Audio Converters

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Audio Converters

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AIC26
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  • Forum Post: mic input to AIC26

    Kyle Thorburn
    Regarding the table on page of the AIC26 datasheet, under the "Microphone Input to ADC" section. The DS says: I translate the 0.707Vrms to 2.0Vpp input range. I've been assuming a 2.0Vpp input capability for years. I was just re-reading the DS and the 1.35V concerned me. Could...
    on Mar 31, 2010

  • Forum Post: AIC26 and Dynamic microphone dilemma

    H Stewart
    The dilemma is if I drive the TLV320AIC26 with a function generator (400Hz to 2KHz sine) at 50mv pk-pk I get an acceptable output. But if I drive it with a dynamic microphone (Z = 300 ohms) that easily produces 150mv pk-pk with a normal voice level and much more if you are loud. I get zero output...
    on Apr 7, 2010

  • Forum Post: Re: AIC26 and Dynamic microphone dilemma

    H Stewart
    Update: I got it to work byswitching to the differential input (Mic/Aux) and setting the filter coefficients to cut off the high end. The net results was noise reduction that permitted me to significantly increase the gain in ADC circuit. The TLV320aic26 and TSC2100 now works very well with a very...
    on Apr 11, 2010

  • Forum Post: AIC26 - VBAT1/2 pins floating

    Kyle Thorburn
    Are there any short or long term issues with leaving the VBAT1/2 pins on the AIC26 or due to the internal structure of the SAR, is it inherently self-terminated and safe to leave the inputs unconnected?
    on Apr 20, 2010

  • Forum Post: ADC3101, always present, high-pass filter in miniDSP?

    Chris Nielsen (formerly OctalRules)
    ADC3101 datasheet, page 27: Independent digital high-pass filters are also included with each ADC channel, with a corner frequency that can be set independently by programmable coefficients or can be disabled entirely. Page 36: A first-order IIR filter is always available, and is useful to...
    on Apr 26, 2010

  • Forum Post: Re: ADC3101 - thermal pad

    Chris Nielsen (formerly OctalRules)
    Good answer. Would this advice also apply to the AIC26? Are the two issues more or less severe for the AIC26 vs. the ADC3101? thanks, Chris
    on Apr 28, 2010

  • Forum Post: TLV320AIC26 differential mode "phase shift"

    ronnym
    I have been working with the 'aic26 and the CC1110 in an audio voice comms project similar to the AN082 app note. I am running a single speaker from HPR and HPL outputs in a capless differential configuration. At a 7.1KHz sample rate, there is an audible level shift on the DAC outputs. This was confirmed...
    on Mar 24, 2011

  • Forum Post: TLV320AIC26 Filter coefficients

    saci
    Hi all, I use TLV320AIC26 codec but i haven't used "ti biquad coefficient calculator" before and i don't know how to use it. I can't understand which values to write to codec registers. Can anyone explain or have a manual for this program. Thanks Best Regards
    on May 10, 2011

  • Forum Post: Timing Questions about TLV320AIC34

    Bruno Paillard
    We are starting a new project with several TLV320AIC34 on the same McBSP. In this project the relative synchronization of the various channels is important, and I have the following questions: - If several devices (configured as slaves) are cascaded on the same McBSP bus, is it possible for them to use...
    on Sep 30, 2011

  • Forum Post: Re: TLV320AIC3110 codec linux driver

    Pradeep TR
    We have used Audio Codec TLV320AIC3110 in our custom boad with TI8148 in EVM we have TLV320AIC3106 which is not register level compatible with the 3110. So we are able to configure Audio Codec it is connected to McASP2 as much as same in the EVM with pin to pin compatible in our custom board...
    on Feb 18, 2012

  • Forum Post: Re: TLV320AIC3110 codec linux driver

    Pradeep TR
    We have used Audio Codec TLV320AIC3110 in our custom boad with TI8148 in EVM we have TLV320AIC3106 which is not register level compatible with the 3110. So we are able to configure Audio Codec it is connected to McASP2 as much as same in the EVM with pin to pin compatible in our custom board...
    on Feb 18, 2012

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