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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 ...

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 ...

Usage of iio_readdev application for IIO triggered buffer

I am able to read the IIO triggered data through hexdump utility on my device.# hexdump -e '"iio0 :" 8/2 "%04x " "\n"' /dev/iio:device1iio0 :036b 0368 0358 0369 0369 036b 0369 036biio0 :036c 0368 036b 0368 036f 0370 036e 036biio0 :0b62 0b6a 0b68 0b5f...

bhagis by Associate
  • 142 Views
  • 0 replies
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How to fix Noise issues in PDM to PCM Conversion?

Hey,We are implementing digital microphone interfacing using ST's IMP34DT05TR microphones connected to the STM32G473VET6 microcontroller through the PDM interface, following guidelines from the application note AN5027, specifically Example 3.The conf...

AiROT by Associate II
  • 532 Views
  • 1 replies
  • 1 kudos

TDA7294 Bridge application

Hello everyone. Regarding an amplifier with two TDA7294 in bridge configuration, looking at the diagram, on IC 1 at pin 3, there is a high pass filter formed by the 0.56uF capacitor C1 and the 22K Ohm resistor. The cutoff frequency is 12,91 Hz. I wou...

Datasheet - TDA7294 - 100 V, 100 W DMOS audio amplifier with mute-st-by - tda7294.jpg
Enrico_I by Associate II
  • 1397 Views
  • 20 replies
  • 8 kudos

POWER IC FDA901 DC diag open circuit

what is the block meaning between 22.2Ω to 36Ω?what if the detected resistance value is 30Ω, what will be written in the registor and what is the result will be reported? 

orin_0-1731054579410.png
orin by Associate
  • 201 Views
  • 1 replies
  • 0 kudos

TDA7294

Hi, no sound at all from one of the studio monitors that each use 2 TDA7294 IC’s. Pulled out PCB from both monitors. The board that functions normal, the TDA7294s get warm after a minute or so, that’s a good sign, and yes this one works fine. The oth...

dt555 by Associate
  • 255 Views
  • 2 replies
  • 0 kudos

FDA903S detailed user manual

I wolud like to use a Class-D Audio Power Amplifier FDA903S with STM32F103RC microcontroller, but I can not find a detailed user manual of FDA903S. On the product page is only a short 15 pages description.Where can I find the details from this amplif...

hankotom by Associate
  • 748 Views
  • 1 replies
  • 1 kudos

TDA7492E - analog input section.

Hello,I have two questions regarding TDA7492E amp. 1. What is the common voltage for audio inputs? 2. What is the maximum usable voltage on audio inputs? I would like to increase amplitude by op-amps, not the amp gain. Thank you and best regards,Prze...

Przemex by Associate
  • 704 Views
  • 3 replies
  • 0 kudos