TDA Amplifier Circuits

Posted on Feb 4, 2014

TDA integrated circuits series are very well apreciated and used in amplifier designs and projects. TDA audio amplifier circuits are produced in generally by Philips and SGS-THOMSON. The most used ICs are TDA2030 and TDA2003 for small audio amplifiers kits and TDA7294 for higher power amplifiers. In this article we present some representative

TDA Amplifier Circuits
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amplifiers schematics with TDA circuits: car and home audio amplifiers with datasheets below every circuit diagram. TDA2003 is a cheap amplifier that is designed to run on single rail power supplies (unipolar). It provides a high output current capability (up to 3. 5A), very low harmonic and cross-over distortion. TDA2005 is a class B dual audio power amplifier specifically designed for car radio applications. Its high current capability (up to 3. 5 A) and the ability to drive very low impedance loads (down to 1. 6 ohms) makes this circuit a good choice for cheap power booster amplifiers. TDA2030 is a monolithic integrated circuit in Pentawatt package, intended for use as a low frequency class AB amplifier. Typically it provides 14W output power (d = 0. 5%) at 14V/4 © at ± 14V or 28V, the guaranteed output power is 12W on a 4 © load and 8W on a 8 © TDA 2050 is a monolithic integrated circuit in Pentawatt package, intended for use as an audio class AB audio amplifier. Thanks to its high power capability the TDA2050 is able to provide up to 35W true rms power into 4 ohm load @ THD = 10%, VS = ±18V, f = 1KHz and up to 32W into 8ohm load@ THD = 10%, VS = ±22V, f = 1KHz. Moreover, the TDA 2050 delivers typically 50W music power into 4 ohm load over 1 sec at VS= 22. 5V, f = 1KHz. TDA7294 is a monolithic integrated circuit in Multiwatt15 package, with high output power (up to 100W) intended for use as audio class AB amplifier in...

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