Overview
The LM2903YQ3T is a dual differential comparator manufactured by STMicroelectronics, designed for precision voltage comparison in a wide range of applications. This product is part of the LM2903 series, known for its low power consumption and high accuracy. The LM2903YQ3T is particularly suitable for automotive, industrial, and consumer electronics, offering robust performance in harsh environments. Its key selling points include low input offset voltage, wide supply voltage range, and compatibility with single or dual power supplies.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 2 to 36 | V | Single or dual supply |
| Input Offset Voltage | ±1 | mV | Typical |
| Input Bias Current | 25 | nA | Maximum |
| Response Time | 1.3 | µs | Typical |
| Operating Temperature Range | -40 to +125 | °C | Automotive grade |
| Package | QFN8 | - | 3x3 mm |
Key Features
- Low power consumption for energy-efficient designs.
- Wide supply voltage range enables versatile applications.
- Low input offset voltage ensures high accuracy.
- Automotive-grade temperature range for reliability in harsh conditions.
- Compact QFN8 package for space-constrained designs.
Applications
The LM2903YQ3T is widely used in automotive systems for battery monitoring, motor control, and sensor interfacing. In industrial applications, it is employed in power management, signal conditioning, and safety systems. Additionally, it finds use in consumer electronics for voltage monitoring and control circuits. Its precision and robustness make it an ideal choice for critical applications requiring reliable performance.
Q & A
1. What is the supply voltage range of the LM2903YQ3T?
The supply voltage range is 2 to 36 V, compatible with single or dual power supplies.
2. What is the typical input offset voltage?
The typical input offset voltage is ±1 mV.
3. Is the LM2903YQ3T suitable for automotive applications?
Yes, it is automotive-grade and operates reliably in temperatures from -40 to +125 °C.
4. What package does the LM2903YQ3T come in?
It is available in a compact QFN8 package measuring 3x3 mm.
5. What is the maximum input bias current?
The maximum input bias current is 25 nA.
6. Can the LM2903YQ3T be used in industrial applications?
Yes, it is suitable for industrial applications such as power management and signal conditioning.
7. What is the typical response time of the comparator?
The typical response time is 1.3 µs.
8. Does the LM2903YQ3T support dual power supplies?
Yes, it supports both single and dual power supplies.
9. What are the key advantages of the LM2903YQ3T?
Its advantages include low power consumption, wide supply voltage range, and high accuracy.
10. Is the LM2903YQ3T suitable for consumer electronics?
Yes, it is commonly used in consumer electronics for voltage monitoring and control circuits.
