TDA7850 is a TV field output integrated circuit, and TDA7388 audio amplifier integrated circuit, the two have very different materials are also very different
The TDA7850 is the field output integrated circuit of the TV, while the TDA7388 audio power amplifier integrated circuit.
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An integrated circuit is a tiny electronic device or component.
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Using a certain process, the transistors, diodes, resistors, capacitors and inductors required in a circuit and wiring are interconnected together, made on a small or several small pieces of semiconductor chips or dielectric substrates, and then packaged in a tube shell to become a miniature structure with the required circuit functions.