MAX981CPA+

Current - Input Bias (Max):	--
Base Part Number:	MAX981
Supplier Device Package:	8-PDIP
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C
Hysteresis:	50mV
Propagation Delay (Max):	--
CMRR, PSRR (Typ):	80dB CMRR, 80dB PSRR
Current - Quiescent (Max):	4µA
Current - Output (Typ):	0.015mA @ 5V
Series:	--
Voltage - Input Offset (Max):	10mV @ 5V
Voltage - Supply, Single/Dual (±):	2.5 V ~ 11 V, ±1.25 V ~ 5.5 V
Output Type:	Open Drain
Number of Elements:	1
Type:	with Voltage Reference
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction to the MAX981CPA+

The MAX981CPA+ is an industrial-grade comparator from Maxim Integrated, and is a part of its linear-comparators family. It offers low-cost construction and high-performance dust-proof and dust-resistant case for enhanced operating reliability in critical environments.The MAX981CPA+ features a low-power and long-term accuracy, fast transient response, and a wide dynamic range. Its electrical stability and wide supply voltage range makes it ideal for use in high-performance applications and as a buffer for high-speed switching/regulation.

Application Fields of MAX981CPA+

The MAX981CPA+ is is suitable for various analog signal processing applications, including level detection and control in industrial electronic systems, power-delivery, and operation in process control.The MAX981CPA+ is especially suitable for industrial applications that require reliable operation in a wide temperature range, high precision, and long-term availability. It is also used in automotive and military/aeronautical applications that require highly reliable performance in extreme temperature and humidity conditions.Moreover, the MAX981CPA+ is often used for signal comparison and high-speed switching/regulation in high-speed signal conditioning applications. Its low-power and wide dynamic range make it ideal for signal comparison and control in industrial electronics, automotive, military/aeronautical and process control applications.

Working Principle of MAX981CPA+

The MAX981CPA+ consists of two main parts: a comparator and an amplifier. The comparator compares the two input signals, usually from two different sources. If the two inputs have the same signal level, the comparator will detect it and the output will change state to indicate the same input level.The amplifier increases the signal level of the smaller input, so they can be effectively compared. This increase in signal level improves the resolution and accuracy of the MAX981CPA+, meaning that it can detect small differences in input signals and provide a more accurate comparison.In operation, the comparator continuously monitors the two inputs and, once it has detected any difference, it will indicate it by changing the state of the output. The output is then sent to the amplifier, which boosts the signal level of the smaller input, enabling a more accurate comparison. Once the two inputs are the same, the comparator will detect this and the output will change state to indicate the same input level.

Conclusion

The MAX981CPA+ is an industrial-grade comparator from Maxim Integrated and is part of the linear-comparators family. It offers high performance, fast response and a wide dynamic range, making it ideal for use in industrial and automotive applications in extreme conditions. The MAX981CPA+ consists of a comparator and an amplifier, which compare two input signals, boost the weaker one and then send a signal indicating the difference to the output.

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