So, in this manner, a square wave is generated at the output. If the i/p voltage drops under the threshold range, then the output will turn zero. Once this voltage is high than the threshold level, it will generate a HIGH signal at the o/p. In the above circuit, the secondary op-amp functions like Schmitt trigger and it verifies the input voltage. This output of the primary op-amp is given to the input pin of the secondary op-amp using a 51kΩ resistor. Additionally, with these two ICs on board, the device can perform two different functions at a time in the application. The high common-mode i/p voltage range & the lack of latch-up will make these ICs perfect for the applications of voltage-follower. This general-purpose dual op-amp is used to perform general-purpose op-amp operation circuits like comparator, mathematical operations, or differential amplification.
Operating temperature ranges from 0✬ – 70✬.Supply operation ranges from +5.0 V to +15 V.Compensation of frequency is not required.Phase & gain match in between two op-amps.Parameter tracking can be done on the range of temperature.Less noise interference between two op-amps.Large common mode & differential voltage range.The features and specifications of LM4558 IC include the following. Pin8 (VCC): This is a power supply pin.Pin7 (2OUT): This is an o/p of the second operational amplifier.Pin6 (2IN-): Inverting input of the second op-amp.Pin5 (2IN+): This is the Non-Inverting i/p of the second op-amp.
Pin3 (1IN+): This is the Non-Inverting i/p of the first op-amp.Pin2 (1IN-): This is an Inverting input of the first op-amp.Pin1 (1OUT): This is the o/p pin of the first op-amp.
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