The LM3103MHX/NOPB is a precision voltage reference from Texas Instruments designed for high-accuracy analog circuits. This device provides a stable 3.0V output voltage with ultra-low temperature drift and high stability, housed in a compact SOT-23 package. It operates over a wide input voltage range of 3.0V to 30V, making it suitable for applications requiring precise voltage regulation in varying power supply conditions. The LM3103MHX/NOPB is ideal for systems demanding minimal noise and drift in precision measurement and control circuits.

Key Features

This voltage reference achieves an output voltage accuracy of ±0.1% at 25°C, with a temperature coefficient as low as 5 ppm/°C, ensuring exceptional stability across operating temperatures. It features a low initial voltage tolerance (±0.1%) and ultra-low noise (1.5 μV RMS over 0.1–10 Hz), minimizing errors in sensitive applications. The device supports a wide operating temperature range of -40°C to +125°C, ensuring reliability in harsh environments. It consumes minimal power, with a typical supply current of 50 μA, making it energy-efficient for battery-operated systems. The LM3103MHX/NOPB also exhibits excellent load regulation (±0.01 mV/mA) and line regulation (±0.01% over 4V–30V), maintaining precise output under varying load and input conditions.

Applications

Ideal for precision instrumentation, data acquisition systems, and sensor signal conditioning, the LM3103MHX/NOPB is widely used in medical devices, industrial control systems, and test equipment where high accuracy is critical. It is also employed in automotive electronics, power supply regulation, and communication infrastructure to ensure stable voltage references for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). Its low noise and drift characteristics make it suitable for applications such as audio amplifiers, battery management systems, and high-resolution measurement devices.

Summary

The LM3103MHX/NOPB combines exceptional precision, stability, and low power consumption, making it a premier choice for systems requiring a highly reliable voltage reference. Its ultra-low drift, wide operating voltage range, and compact SOT-23 package enable seamless integration into precision circuits across diverse industries, including industrial automation, healthcare, and communications. This device is indispensable for engineers designing circuits that demand minimal voltage deviation and robust performance in demanding environments.