Overview
The LM285BXZ-1.2 is a micropower voltage reference diode produced by National Semiconductor (now part of Texas Instruments). This component is designed to provide a stable 1.235V reference voltage across a wide operating current range, making it ideal for precision applications in various electronic systems. Its compact TO-92-3 package and low power consumption make it suitable for portable and battery-powered devices. The LM285BXZ-1.2 is particularly valued for its tight voltage tolerance and excellent temperature stability, ensuring reliable performance in diverse environmental conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Reference Voltage | 1.235 | V | Fixed |
| Initial Accuracy | 1 | % | Max |
| Operating Temperature Range | -40 to 85 | °C | |
| Current Range | 10 µA to 20 mA | ||
| Package | TO-92-3 | Through Hole | |
| Voltage Tolerance | 1 | % | Max |
| Temperature Coefficient | 150 | ppm/°C | Max |
Key Features
- Micropower operation with a current range of 10 µA to 20 mA.
- Stable 1.235V reference voltage with tight tolerance (±1%).
- Excellent temperature stability with a maximum coefficient of 150 ppm/°C.
- Compact TO-92-3 package for easy integration into various designs.
- Wide operating temperature range from -40°C to +85°C.
Applications
The LM285BXZ-1.2 is widely used in applications requiring precise voltage references, such as portable meters, battery-powered devices, and general-purpose analog circuitry. Its low power consumption and stable performance make it ideal for use in portable electronics, industrial control systems, and automotive electronics. Additionally, its ability to operate over a wide temperature range ensures reliability in harsh environments.
Q & A
1. What is the reference voltage of the LM285BXZ-1.2?
The reference voltage is 1.235V.
2. What is the operating temperature range of this component?
It operates from -40°C to +85°C.
3. What is the maximum initial accuracy of the LM285BXZ-1.2?
The maximum initial accuracy is ±1%.
4. What package does the LM285BXZ-1.2 come in?
It is available in a TO-92-3 package.
5. What is the current range for this voltage reference?
The current range is 10 µA to 20 mA.
6. Is the LM285BXZ-1.2 suitable for battery-powered devices?
Yes, its micropower operation makes it ideal for battery-powered applications.
7. What is the temperature coefficient of this component?
The maximum temperature coefficient is 150 ppm/°C.
8. Can the LM285BXZ-1.2 be used in automotive electronics?
Yes, its wide temperature range and stability make it suitable for automotive applications.
9. What is the typical application of this voltage reference?
It is commonly used in portable meters, regulators, and precision analog circuits.
10. Is the LM285BXZ-1.2 available in surface-mount packages?
No, it is only available in a through-hole TO-92-3 package.
