Overview
The LM2903QD, manufactured by Texas Instruments, is a dual differential comparator designed for a wide range of applications. This component is part of the LM2903 series, known for its low power consumption and high performance. It is particularly suited for use in industrial, automotive, and consumer electronics due to its robust design and reliable operation. The LM2903QD is available in an 8-SOIC package, making it ideal for surface mount technology (SMT) applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Bias Current | 250 | nA | |
| Output Current | 20 | mA | |
| Operating Temperature | -40 to +125 | °C | |
| Quiescent Current (Max) | 2.5 | mA | |
| Input Offset Voltage (Vos) | 7 | mV | |
| Supply Voltage | 2 to 36, ±1 to 18 | V | Single/Dual |
| Output Type | CMOS, MOS, Open-Collector, TTL | ||
| Package | 8-SOIC |
Key Features
- Low power consumption with a maximum quiescent current of 2.5 mA.
- Wide supply voltage range from 2V to 36V, or ±1V to ±18V for dual supplies.
- Robust performance across a wide temperature range from -40°C to +125°C.
- Open-collector outputs for flexible output configurations.
- Designed for high-speed response with a propagation delay time optimized for quick decision-making in comparator applications.
Applications
The LM2903QD is versatile and can be used in various applications including voltage level detection, signal conditioning, and monitoring systems. It is particularly effective in automotive systems for sensor signal processing, in industrial control systems for safety monitoring, and in consumer electronics for battery management and power control. Its ability to operate reliably under a wide range of voltages and temperatures makes it a preferred choice for harsh environment applications.
Q & A
What is the operating temperature range of the LM2903QD?
The LM2903QD operates effectively from -40°C to +125°C.
Can the LM2903QD be used with dual power supplies?
Yes, it supports dual power supplies ranging from ±1V to ±18V.
What is the typical quiescent current of the LM2903QD?
The typical quiescent current is 2.5 mA.
What type of output does the LM2903QD have?
It has an open-collector output which can be configured as CMOS, MOS, or TTL.
Is the LM2903QD suitable for automotive applications?
Yes, its robust design and wide operating temperature range make it suitable for automotive applications.
What is the maximum supply voltage for the LM2903QD?
The maximum supply voltage is 36V for single supply and ±18V for dual supply.
What are the key features of the LM2903QD?
Key features include low power consumption, wide supply voltage range, and high-speed response.
What is the input offset voltage of the LM2903QD?
The input offset voltage is typically 7 mV.
How does the LM2903QD perform in high-temperature environments?
It performs reliably up to +125°C, making it suitable for high-temperature environments.
What package does the LM2903QD come in?
It is available in an 8-SOIC package.
