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  • 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…
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    • 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.…
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  • 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…
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  • 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…
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  • 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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  • INA1650: Static power consumption and temperature

    Resolved
    Part Number: INA1650 Im making a PCB to process signals where I use the INA1650, but when on standby (static) with the pcb pluged in the INA1650 gets hot and draws a considerable amount of power. I cant seem to find the issue, i dont see any shortcircuits…
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  • INA1650EVM: 3 INA1650s fed from one signal

    Resolved
    Part Number: INA1650EVM Other Parts Discussed in Thread: INA1650 , DRV134 , INA134 Hello, I have a few questions about using the INA1650 as a differential line driver (per Fig 62 of the datasheet): 1) I would like 3 independent outputs, so the input signal…
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  • INA1650: Input Bias Current Specification

    TI Thinks Resolved
    Part Number: INA1650 Other Parts Discussed in Thread: INA1651 What is the input bias current specification for the INA1650 and INA1651?

  • INA1650: application problem

    Part Number: INA1650 Other Parts Discussed in Thread: INA1620 Use INA1650 to do differential input, single end output audio circuit, input end added phantom 48V power supply, help to see the next schematic connection method has a problem, Thank you…

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