Hi,
I am designing a board which drives the 2 Watt, 8 Ohm speaker (Part No: CMS-28528N-L152) in mono mode. External volume control knob is required to adjust the speaker volume output.
So, given provision to connect potentiometer.
Using the TI Audio DAC (Part No: PCM5100APWR) to drive the Audio Amplifier (Part No: LM4991MAX/NOPB). Output of DAC is controlled by external potentiometer (Pot Spec 100Kohm,0.25W, Part No: PDA241-SRT02-104A2 ).
Potentiometer Taper output is fed to the Audio Amplifier & output of Amplifier drives the speaker.
I have attached the Schematics of the design. Could anyone please review it & let me know if the circuit is correct.
Appreciate the quick response.
Thanks in advance.Audio DAC & Amplifier Circuit.pdf
Regards,
Sathiya