Overview
The LM2903VQDRG4Q1, manufactured by Texas Instruments, is a dual differential comparator designed for a wide range of applications. This component is part of the LM2903 series, which is renowned for its reliability and performance in cost-sensitive applications. The LM2903VQDRG4Q1 is particularly suited for automotive and industrial environments due to its robust design and compliance with AEC-Q100 standards. It features two independent voltage comparators that operate over a broad voltage range, making it versatile for various electronic designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Offset Voltage (Vos) | 7 | mV | @ 5V |
| Supply Voltage | 2 to 36 | V | Single/Dual (±1 to 18V) |
| Output Current | 20 | mA | Typical |
| Quiescent Current | 2.5 | mA | Max |
| Operating Temperature | -40 to +125 | °C | AEC-Q100 Grade 1 |
| Package | SOIC-8 | - | Surface Mount |
| Input Bias Current | 250 | nA | @ 5V |
| Propagation Delay | 1.5 | µs | Max |
| Dimensions | 4.90 x 3.90 | mm | Length x Width |
| Height | 1.57 | mm | - |
Key Features
- Dual independent voltage comparators for versatile applications.
- Wide supply voltage range from 2V to 36V, suitable for various power environments.
- Low input offset voltage of 7mV ensures high accuracy in signal comparison.
- Low quiescent current of 2.5mA maximizes energy efficiency.
- Operates over a wide temperature range from -40°C to +125°C, making it ideal for harsh environments.
- Open-collector output allows for flexible interfacing with other logic levels.
Applications
The LM2903VQDRG4Q1 is extensively used in automotive systems for monitoring and control functions, such as battery management and sensor interfacing. In industrial settings, it is employed in machinery control, process monitoring, and safety systems. Its robust design and compliance with automotive standards also make it suitable for consumer electronics, particularly in portable devices where power efficiency and reliability are crucial.
Q & A
What is the input offset voltage of the LM2903VQDRG4Q1?
The input offset voltage is 7mV at 5V.
What is the operating temperature range of the LM2903VQDRG4Q1?
It operates from -40°C to +125°C.
Can the LM2903VQDRG4Q1 be used in automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive environments.
What is the supply voltage range for the LM2903VQDRG4Q1?
The supply voltage ranges from 2V to 36V, or ±1V to 18V for dual supplies.
What type of output does the LM2903VQDRG4Q1 have?
It has an open-collector output.
What is the typical output current of the LM2903VQDRG4Q1?
The typical output current is 20mA.
What is the quiescent current of the LM2903VQDRG4Q1?
The maximum quiescent current is 2.5mA.
What package does the LM2903VQDRG4Q1 come in?
It comes in an SOIC-8 package.
What is the propagation delay of the LM2903VQDRG4Q1?
The maximum propagation delay is 1.5µs.
Is the LM2903VQDRG4Q1 RoHS compliant?
Yes, it is RoHS compliant.
