LM2901N

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	General Purpose
Number of Elements:	4
Output Type:	CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±):	2 V ~ 32 V, ±1 V ~ 16 V
Voltage - Input Offset (Max):	7mV @ 5V
Current - Input Bias (Max):	0.25µA @ 5V
Current - Output (Typ):	16mA @ 5V
Current - Quiescent (Max):	2.5mA
CMRR, PSRR (Typ):	--
Propagation Delay (Max):	--
Hysteresis:	--
Operating Temperature:	-40°C ~ 125°C
Package / Case:	14-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Supplier Device Package:	14-DIP
Base Part Number:	LM2901

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LM2901N Application Field and Working Principle

Linear-Comparators are electrical components used to compare and adjust the magnitude of two signal levels. The LM2901N is a comparator that is usually used to compare two input signals and output one signal based on the comparison. It is equipped with a common-mode voltage that works as a power supply pin and can accept voltages up to +35V. The LM2901N also has an open-collector output, which is suitable for driving logic devices or relay coils.

Applications

The LM2901N has a wide range of applications, from small domestic applications such as water heaters and washing machines to large industrial applications such as manufacturing. As a comparator, it can be used to measure the temperature or pressure of a machine, or to compare two input signals for controlling. It can also be used in logic controllers and feedback control systems.

Features

The LM2901N is a rail-to-rail input and output comparator, meaning that the input and output signals can reach their full range of voltage while providing great accuracy. It also has an open-collector output, allowing the user to control the logic level of the output signal. The LM2901N also has a wide operating temperature range and can operate at low external supply voltages.

Working Principle

The LM2901N is an integrated circuit composed of several transistors and resistors, forming an amplifier-like structure. In this circuit, both the input and output are connected to differential amplifier stages. When the input voltage is higher than the reference voltage (VREF), the output will go high; when the input voltage is lower than the reference voltage, the output will go low. The amplifier stages work by amplifying the difference between the input and reference voltage, producing an output that is proportional to the difference between the two.

Conclusion

The LM2901N is an integrated circuit used as a comparator to compare two input signals and output one signal based on the comparison. With its rail-to-rail input and output capabilities and open-collector output, the LM2901N is suitable for numerous applications, from small domestic applications to large industrial applications. It has a wide operating temperature range and can operate at low external supply voltages, making it a robust and reliable component for any kind of circuit.

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