LM339DG

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, Open-Collector, TTL
Voltage - Supply, Single/Dual (±):	3 V ~ 36 V, ±1.5 V ~ 18 V
Voltage - Input Offset (Max):	5mV @ 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:	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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Linear - ComparatorsThe LM339DG is a comparator from the National Semiconductor\'s LM339 series that is used to compare two voltage inputs. This versatile device can be used in different applications ranging from detecting temperature, controlling a circuit and converting digital signals. It is also used in the fields of digital signal conditioning, signal processing and laboratory measurements. The LM339DG consists of four independent voltage comparators, which all have their own inputs, outputs and ground pins. These four comparators can be connected together in parallel to create a single comparator with higher performance. Like other comparator circuits, the LM339DG combines two voltage signals and provides a high or a low output depending on which signal is higher or lower. This kind of circuitry is used to compare two DC voltages, compare two AC voltages, detect temperature and process digital signals. The LM339DG can be used in several different applications. It can be used to create circuits with three different input conditions; the circuit can be opened and closed depending on each of these conditions. It is also used in temperature control applications, where it can detect thermal thresholds and react accordingly. It can also be used to convert digital signals to analog signals and vice versa. Furthermore, digital-to-analog and analog-to-digital converters can be implemented using the comparators.When it comes to working principle, the LM339 works by comparing two inputs and triggering a response based on the result. It takes two input voltages, V1 and V2, and produces a low output or a high output depending on the result of the comparison. If the voltage V1 is greater than the voltage V2, then the output will be set to high. If the voltage V1 is lower than the voltage V2, then the output will be set to low. One of the key features of the LM339 comparator is its switching speed. This device is capable of switching from high to low and low to high within a few microseconds. This speed makes it suitable for use in applications such as time-division multiplexing. Another of the LM339\'s impressive features is its slew rate. This is the rate at which the output voltage can change from low to high or vice versa as the input voltage changes. The LM339\'s rate is of a maximum of 2.0V/μs. This is important in a variety of applications, especially in digital-to-analog and analog-to-digital conversion.The LM339 is also known for its low power consumption. It is able to operate on a low supply voltage of only 2.7 Volts and is capable of driving up to two TTL loads with 10mA of output current. It also has a low power-down mode that allows it to conserve energy when it is not in use. When it comes to precision, the LM339 offers excellent accuracy. It has a low input bias current of only 1nA and an input offset current of only 0.2nA. This ensures that the comparator produces an accurate output in applications where precision is critical. Overall, the LM339DG is an outstanding device with a wide range of applications. Its high speed and accuracy make it a valuable tool in many different fields, from temperature control to signal conditioning. Its low power consumption makes it suitable for many applications, and the low cost makes it an attractive solution for budget-conscious applications.

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