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5Offset NullThis pin is used to get rid of offset voltage balance the input voltage.

VS-36MB120A-VISHAY

5Offset NullThis pin is used to get rid of offset voltage balance the input voltage.

700mA is enough to handle variety of loads for example relaystechnical specs and other information about this IC.

VS-36MB120A-VISHAY

5VoutIt is the output pin which provides the amplified output of the input signal.The pin 1 and 8 is connected through the 10uF capacitor to increase gain of the circuit to 200.4GroundPin4 is a Ground / Negative pin that is the ground of entire IC circuitry.

VS-36MB120A-VISHAY

Always check twice the connection in the circuit to save from accidental short circuit.How to Safely Long Run in a Circuit:To get long term and stable performance from LM386 it is recommended to not operate the IC with more than 18V DC.

VS-36MB120A-VISHAY

Application Circuit :The figure below shows an audio amplifier circuit built using the LM386 audio frequency amplifier IC.

you can also replace this 10uF capacitor with a 1K variable resistor to get the required gain value between 20 to 200.Always use a suitable heatsink when driving loads more than 200mA.

The collector current of upto 1.and BD379BD135 Transistor Explained / DescriptionBD135 is one of the transistors of the popular BD series in which you will also find other widely used transistor such as BD131.

for example BD135-6 gain will be 40-100.For example you can drive high power LEDs.

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