Overview
The LM2903VN is a dual differential comparator manufactured by onsemi, designed for a wide range of voltage comparison applications. This IC is part of the LM2903 series, which is renowned for its reliability and versatility in industrial, automotive, and consumer electronics. The LM2903VN operates with a single power supply voltage ranging from 2V to 36V, making it suitable for both low and high-voltage systems. Its low input offset voltage, low supply current, and wide temperature range make it a competitive choice for precision applications. Target users include engineers and designers working on control systems, battery management, and signal conditioning.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 36 | V | Single or dual supply |
| Input Offset Voltage | ±1 | mV | Typical |
| Supply Current | 0.4 | mA | Per comparator |
| Response Time | 1.3 | µs | Typical |
| Operating Temperature | -40 to +125 | °C | Industrial range |
| Package | DIP-8, SOIC-8 | - | Industry-standard |
| Output Type | Open Collector | - | Compatible with TTL, CMOS |
Key Features
- Wide supply voltage range (2V to 36V) for versatile applications.
- Low input offset voltage for precise comparisons.
- Low supply current, making it energy-efficient.
- Open collector output for flexible interfacing with other logic families.
- Industrial temperature range (-40°C to +125°C) for robust performance in harsh environments.
Applications
The LM2903VN is widely used in various industries due to its reliability and precision. In industrial automation, it is employed in control systems and signal conditioning circuits. In automotive electronics, it is used for battery monitoring and voltage level detection. In consumer electronics, it finds applications in power management and threshold detection. Its open collector output makes it compatible with TTL and CMOS logic, enhancing its usability in mixed-signal systems.
Q & A
1. What is the operating voltage range of the LM2903VN?
The LM2903VN operates with a supply voltage range of 2V to 36V, making it suitable for both low and high-voltage applications.
2. What is the typical input offset voltage?
The typical input offset voltage is ±1 mV, ensuring precise voltage comparisons.
3. Can the LM2903VN operate in harsh environments?
Yes, it has an industrial temperature range of -40°C to +125°C, making it suitable for harsh environments.
4. What is the supply current per comparator?
The supply current is 0.4 mA per comparator, making it energy-efficient.
5. What is the output type of the LM2903VN?
It features an open collector output, which is compatible with TTL and CMOS logic.
6. What package types are available for the LM2903VN?
It is available in DIP-8 and SOIC-8 packages, which are industry-standard.
7. What is the typical response time of the LM2903VN?
The typical response time is 1.3 µs, ensuring quick signal processing.
8. Is the LM2903VN suitable for automotive applications?
Yes, it is commonly used in automotive electronics for battery monitoring and voltage level detection.
9. Can the LM2903VN be used with a single power supply?
Yes, it can operate with a single power supply ranging from 2V to 36V.
10. What are the key advantages of the LM2903VN?
Its key advantages include a wide supply voltage range, low input offset voltage, low supply current, and compatibility with TTL and CMOS logic.
