Analog and audio

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Forum board changes

Dear community member, The “Analog and audio” topic is no longer supported on the ST community. The legacy content is available only by the read-only basis. If you have any requests regarding "Analog and audio”  topics, check the alternative support ...

DC bias on STM32L using internal OP-AMP and DAC

Hi there,I have a signal which is in the range +600mV. I want to read this using the internal ADC on the STM32L475 uC. To do so, I know I have to shift the signal so it is fully above 0V and I want to do this by connecting the internal DAC to the non...

djd53 by Associate
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  • 1 replies
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Operational Amplifiers- Cap Type

  what type( ceramic or MLCC) of capacitor we suppose to use  In above both circuit C1 & C2 . Now modern MLCC capacitor available with plenty of advantage .  we can use MLCC instead of ceramic capacitor  in every circuit ? specifically op amp related...

MMARI1_2-1690261229775.png
MMARI.1 by Senior
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Resolved! SAI configuration of the STM32L5xxx board

Hello,I would like to know if there are people who have already configured the SAI PORT to communicate with a CODEC ?I configured like this :But I don't have the clock on the PIN PF7 :The SAI_MCLK_B is the curve in blue. Thank you for your helps.Rega...

DYann1_0-1690208469198.png DYann1_1-1690208589059.png
DYann.1 by Senior II
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  • 18 replies
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STWINMAV1 + FP-AI-PREDMNT

HI ,Has anyone tried to use the STWINMAV expansion board with STEVAL-STWINKT1B board with the firmware FP-AI-PREDMNT?I am having difficulties to set up the SAI using the eloom approach.Hope in any tips, hint!ThanksMassimo

CS42L51-I2C

Hello,I have a evaluation board ST32L552E-EVAL, and I would like to know how it works the I2C with this component (for example to initialize the component. Do you know where can I find examples of this board with I2C communication ?I can download an ...

DYann.1 by Senior II
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  • 1 replies
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TSV992A turn off output for few ms

Hello together,We are using the TSV992A to measure a current across a 10mOhm shunt resistor. We use a non-inverting amplifier circuit with a gain of 17.6. With a voltage divider (10k-10k) we create an offset voltage at the In+ input.The amplifier is ...