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Frequent questions

  • [FAQ] TLV320AIC CODECs and ADCs: How to change a coefficient dynamically without MCU interaction

    Is it possible to dynamically change coefficients without MCU interaction?

  • [FAQ] TLV320AIC CODECs and ADCs: How To Get started with PurePath Studio

    Hello, What is the best way to get started using PurePath Studio?

  • [FAQ] TLV320AIC CODECs: Converting from linear or dB values into hex values

    How do i convert linear or dB values into hex values for the mini-DSP in the TLV320AIC CODECs?

  • [FAQ] PCM4220: PCM4220 Idle Tone

    Part Number: PCM4220 Is it possible for the PCM4220 to create idle tones?

  • [FAQ] PCM4220: PCM422x thermal impedance data

    Part Number: PCM4220 Other Parts Discussed in Thread: PCM4222 Can you provide the thermal impedance data for the PCM4220 and PCM4222 devices?

  • [FAQ] PCM4204: PCM4204 Ch-to-Ch THD Performance

    Part Number: PCM4204 We observe that the THD vs. frequency performance varies between channels while SNR stays the same. Is this expected, and if so, what influences the variations in THD performance?

  • [FAQ] PCM1860: What should I do with unused inputs on the PCM1860 and other devices in the PCM186x family?

    Part Number: PCM1860 What should I do with unused inputs on the PCM1860 and other devices in the PCM186x family?

  • [FAQ] TLV320AIC3254: Should I connect a capacitor to a MICBIAS pin? What should I do about noise?

    Part Number: TLV320AIC3254 Other Parts Discussed in Thread: TLV320AIC3104 Should I connect a capacitor directly to the output of the MICBIAS pin of the TLV320AIC3254, TLV320AIC3104 and other similar devices?

  • [FAQ] TLV320AIC3254: Recommended power supply sequence for TLV320AIC family of CODECs

    Part Number: TLV320AIC3254 Other Parts Discussed in Thread: TLV320AIC3204 What is the recommended power-up sequence for the TLV320AIC3254, TLV320AIC3204 and other similar TLV320AIC CODEC devices?

  • [FAQ] TLV320AIC CODECs: Can I drive high impedance loads with a headphone amplifier?

    Can I drive higher impedance loads with a headphone amplifier that the impedances specified in the datasheet?

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