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Questions tagged [cirrus]

Cirrus Logic, a supplier of high-precision analog and digital signal processing components

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2 votes
1 answer
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Grounded ADC pins on the CS4272-CZZR producing horrible noise?

I am currently busy with an audio processing project that requires 4 output channels. I have a Nucleo F303RE running some digital filtering on audio data, which is being read by one of the two CS4272s ...
Bennaman's user avatar
1 vote
1 answer
986 views

CS8406 Audio Interface (I2S->I2C)

I'm attempting to interface a MEMS Microphone with an ESP32 through a CS8406. I am aware that the ESP32 has a well-documented I2S hardware interface however for my project I cannot use it. (It's going ...
Caleb's user avatar
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0 votes
2 answers
406 views

Cirrus Logic CS4334 DAC Low Pass Filter?

I have a Cirrus Logic CS4334 audio DAC chip working (datasheet here). One thing that confuses me is the "typical connection diagram" circuitry from the datasheet shown below. In my ...
Terence D's user avatar
0 votes
1 answer
48 views

How can I know the voltage input range of the CS5344 ADC?

I see that this ADC has a built in voltage reference, therefore I wont have to bias my audio signal as it goes into the ADC input. The thing that confuses me is however the full-scale input voltage ...
BBales's user avatar
  • 145
0 votes
1 answer
2k views

Make outputs single ended on CS4234

I am working with the CS4234 codec for a project It has 4 ADCs and 5DACs. One thing that is confusing me is that the pins are labled AOUT1- and AOUT1+ in the similar fashion for all ADCs and DACs. ...
Funkyguy's user avatar
  • 3,598
0 votes
1 answer
548 views

CS4234 has two I2S data I/O lines?

I have an application where I'll be sending audio data to a codec. The CS4234 fits my needs very well, although with other I2S codecs, there have only been one data in line for the communication. The ...
Funkyguy's user avatar
  • 3,598