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  • RE: INA1650: Ground / earth / chassis . ref connections

    Hi David, A colleague of mine shared this application note from RANE Commercial Audio Products below. There is a lot of great information in the app note on how to connect the Chassis and Signal Grounds. Grounding_&_Shielding_of_Audio_Devices.pdf …
    • Answered

  • INA1650-Q1: Balanced XLR driver with single supply

    Resolved
    Part Number: INA1650-Q1 Other Parts Discussed in Thread: INA1651 Tool/software: Dear all, as follow up since my last preliminary question on that, I've designed the balanced XLR driver stage, based on the information from the datasheet. As you can…
    • Resolved
    • Answered

  • INA1650-Q1: lower gain possible ?

    Resolved
    Part Number: INA1650-Q1 Other Parts Discussed in Thread: INA1651 , RES11A-Q1 Tool/software: Dear all, this is another question on the INA1651 which (as you now know well !) I'm planning to implement as balanced line receiver (single supply). The device…
    • Resolved
    • Answered

  • INA1650-Q1: XLR receiver with single supply - PSRR and noise

    Resolved
    Part Number: INA1650-Q1 Other Parts Discussed in Thread: INA1651 , TPS709 Tool/software: Dears, good morning, I had previously asked a question about the INA1650-Q1, thank you again. You'll remember this INA1651 will be deployed in single supply mode…
    • Resolved
    • Answered

  • INA1650: Input voltage range then unpowed

    Resolved
    Part Number: INA1650 Tool/software: We're looking at using the INA1650's XLR example circuit (8.2.1 / page 22 from the datasheet), but are worried about audio being fed to the device when it's in an unpowered state. Here's an excerpt from…
    • Resolved
    • Answered

  • INA1650-Q1: INA1650 implemented as balanced line driver, from single ended input. Single power supply (plus INA1651 implemented as balanced line receiver)

    Resolved
    Part Number: INA1650-Q1 Other Parts Discussed in Thread: INA1650 , INA1651 Tool/software: Good afternoon, I'm in the process to add balanced input and output to a tube hifi preamplifier I'm designing, as part of a new commercial product development.…
    • Resolved

  • INA1650: Differential line receiver to drive upcoming TAA5212 ADC

    TI Thinks Resolved
    Part Number: INA1650 Other Parts Discussed in Thread: TAA5212 , , OPA1637 Tool/software: For a pro audio application we've selected the upcoming TAA5212 as our ADC and are looking for a high CMRR input circuit to properly drive it. I'm relatively new…
    • Answered

  • INA1650: Question on DC bias

    Resolved
    Part Number: INA1650 Other Parts Discussed in Thread: OPA1677 , OPA1688 In the datasheet of OPA1677, there's an example circuit (copied below) that illustrates the use of said op-amp to force the output voltage of a INA1650 stage to 0v. However, the…
    • Resolved

  • INA1650: INA1650IPWR

    TI Thinks Resolved
    Part Number: INA1650 Hello I have one question about gain. In datasheet there is only information about it "gain =1". But how should I understand this information? XLR has standard 4V RMS (between "+" and "-"). If we have 4V RMS on XLR, then…

  • INA1650: High failure rate in commercial product

    TI Thinks Resolved
    Part Number: INA1650 Other Parts Discussed in Thread: DRV135 Hello, I have a commercial audio product that uses INA1650IPWR for input line receiving. I have noticed that approximately 5% of the products have been returned for repair within 1 year of purchase…
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