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Questions tagged [cirrus]

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

Cirrus Logic, Inc. is a premier supplier of high-precision analog and digital signal processing components for audio and energy markets. Founded in 1984, Cirrus Logic excels at developing complex chip designs where feature integration and innovation is a premium. Cirrus Logic has more than 2,100 patents that are key to our more than 700 products serving more than 2,500 end customers globally, through both direct and distributor-based channel sales.

Cirrus Logic Site

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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 to connect to a smartwatch I developed in which…
Caleb
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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 experience with audio DACs, the R and C values on the output lines…
Terence D
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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 listed in the datasheet: So say my supply voltage…
BBales
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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. The device states it can do single ended, which I…
Funkyguy
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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 CS4234 has two input data lines and two data out…
Funkyguy
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