LM239N Integrated Circuits (ICs) |
|
Allicdata Part #: | 296-6621-5-ND |
Manufacturer Part#: |
LM239N |
Price: | $ 0.33 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC QUAD DIFF COMPARATOR 14-DIP |
More Detail: | Comparator Differential CMOS, MOS, Open-Collector,... |
DataSheet: | LM239N Datasheet/PDF |
Quantity: | 2000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 0.29610 |
10 +: | $ 0.24003 |
100 +: | $ 0.16330 |
500 +: | $ 0.12247 |
1000 +: | $ 0.09185 |
Specifications
Series: | -- |
Packaging: | Tube |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Differential |
Number of Elements: | 4 |
Output Type: | CMOS, MOS, Open-Collector, TTL |
Voltage - Supply, Single/Dual (±): | 2 V ~ 30 V, ±1 V ~ 15 V |
Voltage - Input Offset (Max): | 5mV @ 30V |
Current - Input Bias (Max): | 0.25µA @ 5V |
Current - Output (Typ): | 20mA |
Current - Quiescent (Max): | 2mA |
CMRR, PSRR (Typ): | -- |
Propagation Delay (Max): | -- |
Hysteresis: | -- |
Operating Temperature: | -25°C ~ 125°C |
Package / Case: | 14-DIP (0.300", 7.62mm) |
Mounting Type: | Through Hole |
Supplier Device Package: | 14-PDIP |
Base Part Number: | LM239 |
Description
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LM239N is a popular device in the linear-comparators family. It is used in many applications such as level detection, pulse width modulation, as well as threshod detection. In this article, we will discuss the applications and working principle of LM239N.ApplicationsLM239N is widely used in a variety of applications due to its low power consumption and stable operation. Its most common applications are:Level Detection: LM239N is often used as a level detector. It can be used to detect when the output of a device exceeds a certain threshold, and then triggers an action. For example, it can be used to control the speed of an overrunning motor by detecting when the load exceeds a certain threshold.Pulse-Width Modulation (PWM): LM239N can also be used to implement pulse-width modulation. In this method, the output pulse is modulated to various pulse widths depending on the input signal. This can be used to control the intensity of an LED, or the speed of a motor, for example.Threshold Detection: LM239N can also be used as a threshold detector. It can be used to detect when the input signal exceeds a certain value, and then take appropriate action, such as triggering an alarm or turning off a device.Working PrincipleThe working principle of LM239N is based on the simple logic of comparing two input signals. The device consists of two inputs: one is a reference signal and the other is the input signal. When the reference signal is higher than the input signal, the output is a logic high. If the input signal is higher than the reference signal, then the output is a logic low.Essentially, LM239N can be thought of as a circuit that compares two signals and outputs a signal based on which one is greater. This makes it ideal for level detection, pulse-width modulation, and threshold detection.ConclusionIn conclusion, LM239N is a popular device in the linear-comparators family. It is used in many applications such as level detection, pulse width modulation, as well as threshod detection. Its working principle is based on the simple logic of comparing two input signals. With its low power consumption and stable operation, it has become a popular device for various applications.The specific data is subject to PDF, and the above content is for reference
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