Resolved! G Letter on TDA7297
Hi, everyoneWhat does the letter G printed on the STmicroelectronics TDA7297 IC mean?See attached image fileThanks
Forum Posts
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) { ...
AVAS - AEK-AUD-D903V1 Audio out on speaker via I2C
Hi, i have a AEK-AUD-D903V1 evaluation board, speaker. I want to play speaker only using I2C. is it possible How should i progress? Also, my MCU is not ST product
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...
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!
EMI issues with the TDA7492E
Hello -We are having issues with EMC compliance with the TDA7492E. We have broadband radiated EMI between 100MHz and 200MHz that is above the limits. I've included a screenshot of the testing lab's report with the radiation. I've attached our schemat...
Resolved! Laney LA65C, TDA7294
Hello, I have a guitar amp Laney LA65C where the output amp is faulty, it consists of a TDA7294 IC, I put in a new TDA7294 but it exploded as soon as the power was turned on. I checked the input voltage and it is correct 26 volts, what could cause it...
spi receives mp34dt05pdm data
我现在想用stm32F407系列的spi口来采集mp34dt05的PDM麦克风的数据，但是我发现我采集到的pdm数据流基本上不会因为我的环境变化而产生任何变化。你能详细告诉我spi是怎样的吗？要接收mp34dt05的数据，麦克风芯片mp34dt05有驱动文件吗？如果有的话可以发给我吗？感谢您的关注。Translated from Chinese to English: I am now trying to use the spi port of the stm32F407 series to c...
Resolved! Assistance indentifying component - ZKW diode
Hello, I am attempting to identify a component from a switch mode power supply out of a audio preamp.I am 90% confident it is a zener diode, but after that I am at a loss. Markings (cathode band on left):(ST) 98ZKW *not sure if there is a space betw...