Friday, August 8, 2008

Audio Power Amplifier with TDA2003

Audio Power Amplifier with TDA2003

TDA2003 IC

TDA2003 has improved performance with the same pin configuration as the TDA 2002. The features of TDA 2002 - very low number of external components, ease of assembly, space and cost saving - are maintained.
The device provides a high output current capability(max. 3.5A), very low harmonic and cross-over distortion. A completely safe operation is guaranteed due to protection against DC and AC short circuit between all pins and ground, thermal over-range, load dump voltage surge up to 40V and fortuitous open ground.
VS - Peak supply voltage (50ms): 40 V
VS - Operating supply voltage: 18 V
IO - Output peak current (repetitive): 3.5 A
Ptot - Power dissipation at Tcase = 90°C: 20 W
Tstg, Tj - Storage and junction temp.: -40 to 150 °C

Audio amplifier schematic with TDA2003

10w Audio Amplifier with TDA2003
Fig 1: TDA2003 - 10W Audio Amplifier
Rx = 20 X R2; Cx = 1/ (2pi X B x R1); Vs = 15v


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