Overview
The LM2903DRE4, produced by Texas Instruments, is a dual differential comparator integrated circuit. It is part of the LM2903 series, known for its high-voltage and micropower capabilities. This component is widely used in various applications requiring precise voltage comparisons. The LM2903DRE4 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) and is RoHS compliant, making it suitable for modern electronic designs. It has been a staple in the industry since its introduction, offering reliable performance across a broad range of operating conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Comparators | 2 | |
| Response Time | 0.3 µs (300 ns) | |
| Supply Voltage Range | 2 V to 36 V | V |
| Comparator Case Style | SOIC-8 | |
| Number of Pins | 8 | |
| Operating Temperature Range | -40°C to 125°C | °C |
| Input Offset Voltage | -2.5 to 2.5 mV (typical) | mV |
| Input Bias Current | -3.5 to 25 nA (typical) | nA |
| Low-Level Output Current | 6 mA (typical at VOL = 1.5 V, VID = -1 V) | mA |
| Supply Current | 0.8 to 1 mA (typical at VCC = 5 V) | mA |
Key Features
- Dual differential comparators with open-drain outputs
- High-voltage operation: up to 36 V
- Micropower consumption: suitable for low-power applications
- Wide operating temperature range: -40°C to 125°C
- Low input offset voltage and bias current
- Fast response time: 0.3 µs (300 ns)
- RoHS compliant and automotive qualified
Applications
The LM2903DRE4 is versatile and can be used in a variety of applications, including:
- Voltage monitoring and detection circuits
- Threshold detectors
- Window comparators
- Automotive systems requiring high reliability and wide operating temperature ranges
- Industrial control systems
- Medical devices requiring precise voltage comparisons
Q & A
- What is the LM2903DRE4?
The LM2903DRE4 is a dual differential comparator integrated circuit produced by Texas Instruments. - What is the package type of the LM2903DRE4?
The LM2903DRE4 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit). - What is the operating temperature range of the LM2903DRE4?
The operating temperature range is -40°C to 125°C. - What is the supply voltage range for the LM2903DRE4?
The supply voltage range is 2 V to 36 V. - Is the LM2903DRE4 RoHS compliant?
Yes, the LM2903DRE4 is RoHS compliant. - What is the typical response time of the LM2903DRE4?
The typical response time is 0.3 µs (300 ns). - What are some common applications of the LM2903DRE4?
Common applications include voltage monitoring, threshold detection, window comparators, automotive systems, industrial control systems, and medical devices. - How many comparators are included in the LM2903DRE4?
The LM2903DRE4 includes two differential comparators. - What is the typical input offset voltage of the LM2903DRE4?
The typical input offset voltage is -2.5 to 2.5 mV. - Is the LM2903DRE4 suitable for automotive applications?
Yes, the LM2903DRE4 is automotive qualified.
