TDA 2822M audio amplifier

K

Kid Twist

New Member

• Jun 22, 2009

• #1

Hello!
As my first electronics project, I am trying to build a small audio amplifier using the "TDA 2822M" ic.
I am using this stereo schematic from the datasheet:


**broken link removed**

My question is: where should I connect the negative voltage?


Thanks in advance for any help!

 

Nigel Goodwin

Super Moderator

Most Helpful Member

• Jun 22, 2009

• #2

To the chassis symbols, pin 4 of the chip, and all the rest.

 

Chippie

Member

• Jun 22, 2009

• #3

I've drawn in all the connections you need to make....see the sketch..

 

Attachments

• TDA%202822M.JPG

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Nigel Goodwin

Super Moderator

Most Helpful Member

• Jun 22, 2009

• #4

Missed out C3!

 

Chippie

Member

• Jun 22, 2009

• #5

Oh bummer!...Ah well least he gets the idea..

 

unclejed613

Well-Known Member

Most Helpful Member

• Jun 22, 2009

• #6

yes.... it's a single supply amp, not a dual supply amp...... at least that's what i thought he was asking......

 

K

Kid Twist

New Member

• Jun 22, 2009

• #7

Thanks for the help, it works great now!