Overview of LM339PT by STMicroelectronics
The LM339PT is a low power quad voltage comparator that provides a solution for applications requiring multiple precision signal comparisons. This component is categorized under the electronic parts subcategory of Comparators within the broader category of Amplifier Circuits. It comprises four independent comparators that can operate under a supply voltage range of 2V to 36V, which makes it versatile for a variety of applications.
This part is housed in a TSSOP-14 package, providing a compact footprint with a height of just 1.2 mm. The LM339PT is ROHS compliant, ensuring adherence to environmental regulations. The device features an open-collector output type, allowing for flexibility in output options, primarily suited for applications needing multiple output configurations.
Key specifications for the LM339PT include a maximum response time of 1.3 microseconds and an average bias current of 0.4 µA, which contributes to its low power consumption. This makes it suitable for battery-operated devices. The input offset voltage can reach up to 9000 µV, which may be a consideration in precision applications.
As of this writing, the factory lead time for this part is approximately 10 weeks, giving engineers and procurement teams an idea of availability for planning purposes.
Industry Applications for LM339PT
The LM339PT may find widespread applicability across various industries due to its versatile specifications. Here are some potential use cases:
- Internet of Things (IoT): This part could be used in IoT devices that require signal processing and comparison. For instance, it might be utilized in environmental sensors to compare voltage levels against predefined thresholds, triggering alerts or actions based on the results.
- Industrial Automation: In industrial settings, the LM339PT might serve as a component in control systems to monitor and compare sensor outputs. For example, it could be applied in motor control systems where it compares feedback signals to desired operating conditions, ensuring optimal performance.
- Automotive Applications: Should automotive standards be applicable, this comparator might be used in systems that require the comparison of sensor outputs for functions such as temperature monitoring, where it helps ensure that systems operate within safe limits.
- Consumer Electronics: The LM339PT could be integrated into various consumer electronic devices where precise voltage comparison is crucial. The comparator might be utilized in audio equipment to manage signal levels or in battery management systems within portable devices to optimize power usage.
- Medical Imaging: In medical devices, it may find potential application in diagnostic equipment where it can assist in comparing multiple analog signals to generate precise outputs for imaging processes.
It is important to note that these potential industry applications are only conceptual and illustrative. Further analysis and verification by engineering and design teams are required to ensure adherence to industry standards and specific application requirements.
About STMicroelectronics
STMicroelectronics is a global semiconductor manufacturer with a strong reputation for producing a wide range of electronic components, including Comparators in the category of Amplifier Circuits. The company is known for its commitment to innovation, quality, and compliance with industry standards.
Within the Comparator segment, STMicroelectronics offers products such as the LM339PT, which combines low power consumption with high precision. They have a comprehensive portfolio of comparators designed for various applications, including industrial automation, consumer electronics, and automotive systems. The LM339PT is one of many precision voltage comparators available from STMicroelectronics, exemplifying the company’s focus on providing versatile and reliable components.
Where to Find LM339PT by STMicroelectronics
LM339PT should consider researching options on findchips.com, a comprehensive source for electronic components. This site can also assist in exploring Comparators from STMicroelectronics and other manufacturers that might meet their specific requirements.
Historically, the LM339PT has been available from several distributors, including:
- EBV Elektronik
- Avnet Silica
- DigiKey
- Mouser Electronics
- Arrow Electronics
It is recommended that readers visit findchips.com to get the most up-to-date stock levels and pricing information for the LM339PT.