LT1019ACS8-2.5 

Description: IC VREF SERIES/SHUNT 2.5V 8SOIC, Tolerance: ±0.05%, Packaging: Tube, Package / Case: 8-SOIC (0.154", 3.90mm Width), Temperature Coefficient: 5ppm/°C, Output Type: Fixed, Mounting Type: Surface Mount, Voltage - Input: 4V ~ 40V, Reference Type: Series, Shunt, Operating Temperature: 0°C ~ 70°C (TA), Current - Supply: 1.3mA, Supplier Device Package: 8-SO, Voltage - Output (Min/Fixed): 2.5V, Noise - 0.1Hz to 10Hz: 2.5ppmp-p, Noise - 10Hz to 10kHz: 2.5ppmrms, Current - Cathode: 800 µA, Current - Output: 10 mA.