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 ...

TLO64 driving IL300

Posted on July 11, 2015 at 09:29Dear Forum members, In one  of my application, I need to drive photo LED of IL300 through TLO64. But it is not working. If I just replace TLO64 with TLO74, everything works proper. My initial guess was that TLO64 migh...

Features of TDA7264

Posted on July 10, 2015 at 09:08Hi!I'm new in this world and it's posible that my questions are not the most intelligent. I'm designing an array of loudspeakers and i have thought to use the TDA7264 amplifier, but i have some questions:· For the pow...

cperuj23 by Associate II
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STA369BW - hard clip mode

Posted on June 23, 2015 at 00:48Hi, How can I configure the ST369 in a clipping mode. In the datasheet I found the configuration for: - Anti-clipping mode - Dynamic range compressing mode. Does there exists a configuration to switch-off both modes? ...

cascading STA309A for 6channel digital audio mixer

Posted on May 13, 2015 at 20:08Hi,Please suggest a method to design 6-channel audio mixer using STA309A.  6 Bluetooth devices will be interfaced to the SDI inputs of the mixer and the 6 mixed outputs will be given to the BT modules through SDO.Thank...

Directional Sound capturing with STA321MPL

Posted on May 14, 2015 at 23:54Is there an example configuration that gives the same results as the video in ''Directional Sound Capturing with ST MEMS microphones and Smart Voice processors'' ?I am curious how the microphone signal delay was applie...

jon23 by Associate
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TDA7391 MUTE and SYNC pins

Posted on May 11, 2015 at 02:41The TDA7391 (http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00000162.pdf) has two pins that are named MUTE and SYNC. SYNC is supposed to be connected to ground through a resistor (...

leon2 by Associate
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TDA7492P Load Impedence

Posted on May 08, 2015 at 23:17Hello, I am designing an Audio Amplifier that is capable of connecting to 4 ohm, 6 ohm and 8 ohm speakers. I need to be able to run at an output of 25W at 25V so I decided to go with the TDA7492P. For reference, I have...

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max2 by Associate
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Audio Comparing and switching

Posted on April 21, 2015 at 17:23Hello,I want to save between 1 and 5 noises or sounds as reference, whenever;Nr1 noise is played (source can be input of speakers) the relay needs to be switched 1 timeNr2 noise is played (source can be input of spea...

alkan by Associate
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H629B1

Posted on March 09, 2015 at 18:12Hi, Does someone has this IC's datasheet? Or better, can someone help my buy some of those chips? Thank you very much, Alex

TDA2003 going obselete

Posted on March 19, 2015 at 12:02Is there a replacement for the TDA2003 or can  any one recommend a similar audio amplifier that can drive loads down to 1 ohm? #tda2003