Overview
The LM339PW is a quad differential comparator manufactured by Texas Instruments, designed for a wide range of voltage applications. This component is part of the LM339 series, which includes variants like LM139, LM239, and LM2901, catering to diverse industrial and commercial needs. The LM339PW is particularly noted for its ability to operate with both single and dual power supplies, making it versatile for various electronic designs. Its market positioning targets applications in industrial automation, automotive electronics, and consumer electronics, where reliable voltage comparison is crucial.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Package | TSSOP-14 | - | - |
| Type | Quad Differential Comparator | - | - |
| Supply Voltage (Single) | 2 to 36 | V | - |
| Supply Voltage (Dual) | ±1 to ±18 | V | - |
| Supply Current | 0.8 | mA | Typical |
| Input Bias Current | 25 | nA | Typical |
| Input Offset Voltage | 2 to 5 | mV | Typical |
| Response Time | 300 | ns | - |
| Operating Temperature | 0 to +70 | °C | - |
Key Features
- Wide supply voltage range, supporting both single and dual power supplies.
- Low power consumption with a typical supply current of 0.8mA.
- Low input bias current and offset voltage, enhancing precision in voltage comparison tasks.
- Open-drain outputs allow for wired-AND configurations, useful in logic circuits.
- Robust design suitable for harsh environments, including industrial and automotive applications.
Applications
The LM339PW is extensively used in various sectors due to its reliable performance and versatile features. In industrial settings, it is employed in power monitoring systems and peak detection circuits. The automotive industry utilizes this component in dashboard controls and information entertainment systems for accurate voltage monitoring. Additionally, it finds applications in consumer electronics for logic voltage conversion and in oscillators for generating precise waveforms.
Q & A
What is the operating voltage range of LM339PW?
The LM339PW operates with a single supply voltage from 2V to 36V and a dual supply voltage from ±1V to ±18V.
Can LM339PW be used in automotive applications?
Yes, the LM339PW is suitable for automotive applications, particularly in dashboard controls and entertainment systems due to its robust design and reliability.
What is the typical supply current of LM339PW?
The typical supply current for LM339PW is 0.8mA, making it a low-power option for various applications.
Does LM339PW support open-drain outputs?
Yes, LM339PW features open-drain outputs which can be used for wired-AND configurations in logic circuits.
What is the response time of LM339PW?
The response time of LM339PW is typically 300 nanoseconds, ensuring quick reaction in voltage comparison tasks.
Is LM339PW suitable for dual power supply configurations?
Yes, LM339PW can be used with dual power supplies ranging from ±1V to ±18V, providing flexibility in various electronic designs.
What are the key features of LM339PW?
Key features include a wide supply voltage range, low power consumption, low input bias current, and open-drain outputs for flexible circuit designs.
What is the input offset voltage of LM339PW?
The input offset voltage of LM339PW is typically between 2mV to 5mV, which is crucial for precision in voltage comparison.
Can LM339PW operate in extreme temperatures?
LM339PW is designed to operate in a temperature range of 0°C to +70°C, making it suitable for various environmental conditions.
What are the typical applications of LM339PW?
Typical applications include industrial automation, automotive electronics, power monitoring, oscillators, and consumer electronics for logic voltage conversion.
