View lm4050-lm4051 datasheet:

19-2563; Rev 0; 7/02 50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages General Description Features The LM4050/LM4051 are precision two-terminal, shunt- 50ppm/°C (max) Temperature Coefficient mode, bandgap voltage references available in fixed Guaranteed over the -40°C to +125°C reverse breakdown voltages of 1.225V, 2.048V, 2.500V, Temperature Range 3.000V, 4.096V, and 5.000V. Ideal for space-critical Ultra-Small 3-Pin SC70 Package applications, the LM4050/LM4051 are offered in the subminiature 3-pin SC70 surface-mount packages 0.1% (max) Initial Accuracy (1.8mm x 1.8mm), 50% smaller than comparable Wide Operating Current Range: 60µA to 15mA devices in SOT23 surface-mount package (SOT23 ver- sions are also available). L