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  • OPA1622EVM: EVM Releases Magic Smoke

    Resolved
    Part Number: OPA1622EVM Other Parts Discussed in Thread: OPA1622 , , OPA1637EVM Testing an opa1622evm and powered it with 2x 13v batteries. I then connected the balanced output of a topping e70 dac to it and with no load the evm measured 4.8 vrms in…
    • Resolved

  • TLV320AIC3104EVM-K: Low Audio Output When Connecting TLV320AIC3104 to PGA4311EVM

    Part Number: TLV320AIC3104EVM-K Other Parts Discussed in Thread: PGA4311EVM , TLV320AIC3104 , PGA4311 , OPA1622EVM , OPA1622 Hello, I’m using the TLV320AIC3104 Codec EVM to generate audio and feed it through the onboard 33 kHz low-pass filter (test…

  • TLV320AIC3254: How to drive high impedance stereo headphones (Optimal settings / suitable amplifier IC)?

    TI Thinks Resolved
    Part Number: TLV320AIC3254 Other Parts Discussed in Thread: CC3235SF , , TPA6120A2 , OPA1622EVM , TPA6120A2RGYEVM Tool/software: Hello, We have a design for a WiFi audio device using a CC3235SF MCU with a TLV320AIC3254 codec, powered by a pair of…
    • Answered

  • OPA1622: Single supply operation

    Resolved
    Part Number: OPA1622 Other Parts Discussed in Thread: , OPA1688 Could the OPA1622 be used with a single supply? I tried connecting +5V to the VCC of the OPA1622EVM and connected the VEE pin to the GND pin (and to the return of the power supply). The audio…
    • Resolved

  • RE: THP210: Why don't you directly connect to GND instead of a 0V power supply?

    Hi Kai, Thank you for your response. Hi Hongmei, Using a solid ground plane is a good way to provide a good analog signal ground. You can take a look at the THP210EVM User's Guide for a 4-layer PCB example, where the layer beneath the device is…

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