Overview
The LM2903VQDRG4 is a dual differential comparator manufactured by Texas Instruments. This component is designed for a wide range of applications, offering high performance and reliability. It is part of the Trophy Series and is widely used in cost-sensitive applications due to its low offset voltage, high power supply capability, and low power consumption. The LM2903VQDRG4 is particularly suitable for industrial, automotive, and consumer electronics, where precise voltage comparison is essential.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Bias Current | 250 | nA | |
| Output Current | 20 | mA | |
| Operating Temperature | -40 to +125 | °C | |
| Package/Case | SOIC-8 | ||
| Quiescent Current (Max) | 2.5 | mA | |
| Input Offset Voltage | 7 | mV | |
| Supply Voltage (Single/Dual) | 2 to 36 / ±1 to 18 | V | |
| Output Type | CMOS, MOS, Open-Drain, TTL | ||
| Response Time | 1.3 | µs | |
| Dimensions | 4.91 x 3.90 | mm | |
| Height | 1.57 | mm | |
| Pin Count | 8 | Pin |
Key Features
- Dual differential comparator for precise voltage comparison.
- Low input bias current of 250nA ensures minimal power consumption.
- Wide supply voltage range (2V to 36V single, ±1V to 18V dual) for versatile applications.
- Low quiescent current (max 2.5mA) enhances energy efficiency.
- Robust performance in industrial and automotive environments with an operating temperature range of -40°C to +125°C.
Applications
The LM2903VQDRG4 is widely used in various fields, including:
- Industrial Automation: Used in control systems for voltage monitoring and signal conditioning.
- Automotive Electronics: Suitable for battery management systems and sensor interfaces.
- Consumer Electronics: Ideal for power management and signal detection in portable devices.
- Medical Devices: Ensures accurate voltage comparison in diagnostic equipment.
Q & A
1. What is the operating temperature range of the LM2903VQDRG4?
The operating temperature range is -40°C to +125°C.
2. What is the supply voltage range for this component?
The supply voltage range is 2V to 36V for single supply and ±1V to 18V for dual supply.
3. What is the input bias current of the LM2903VQDRG4?
The input bias current is 250nA.
4. What is the output current capability?
The output current is 20mA.
5. What is the response time of the comparator?
The response time is 1.3µs.
6. What is the package type of the LM2903VQDRG4?
It comes in an SOIC-8 package.
7. Is the LM2903VQDRG4 RoHS compliant?
Yes, it is RoHS compliant.
8. What is the input offset voltage?
The input offset voltage is 7mV.
9. Can this component be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust performance and wide temperature range.
10. What is the quiescent current of the LM2903VQDRG4?
The maximum quiescent current is 2.5mA.
