Overview
The LM2903BQDRQ1 is a dual differential comparator manufactured by Texas Instruments, designed specifically for automotive applications. This component is part of the LM2903B-Q1 series, which adheres to the AEC-Q100 standard, ensuring reliability and performance in harsh automotive environments. It is widely used in systems requiring precise voltage comparisons, such as battery management, power supply monitoring, and signal conditioning.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 36 | V | Single or dual supply |
| Input Offset Voltage | ±0.37 | mV | Typical |
| Input Bias Current | 3.5 | nA | Typical |
| Supply Current | 200 | µA | Per comparator, typical |
| Operating Temperature | -40 to 125 | °C | Automotive range |
| Output Type | Open Collector | - | Compatible with TTL, MOS, and CMOS |
| ESD Protection | 2kV HBM | - | Improved robustness |
Key Features
- Low power consumption, ideal for battery-operated systems.
- Wide supply voltage range enhances flexibility in various applications.
- High ESD protection ensures durability in automotive environments.
- Low input offset voltage and bias current improve accuracy in signal comparison.
Applications
The LM2903BQDRQ1 is extensively used in automotive electronics, including but not limited to, battery monitoring systems, power management units, and safety-critical applications. Its robust design and compliance with automotive standards make it a preferred choice for engineers designing systems that require reliable operation under extreme conditions.
Q & A
What is the operating temperature range of the LM2903BQDRQ1?
The operating temperature range is from -40°C to 125°C, suitable for automotive applications.
Can the LM2903BQDRQ1 operate with a single power supply?
Yes, it can operate with a single supply voltage ranging from 2V to 36V.
What is the typical input offset voltage of the LM2903BQDRQ1?
The typical input offset voltage is ±0.37mV.
Is the LM2903BQDRQ1 compatible with TTL logic levels?
Yes, its open collector output is compatible with TTL, MOS, and CMOS logic levels.
What are the key features of the LM2903BQDRQ1?
Key features include low power consumption, wide supply voltage range, high ESD protection, and low input offset voltage.
What is the ESD protection level of the LM2903BQDRQ1?
It offers 2kV HBM ESD protection.
What is the typical supply current per comparator?
The typical supply current is 200µA per comparator.
What makes the LM2903BQDRQ1 suitable for automotive applications?
Its compliance with the AEC-Q100 standard and robust design make it suitable for automotive applications.
What is the input bias current of the LM2903BQDRQ1?
The typical input bias current is 3.5nA.
What is the output type of the LM2903BQDRQ1?
It has an open collector output type.
