ADR443BRZ: High-Precision 3V Voltage Reference IC by Analog Devices | 0.04% Tolerance, 3ppm/ C 2025-05-22 The ADR443BRZ is a high-precision 3V voltage reference IC from Analog Devices featuring 0.04% tolerance, 3ppm/ C tempco, and ultra-low 1.4 Vp-p noise. Ideal for precision ADCs, DACs, and measurement systems.