Introduction
The ISL21090XXEV1Z evaluation board is designed to measure the performance of the high precision ISL21090 voltage reference. The reference has a wide input voltage range from the individual threshold voltage to 36V and an initial accuracy of 0.02% to 0.035%. The voltage noise of 1µVP-P in the 0.1Hz to 10Hz range (1.25V option) and maximum output voltage temperature coefficient of 7 ppm/°C make the ISL21090 ideal for high end applications.

The evaluation board includes voltage input test points (VIN and GND) for a power supply input, as well as a pair of test points for the output (VOUT and GND). Additionally, a jumperable R-C damper network can connectL to VOUT (J1), and R2 accepts surface mount or through-hole style resistors for output load testing.