LM136H-2.5

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A voltage reference, or reference voltage, is an important tool in many precision circuit designs, providing a stable reference voltage regardless of changes in temperature and current. The LM136H-2.5 is a popular voltage reference that provides a precise 2.5V output voltage and is suitable for both high and low voltage applications. In this article, we\'ll look at the application field and working principle of the LM136H-2.5 and how it can be used in a wide range of different applications.

Application Field of the LM136H-2.5

The LM136H-2.5 is a three-terminal adjustable voltage reference designed for use in high-precision voltage source circuits. It can be used in many applications where precise voltage regulation is required, such as low-voltage power supplies, power-line reference sources, temperature-compensated references, and analog-to-digital (A/D) converters. Its superior drift characteristics make it especially suitable for use in slow-chirp oscillators and temperature compensation circuits.

The LM136H-2.5 has wide input voltage range of 2.5V to 20V and offers very precise output voltage tolerance of ±2.5 mV ±2% for low-side reference, and ±10 mV ±2% for high-side reference. It is also capable of supplying currents up to 10mA and has power dissipation of 120mW, making it suitable for a wide variety of applications.

Working Principle of the LM136H-2.5

The working principle of the LM136H-2.5 is based on the Zener diode. The Zener diode is a specialized type of diode that is designed to act as a voltage reference by maintaining a constant voltage across its terminals even as the current fluctuates. The LM136H-2.5 uses a Zener diode as its reference element, providing a precise and stable voltage output even when the input voltage fluctuates.

The LM136H-2.5 also features an on-chip temperature compensation mechanism which helps to ensure that its output voltage remains stable even with variations in temperature. This temperature compensation circuit is based on a bandgap reference, and it is designed to sense any changes in temperature and automatically adjust the output voltage accordingly.

Conclusion

The LM136H-2.5 is a sophisticated and reliable voltage reference which can be used in a wide range of precision circuit designs. Its wide input voltage range and precise output voltage tolerance make it suitable for use in high and low voltage applications, while its on-chip temperature compensation circuit helps to ensure that its output voltage remains stable even in fluctuating temperatures. The LM136H-2.5 is a versatile and cost-effective choice for all of your voltage reference needs.

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