Overview
The LM2903HD, manufactured by STMicroelectronics, is a dual differential comparator designed for a wide range of applications. This component is part of the LM2903 series, known for its low power consumption and high performance. It is particularly suitable for use in battery-powered devices, industrial control systems, and automotive electronics. The LM2903HD operates over a wide supply voltage range, making it versatile for various electronic designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2 to 36 | V | |
| Operating Temperature | -40 to +150 | °C | |
| Input Offset Voltage | 1 | mV | Tamb = +25°C |
| Input Bias Current | 25 | nA | Typical |
| Output Current | 16 | mA | |
| Package | SOP8 |
Key Features
- Wide single supply voltage range or dual supplies from +2V to +36V or ±1V to ±18V.
- Very low supply current (0.4mA) independent of supply voltage.
- Low input bias current: 25nA typical.
- Input common-mode voltage range includes ground.
- Low output saturation voltage: 250mV typical at IO = 4mA.
Applications
The LM2903HD is widely used in various fields such as industrial automation, consumer electronics, and automotive electronics. Its ability to operate from a single power supply over a wide voltage range makes it ideal for battery-powered devices. In automotive applications, it is used for monitoring and control systems due to its reliability and performance under harsh conditions.
Q & A
1. What is the operating voltage range of the LM2903HD?
The LM2903HD operates over a supply voltage range of 2V to 36V.
2. What is the typical input bias current of the LM2903HD?
The typical input bias current is 25nA.
3. Can the LM2903HD operate with dual power supplies?
Yes, it can operate with dual power supplies ranging from ±1V to ±18V.
4. What is the operating temperature range of the LM2903HD?
The operating temperature range is from -40°C to +150°C.
5. What package does the LM2903HD come in?
It comes in an SOP8 package.
6. What is the typical output saturation voltage of the LM2903HD?
The typical output saturation voltage is 250mV at an output current of 4mA.
7. Is the LM2903HD suitable for automotive applications?
Yes, it is suitable for automotive applications due to its reliability and performance under harsh conditions.
8. What is the maximum output current of the LM2903HD?
The maximum output current is 16mA.
9. What is the typical supply current of the LM2903HD?
The typical supply current is 0.4mA.
10. Can the LM2903HD be used in battery-powered devices?
Yes, its low power consumption and wide voltage range make it ideal for battery-powered devices.
