Analog and audio

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How can i get the Vbat actual value from ADC?

Hello,i'm using STM32G070, The firmware i have programmed converts the analog voltage to didital using ADC. the code is below:the values i get from this is :OUTPUT:In the datasheet it is mention that a resister bridge for VBAT is 39K ohm which has ra...

_legacyfs_online_stmicro_images_0693W00000dDX43QAG.png _legacyfs_online_stmicro_images_0693W00000dDX48QAG.png _legacyfs_online_stmicro_images_0693W00000dDX4IQAW.png
MQasi.2 by Associate II
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  • 2 replies
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Resolved! G Letter on TDA7297

Hi, everyoneWhat does the letter G printed on the STmicroelectronics TDA7297 IC mean?See attached image fileThanks

G on TDA7297.jpg

Resolved! STM32H732 I2S Unstable Clocks (Stutter)

I have set up a project in STM32CubeMX.I have setup both I2S1 for Receiving and I2S2 for Transmiting with DMA.After the normal initalization i start receiving from the DMA:  if (HAL_I2S_Transmit_DMA(&hi2s2, (uint16_t*)&output_buffer, 1) != HAL_OK) { ...

Gkatsos by Associate III
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  • 13 replies
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Resolved! TSV912IQ2T absolute maximum input voltage

The following are some questions related to the absolute maximum ratings of the TSV912IQ2T which are not clear from the datasheet. Can the voltage on the input pins (2,3,5 and 6) swing to values greater than VCC + 0.2V (for example 50V) if the curren...

whabib by Associate
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  • 1 replies
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tda 7560 ic not working problem

I bought this chip and pcb circuit from the internet, then when I plugged all the components into the pc and powered it up, I couldn't get any sound. When I powered up the circuit, it got hot inside, but only a low sound came from one speaker pin, bu...

FicoresS by Associate II
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  • 6 replies
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Change TDA7808 for TDA7803

Hi. I bought a multimedia screen for my car that I wanted with the TDA7803 chip, but the seller sent me a unit with the TDA7808 chip. I'm noticing that the chip is getting too hot. I am using speaker system with less than 4 ohms. That's why I wanted ...

Resolved! Identifying an ST chip

I am currently working on repairing a Taramps MD3000.1 car amplifier. There is an ST chip with the following markings: 319MZLBD38 or it could be MZLB038.I'm not sure what it is and am having quite a time finding that out. I appreciate any feedback!