Overview
The LM339DE4 is a quad voltage comparator produced by Texas Instruments, designed for a wide range of analog signal comparison applications. This model is part of the LM339 series, known for its reliability and versatility in industrial, automotive, and consumer electronics. The LM339DE4 is particularly suited for applications requiring precise voltage level detection and signal conditioning. Its compact SOIC-14 package and surface-mount design make it ideal for space-constrained environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 20 | mA | |
| Operating Temperature | 0 to +70 | °C | |
| Supply Voltage | 2 to 36 | V | Single or dual supply |
| Input Offset Voltage | ±2 | mV | |
| Package | SOIC-14 | Surface-mount |
Key Features
- Four independent voltage comparators in a single package.
- Wide supply voltage range for flexibility in various applications.
- Low input offset voltage for high accuracy.
- Open-collector outputs for easy interfacing with other logic circuits.
- Compact SOIC-14 package for space-efficient designs.
Applications
The LM339DE4 is widely used in applications such as voltage monitoring, level detection, and signal conditioning. It is commonly found in power supply circuits, automotive control systems, and consumer electronics. Its ability to operate over a wide temperature range and supply voltage makes it suitable for harsh environments and battery-powered devices.
Q & A
1. What is the operating temperature range of the LM339DE4?
The operating temperature range is 0°C to +70°C.
2. Can the LM339DE4 operate with a single power supply?
Yes, it can operate with a single supply voltage ranging from 2V to 36V.
3. What is the output current capability of the LM339DE4?
The output current capability is 20mA.
4. Is the LM339DE4 suitable for automotive applications?
Yes, its robust design and wide operating range make it suitable for automotive applications.
5. What is the package type of the LM339DE4?
It comes in a SOIC-14 surface-mount package.
6. What is the input offset voltage of the LM339DE4?
The input offset voltage is ±2mV.
7. Can the LM339DE4 be used in battery-powered devices?
Yes, its low power consumption and wide supply voltage range make it ideal for battery-powered devices.
8. What are the typical applications of the LM339DE4?
Typical applications include voltage monitoring, level detection, and signal conditioning.
9. Does the LM339DE4 have open-collector outputs?
Yes, it features open-collector outputs for easy interfacing.
10. Is the LM339DE4 compatible with other logic circuits?
Yes, its open-collector outputs make it compatible with TTL, CMOS, and other logic circuits.
