TDA2822M internal R1 and R2 value ?

[danuphonj]

Posted on July 19, 2013 at 11:43

I need to know internal R1 and R2 value of  TDA2822M

to adjust gain

[Nickname14663_O]

Posted on February 14, 2014 at 13:20

Hello,

This forum is dedicated to operational amplifiers, comparators and current sensing products. In order to be more efficient with appropriate answers, another e2e forum has been created for audio amplifiers. In order to have an accurate answer by our audio support team, would it be possible to copy/paste your question to the related forum please ? Here is the hyperlink shortcut :

https://my.st.com/public/STe2ecommunities/analog/Lists/Audio%20Amplifiers/AllItems.aspx

Sorry for the inconvenience. Best regards, Sylvain

[Nickname1623_O]

Posted on February 18, 2014 at 04:57 hi danuphonj, you can added a 1K ohm or 100 ohm resistor in series with 100uf coupling capacitor(pin5 and 8 , negative input pin) , then compared difference of 1Khz gain to get feedback resistor value. thanks .