Overview
The LM2903 is a dual, micropower, high-voltage open-drain comparator designed for a wide range of applications. It is an upgraded version of earlier comparators, offering a wider voltage range and improved power consumption. This component is particularly useful in systems where low power consumption and high reliability are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2V to 36V |
| Input Voltage Range | -0.3V to V+ |
| Output Type | Open-Drain |
| Propagation Delay | 1.3 μs (typical) |
| Power Consumption | 65 μA (typical per comparator) |
| Operating Temperature Range | -40°C to 125°C |
| Package Types | DIP-8, SOIC-8, TSSOP-8, etc. |
Key Features
- Dual comparators in a single package
- Micropower operation with low current consumption
- High-voltage capability with a wide supply voltage range
- Open-drain output for flexibility in application design
- Low propagation delay for fast response times
- High input impedance and low offset voltage
Applications
The LM2903 is suitable for various applications, including:
- Level detection and threshold sensing
- Window comparators and alarm circuits
- Power supply monitoring and voltage regulation
- Industrial control systems and automation
- Aerospace and automotive systems where reliability and low power are essential
Q & A
- What is the supply voltage range of the LM2903?
The supply voltage range of the LM2903 is from 2V to 36V. - What type of output does the LM2903 have?
The LM2903 has an open-drain output. - What is the typical propagation delay of the LM2903?
The typical propagation delay of the LM2903 is 1.3 μs. - How much power does the LM2903 typically consume?
The LM2903 typically consumes 65 μA per comparator. - What are the common package types for the LM2903?
The LM2903 is available in DIP-8, SOIC-8, TSSOP-8, and other package types. - What is the operating temperature range of the LM2903?
The operating temperature range of the LM2903 is from -40°C to 125°C. - Is the LM2903 suitable for high-voltage applications?
Yes, the LM2903 is designed for high-voltage applications with a wide supply voltage range. - Can the LM2903 be used in industrial control systems?
Yes, the LM2903 is suitable for industrial control systems and automation due to its reliability and low power consumption. - Is the LM2903 compatible with aerospace and automotive systems?
Yes, the LM2903 is compatible with aerospace and automotive systems where reliability and low power are essential. - What are some common applications of the LM2903?
The LM2903 is commonly used in level detection, threshold sensing, window comparators, alarm circuits, and power supply monitoring.
