View max6325-max6350 datasheet:

19-1203; Rev 1; 1/01 1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References General Description ____________________________Features The MAX6325/MAX6341/MAX6350 are low-noise, preci- Ultra Low, 1ppm/°C Max Tempco sion voltage references with extremely low, 0.5ppm/°C Very Low, 1.5µVp-p Noise (0.1Hz to 10Hz) typical temperature coefficients and excellent, ±0.02% (MAX6325) initial accuracy. These devices feature buried-zener technology for lowest noise performance. Load-regula- ±0.02% Initial Accuracy (MAX6350) tion specifications are guaranteed for source and sink ±15mA Output Source and Sink Current currents up to 15mA. Excellent line and load regulation and low output impedance at high frequencies make Low, 18mW Power Consumption (MAX6325) them ideal for high-reso