The LM4040C25FTA is a 0.5% 2.5V Voltage Reference manufactured by Diodes Incorporated. It is a precision, temperature-compensated, low dynamic impedance Voltage Reference with a guaranteed drift of only 0.5% over the entire temperature range of -40°C to 125°C. The device offers high accuracy even when powered down to 0V. It is a cost-effective device well-suited for a wide range of applications, including microprocessor power supplies, programmable logic controllers, and digital signal processors. It has a low output impedance and low noise, making it ideal for applications requiring multiple references in close proximity to one another. The LM4040C25FTA offers a wide range of operating voltage from 1.25V to 6.75V and a current sourcing capability up to 10mA.