I have the data sheet for the TDA and if i have followed it correctly then R15 in my circuit should be 20.R17. However It tends to go into oscillation if i go much over 50% on the volume control. Hi all I have recently completed a project which uses a TDA2003 amplifier. If you are further interested in TDA2003 related topics I have another post Car audio amplifier using TDA2003. Input ground and output ground must be properly decoupled. PCB layout for this circuit can be found on the datasheet of TDA2003. 5.0 out of 5 stars Best Sellers Rank #13,300 in Computer Cable Adapters. TDA2003 2ch-Amplifier package IC Product information Manufacturer ST microelectronics ASIN B073YDFJRC Item model number pcb board Customer Reviews: 5.0 out of 5 stars 2 ratings. Source: wp. Power output: 6W into 4 ohms at 10% 1kHz distortion with power supply 14.4V Power output: 10W into 2 ohms at 10% 1kHz distortion with power supply 14.4V Power output: 4.5W into 4 ohms at 0.15% 1kHz. A complete guide for building stereo and bridged audio amplifiers with the TDA2003, with tips for optimal PCB layout, grounding, and component selection. TDA2003 application Quick facts TDA2003 / TDA2003A. Recommended Experience: lower intermediate, knowledge of amplifiers, PCB etching, heatsink attaching, and (optional) mains qualification.
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