This audio amplifier circuit using the TDA2003 integrated circuit which has the same configuration and pinouts of the TDA2002. The interesting thing is that this integrated uses very few external components, assembly is very simple, low cost and uses little space. The TDA2003 amplifier IC provides an output current up to 3.5 A, very low harmonic and cross-over distortion. Has short circuit protection DC and AC, thermal protection above the permissible range, load dump voltage surge up to 40V and incidental breaks ground.
TDA2003 Amplifier Circuit Schematic
NOTE: The integrated output TDA2003 must be attached to an aluminum heat sink for the heat emitted by them is dissipated. If you put the heatsink, integrated tightly screwing on, surely the amplifier will burn in a few minutes.
4558 Preamplifier Schematic
The main component of the preamplifier with tone control circuit is the integrated circuit C4558. The original is the integrated enterprise JRC4558 New Japan Radio Co., but they say only (C), at good quality as other brands. The 4558 is a dual op amp low noise. It is one of the most used in professional audio for excellent response and defined sound. You can use other replacements as the TL072, but the sound is not the same, although it is also good.
source: construyasuvideorockola.com TDA2003 amplifier PCB schematic alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-25395.zip
Published: 2014/03/05 Tags: audio amplifier circuits, ic amplifier
2X40W Amplifier Circuit TDA1560Q
TDA1560Q is an integrated bridge amplifier operating in class B and H. The amplifier is able to deliver load power 8W 30W at maximum distortion of 0.5% (40W; THD = 10%). The supply voltage of the amplifier is in the range of 8 to DC 18V with maximum demands in the supply branch 4 – 6A. With a supply voltage range 8- 18V circuit is predestined to design amplifiers for cars. The voltage gain amplifier is 30 db at 55 db channel separation. Input impedance is 100 – 300kW. The integrated circuit is housed in a casing SIL17 that can be compactly mounted on
Stereo Klangregelung 12V-Verstärker Schaltung mit TDA200
Dieser audio Verstärker Schaltung mit dem TDA2003 integrierte Schaltung, die gleiche Konfiguration und Pinbelegung der TDA2002. Das interessante an der Sache ist, dass dieser integrierte nutzt sehr wenige externe Komponenten, die Montage ist sehr einfach, niedrige Kosten und verbraucht wenig Platz. Der TDA2003 Verstärker IC liefert einen Ausgangsstrom von bis zu 3,5 A, sehr geringe harmonische und crossover Verzerrung. Verfügt über Kurzschluss Schutz, DC-und AC -, Wärmeschutz über den zulässigen Bereich, load-dump-Spannung überspannungsschutz bis 40V und zufällige Pausen Boden.
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