Overview
The LM2903P, manufactured by Texas Instruments, is a dual differential comparator integrated circuit (IC) designed for a wide range of applications. This model is part of the LM2903 series and is known for its low power consumption and low offset voltage. It is housed in an 8-pin PDIP package, making it suitable for through-hole mounting. The LM2903P is widely used in industrial, automotive, and consumer electronics due to its robust performance and reliability.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Offset Voltage (Vos) | 7 | mV | |
| Static Current (Max) | 2.5 | mA | |
| Supply Voltage | 1~18; 2~36 | V | Single/Dual |
| Output Current | 20 | mA | |
| Input Bias Current | 250 | nA | |
| Output Type | CMOS, MOS, Open-Drain, TTL | ||
| Response Time | 1.3 | µs | |
| Operating Temperature | -40~+125 | °C | |
| Storage Temperature | -65~+150 | °C | |
| Dimensions (L x W) | 10.16 x 6.60 | mm | |
| Height | 5.08 | mm | |
| Mounting Type | Through-Hole | ||
| Pin Count | 8 | Pin | |
| Pin Spacing | 2.54 | mm | |
| Lifecycle Status | Active | ||
| Certification | RoHS |
Key Features
- Low power consumption with a maximum static current of 2.5 mA.
- Wide supply voltage range from 1V to 36V, supporting both single and dual supply configurations.
- Fast response time of 1.3 µs, suitable for high-speed applications.
- Robust operating temperature range from -40°C to +125°C, ideal for harsh environments.
- Open-drain output type allows for flexible interfacing with other logic families.
Applications
The LM2903P is extensively used in various fields such as industrial automation, automotive electronics, and consumer electronics. Its primary applications include voltage level detection, signal conditioning, and control systems. In automotive electronics, it is often employed in battery management systems and sensor interfaces. In consumer electronics, it is used in power management and protection circuits. The device's reliability and performance make it a preferred choice for critical applications.
Q & A
1. What is the input offset voltage of the LM2903P?
The input offset voltage is 7 mV.
2. What is the maximum static current of the LM2903P?
The maximum static current is 2.5 mA.
3. What is the supply voltage range for the LM2903P?
The supply voltage range is from 1V to 36V, supporting both single and dual supply configurations.
4. What is the response time of the LM2903P?
The response time is 1.3 µs.
5. What is the operating temperature range of the LM2903P?
The operating temperature range is from -40°C to +125°C.
6. What type of output does the LM2903P have?
The LM2903P has an open-drain output type.
7. What is the pin count of the LM2903P?
The LM2903P has 8 pins.
8. What is the pin spacing of the LM2903P?
The pin spacing is 2.54 mm.
9. Is the LM2903P RoHS compliant?
Yes, the LM2903P is RoHS compliant.
10. What is the typical application of the LM2903P in automotive electronics?
In automotive electronics, the LM2903P is commonly used in battery management systems and sensor interfaces.
