LM339AM/NOPB

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
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 ~ 36 V, ±1 V ~ 18 V
Voltage - Input Offset (Max):	2mV @ 30V
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:	0°C ~ 70°C
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Supplier Device Package:	14-SOIC
Base Part Number:	LM339

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LM339AM/NOPB: Introduction

The LM339AM/NOPB is a low-voltage four-port comparator circuit. It\'s designed for use in switches and power engineering design circuits. It has two voltage comparator blocks, and operates on single supply from 6V to 30V. When the input voltage of one of the two blocks is lower than the other, the comparator will output a signal.

LM339AM/NOPB: Application Fields

The LM339AM/NOPB is used primarily in industrial and automotive engineering, where it is often employed to detect voltage discrepancies between two source signals and send the detected signal to a control point.The comparator is most commonly used in automotive applications, where it can detect a low or high voltage signal at one of two input ports and send it to the system\'s control unit. It is also frequently used in monitor circuits and protection devices, as it can detect a wide range of input voltages and signal the system to take appropriate action.

LM339AM/NOPB: Working Principle

The LM339AM/NOPB is a differential amplifier with two input ports, one output port and power, ground and reference terminals. It produces a signal when the voltage at the non-inverting (NI) input is lower than that at the inverting (IN) input.When the dual comparator is connected to a power supply with the reference terminal, the voltage at the non-inverting port must be higher than the voltage at the inverting port. If this is the case, then both internal differential amplifier blocks will draw virtually no current, and the output (OUT) will remain high. When the voltage at the non-inverting port drops below that at the inverting port, then the internal differential amplifiers will draw current and the output will drop to low.

LM339AM/NOPB: Conclusion

The LM339AM/NOPB is a versatile differential comparator circuit with two input ports, one output port and a reference terminal. It produces a signal when the voltage at the non-inverting (NI) input is lower than that at the inverting (IN) input, and is widely used in industrial and automotive design applications.

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