Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	General Purpose
Number of Elements:	2
Output Type:	DTL, Open-Collector, Open-Emitter, RTL, TTL
Voltage - Supply, Single/Dual (±):	5 V ~ 36 V, ±2.5 V ~ 18 V
Voltage - Input Offset (Max):	8mV @ ±15V
Current - Input Bias (Max):	1µA @ ±15V
Current - Output (Typ):	--
Current - Quiescent (Max):	12.5mA
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:	LM319

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LM319M/NOPB Application Field And Working Principle

The LM319M/NOPB is a monolithic integrated circuit comparator. As a part of the industry-standard Linear – Comparator family of devices, the LM319M/NOPB consists of two voltage comparators, each capable of measuring the difference between two input voltages and determining which is greater or less.The LM319M/NOPB can be used in a wide range of applications, including signal detection, signal switching, logic gating, and power control. The device can be used as a “pick-off” amplifier, enabling it to sense small signals and direct them to an appropriate output circuit. It can also be used as a “window detector”, providing an output when the input signal is within a defined voltage window. The device can even switch DC loads, providing an on/off signal to the load based on the input voltage.The operating principle of the LM319M/NOPB is based on dual comparators which compare two input voltages and generate an output signal to indicate which is greater or less. Each comparator compares the input voltage with a reference voltage and generates a corresponding logic signal (high-level or low-level). The reference voltage is obtained from an internal level-shifting circuit, allowing the LM319M/NOPB to be used with dual supply voltages. The LM319M/NOPB features a common-mode range extending from the negative supply to about 4V above the positive supply. This allows the device to accurately discern even small differences between the two inputs. It also has high input impedance, low bias current, and fast propagation delay, which makes it suitable for a variety of applications.When operating, the LM319M/NOPB is powered by a single or dual supply voltage. The two differential inputs are connected to two voltages or signals, while the two common-mode input connections are connected to a reference voltage or a ground. Depending on the type of application, the output may be connected to the power control line, logic control line, or signal detection circuit.The LM319M/NOPB has an output current specification of 32mA and can be used for data acquisition, signal detection and control systems where it is necessary to measure small voltage differences between two inputs. It is suitable for direct power supply switching, logic gating, meaning it can determine ON/OFF connections, and direct gain amplifier circuits, providing an output when the two inputs are within a specific voltage window.In conclusion, the LM319M/NOPB is a versatile, high performance comparator which can be used in a wide range of applications. Its differential inputs, reference voltage and high output current capability make it a good choice for a variety of signal detection and power control applications.

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