Datasheet for the LM358, revision 7, a 133 KB PDF. The LM358 is a widely used dual operational amplifier found in power supplies, chargers, audio stages and control circuits. The datasheet gives the pinout, supply voltage range, electrical characteristics and typical application circuits. Technicians use it to identify pins when probing, check expected voltages and pick a replacement. Different manufacturers produce this part, so check the marking and package on your chip.
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