OPA1622 to V+ (+12V), pin 3 (GND) to V- (-12V) instead of GND, and connected the other pins as specified and continued to use them. If so, what are the possible inconveniences?
    • Resolved

  • OPA1622: I connected pin 3 (GND) to V-(-12V) instead of GND.

    TI Thinks Resolved
    Part Number: OPA1622 I connected the 8th pin (EN) of the OPA1622 to V+ (+12V), the 3rd pin (GND) to V- (-12V) instead of GND, and connected the other pins as specified and continued to use them. If so, what kind of failures and effects are possible? …

  • OPA1622: OPA1622

    TI Thinks Resolved
    Part Number: OPA1622 Other Parts Discussed in Thread: INA1620 Hello, I have to design an audio driver to drive a handset or headset: Handset - 20 ohms and sensitivity 107 dB@1 mW Headset - 625 ohms and sensitivity 112 dB@ 1mW What op amp do you recommend…
    • Answered

  • OPA1622: Parallel Operation

    Resolved
    Part Number: OPA1622 Other Parts Discussed in Thread: INA1620 , TINA-TI Has anyone ever tried the OPA1622 in parallel operation (to increase output current)? Is there by chance an app note for this configuration? Would you say the 1622 is better suited…
    • Resolved
    • Answered

  • OPA1622: OPA1622

    Resolved
    Part Number: OPA1622 I am trying to add the OPA1622 op amp to an LTSpice schematic. I downloaded the OPA1622 PSpice model shown above. However, I cannot tell which file in the download is the file to use for the LTSpice model. Can you please tell me…
    • Resolved
    • Answered

  • OPA1622: enable feature not behaving as expected

    Resolved
    Part Number: OPA1622 Hello All! I'm experiencing a very odd behavior when trying to use the enable pin feature of the OPA1622 in the clipper circuit below: As can be seen above, I'm setting the GND pin to -9V in order to reference the enable signal…
    • Resolved

  • OPA1622: Opa1622

    TI Thinks Resolved
    Part Number: OPA1622 Hi Team, My customer uses opa1622 for I / V and differential output stages (driving 32 ohm headphones with 40mW per channel). The power supply voltage of opa1622 is + / - 5V. How much current does this part of the circuit need? Thanks…

  • OPA1622: OPA1622-Noise

    Part Number: OPA1622 Hi Ti Team， My Customer have a new project(Headphone), The main control QCC5126 will interfere with OPA1622 and emit a sizzling sound. Is there any solution?Below is the schematic

  • OPA1622: Enable pin behavior on input output - Output not off, but clipped

    Part Number: OPA1622 Hello All, I've received a simple unity gain board that I designed and noticed a very odd behavior: when shorting the OPA1622 enable pin to ground, the output is clipped between -1.4V and +1.6V. It was my understanding that when…
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