This part is a kind of semiconductor called IL358.

Function of this product has Low Power Dual Operational Amplifier.

Manufacturers : ETC

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TECHNICAL DATA Low Power Dual Operational Amplifier The IL358 contains two independent high gain operational amplifiers with internal frequency compensation. The two op-amps operate over a wide voltage range from a single power supply. Also use a split power supply. The device has low power supply current drain, regardless of the power supply voltage. The low power drain also makes the IL358 a good choice for battery operation. When your project calls for a traditional op-amp function, now you can streamline your design with a simple single power supply. Use ordinary +5VDC common to practically any digital system or personal computer application, without requiring an extra 15V power supply just to have the interface electronics you need. The IL358 is a versatile, rugged workhorse with a t [ ... ]

IL358 PDF Datasheet Download