LM2901DTBR2G

Current - Input Bias (Max):	0.25µA @ 5V
Base Part Number:	LM2901
Supplier Device Package:	14-TSSOP
Mounting Type:	Surface Mount
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 105°C
Hysteresis:	--
Propagation Delay (Max):	--
CMRR, PSRR (Typ):	--
Current - Quiescent (Max):	2.5mA
Current - Output (Typ):	16mA @ 5V
Series:	--
Voltage - Input Offset (Max):	7mV @ 5V
Voltage - Supply, Single/Dual (±):	3 V ~ 36 V, ±1.5 V ~ 18 V
Output Type:	CMOS, Open-Collector, TTL
Number of Elements:	4
Type:	General Purpose
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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LM2901DTBR2G: Application Field and Working Principle

The LM2901DTBR2G is a linear-comparator integrated circuit, or IC. A comparator, as the name implies, compares the voltage levels between two corresponding inputs. To determine which input is greater, the comparator will output a digital value; either a logic high if the first input is greater, or a logic low if the second input is greater. Comparators, be it linear-comparator ICs or other types, have several cool applications.One application of LM2901DTBR2G is temperature measurement. In this application, one input is connected to a voltage source, like a thermocouple, and the other input is connected to a reference voltage, usually produced by a voltage-divider circuit. This way, the LM2901DTBR2G comparator can compare the voltage readings of these two inputs, and it will then output a digital result. Temperature measurements can be taken based on the digital output.The LM2901DTBR2G has a typical temperature rating of -40°C to +125°C, with a maximum supply voltage of 32V DC. Not only that, it features a low power-dissipation and low supply-current draw of 0.2mA at 5V, making it an ideal choice for battery-powered systems.Let\'s take a look at the LM2901DTBR2G\'s internal architecture. At the heart of the LM2901DTBR2G IC is a pair of voltage comparators. The two independent voltage comparators are internally connected via a couple of pull-up resistors and a single reference resistor, that serves as the common reference for both comparators. This design makes the output of the LM2901DTBR2G the logical "difference" of the two inputs.The LM2901DTBR2G tends to be used for industrial and commercial applications for which robustness and reliability are important. Its low power-dissipation makes it also ideal for battery-powered systems, where the device will remain powered, even in low-power/sleep-mode. This makes it a great choice for data logging and other applications, where the device remains powered.The LM2901DTBR2G is also the perfect choice for applications such as window detectors and hysteresis control. The LM2901DTBR2G is a one-stop shop for linear voltage comparison; it incorporates two independent voltage comparators, enabling it to be used in applications where a precise voltage-reading is necessary. This makes it ideal for a wide range of control and monitoring applications.Finally, its built-in hysteresis helps the LM2901DTBR2G solve the problem of any potential output oscillation, when two or more inputs are crossing at the same voltage level. This reduces errors and improves the overall accuracy of the voltage-comparison.All things considered, the LM2901DTBR2G is an excellent choice of linear-comparator IC for applications requiring precise voltage-comparison. Its low power-dissipation and low supply-current draw make it an ideal choice for battery-powered systems, while its built-in hysteresis helps to reduce errors in the main application, providing greater accuracy for the overall system. Apart from that, its wide temperature range of -40°C to +125°C makes it suitable for various industrial and commercial applications.

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