Overview
The LM2903BWDSGRQ1 is a dual differential comparator produced by Texas Instruments, designed for automotive and industrial applications. This product is part of Texas Instruments' AEC-Q100 qualified family, ensuring high reliability and performance in harsh environments. The LM2903BWDSGRQ1 is optimized for low power consumption and operates over a wide supply voltage range, making it suitable for battery-powered and energy-efficient systems. Its key selling points include automotive-grade reliability, low input offset voltage, and high ESD protection, making it a competitive choice for precision comparison tasks.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 36 | V | Wide operating range |
| Input Offset Voltage | ±1 | mV | Typical |
| Quiescent Current | 0.4 | mA | Per comparator |
| Response Time | 1.3 | µs | Typical |
| Operating Temperature | -40 to +125 | °C | AEC-Q100 qualified |
| Package | WSON-8 | - | Small footprint |
| ESD Protection | ±4 | kV | HBM |
Key Features
- Dual differential comparators for precise voltage comparison.
- Wide supply voltage range (2V to 36V) for versatile applications.
- Low input offset voltage (±1mV typical) ensures accuracy.
- Low quiescent current (0.4mA per comparator) for energy efficiency.
- AEC-Q100 qualified for automotive reliability.
- High ESD protection (±4kV HBM) enhances durability.
- Compact WSON-8 package for space-constrained designs.
Applications
The LM2903BWDSGRQ1 is widely used in automotive and industrial systems where precise voltage comparison is required. Typical applications include battery management systems, motor control, power supply monitoring, and overvoltage/undervoltage detection. Its robust design and low power consumption make it ideal for automotive electronics, such as engine control units (ECUs), lighting systems, and infotainment systems. Additionally, it is suitable for industrial automation, portable devices, and energy-efficient systems.
Q & A
1. What is the operating voltage range of the LM2903BWDSGRQ1?
The LM2903BWDSGRQ1 operates over a wide voltage range of 2V to 36V.
2. Is the LM2903BWDSGRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive environments.
3. What is the typical input offset voltage?
The typical input offset voltage is ±1mV.
4. How much current does the LM2903BWDSGRQ1 consume?
It consumes 0.4mA of quiescent current per comparator.
5. What is the response time of the comparator?
The typical response time is 1.3µs.
6. What package does the LM2903BWDSGRQ1 come in?
It is available in a compact WSON-8 package.
7. Does it have ESD protection?
Yes, it offers ±4kV ESD protection (HBM).
8. Can it operate in extreme temperatures?
Yes, it operates in a temperature range of -40°C to +125°C.
9. Is it suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
10. What are the typical applications of this comparator?
Typical applications include battery management, motor control, and power supply monitoring.
