Typical Application for ADR421 2.5V XFET Output Negative Voltage Reference

Typical Application for ADR421 2.5V XFET Output Negative Voltage Reference. The ADR42x are a series of ultraprecision, second generation extra implanted junction FET (XFET) voltage references featuring low noise, high accuracy, and excellent long-term stability in SOIC and MSOP footprints