The LM4040DIM3-2.5 TR is a three-terminal ultra-precision shunt voltage reference from Texas Instruments. This device operates from a single 2.25V to 5.5V supply and is designed to provide an output voltage of 2.5000V. The LM4040DIM3-2.5 has 0.10% initial accuracy, 0.015% long-term stability and low 0.05%/V line regulation. This voltage reference offers excellent temperature coefficient of 5ppm/°C, has high output current handling capability of 50mA including dynamic stability control, low noise of 40uVrms and low power dissipation of 600uW. It is widely used in battery powered devices, automotive systems and in other high precision applications.