LM339DR2

Current - Output (Typ):	16mA @ 5V
Base Part Number:	LM339
Supplier Device Package:	14-SOIC
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Hysteresis:	--
Propagation Delay (Max):	--
CMRR, PSRR (Typ):	--
Current - Quiescent (Max):	2.5mA
Series:	--
Current - Input Bias (Max):	0.25µA @ 5V
Voltage - Input Offset (Max):	5mV @ 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
Part Status:	Obsolete
Packaging:	Cut Tape (CT)

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Introduction to LM339DR2The LM339DR2 is an equal channel comparator that operates independently of any control voltage supplied by external means. It is a versatile integrated circuit, providing the convenience of ready-to-use monopolar or dual-channel comparators. It is capable of operating on two independent channels, as well as offering an adjustable reference voltage. It is often used to maintain a constant gap, to detect overshoot and undershoot, as well as to differentiate between digital and analog data. LM339DR2 Application FieldThe LM339DR2 is widely used in industrial applications, controllers, and even medical devices. It is often used for data acquisition and monitoring the performance of machinery. Additionally, the device is used in many automotive control systems, and in sensing and control applications such as motors and pumps. In medical devices, the LM339DR2 can be used for patient monitoring, providing accurate readings of vital signs and alerting operators to any irregularities. Furthermore, the LM339DR2 is a valuable component for robotics. The embedded logic of the comparator enables robots to quickly process binary inputs and detect differences in the environment. This allows for more sophisticated behavior and coordination, ultimately leading to improved efficiency and effectiveness. LM339DR2 Working PrincipleThe LM339DR2 is an integrated circuit, meaning that all necessary components are preset on a chip. The comparator works by converting analog signals to digital values using a reference voltage. This reference voltage is independently adjustable and allows the comparator to adjust the signal threshold. The signal is compared to the reference voltage and output occurs if the signal is greater or smaller than the specific threshold. The device works by monitoring differences in the input and output values. If the output is different from the input, it means that one of the two signals is greater than the other. This is achieved by subtracting the input voltage from the reference voltage. If the output of the circuit is greater, then the output voltage is larger than the reference voltage. The output of the comparator is an ‘open-drain’ type, meaning the output is either open or closed depending on the difference between the input and reference voltages. The LM339DR2 is a versatile circuit and can be used in a variety of applications. With the adjustable reference voltage, the device can be set to detect logic FFT or image processing signals. This comparator is often found in numerous controllers, as it can aid in the detection and measurement of such signals.ConclusionThe LM339DR2 is an integrated, one-package comparator designed to detect changes in digital and analog signals. It can operate in a dual-channel environment, as well as be tuned for specific logic settings. Its versatility makes it an ideal device for use in robotics, controllers, data acquisition, and medical applications. With a low overall power consumption and cost-effectiveness, the LM339DR2 is an excellent choice for any application requiring the conversion of analog to digital data.

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