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The MAX6138CEXR30+T is a precision, two-terminal shunt mode bandgap voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown output voltage of 3.0V with an initial accuracy of 0.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum temperature coefficient of 25ppm/°C. It utilizes a subminiature 3-pin SC70 surface-mount package (1.8mm x 1.8mm) and supports a wide operating current range from 60μA to 15mA.
Verify the specific suffix 'C' indicates the 0.5% initial accuracy grade when sourcing this component. Confirm the '+T' designation corresponds to tape-and-reel packaging. Ensure the manufacturer is identified as Analog Devices or Maxim Integrated to guarantee authenticity. Cross-reference the datasheet revision date against your procurement documentation to ensure compliance with the latest specifications.
Select this part when space constraints require a footprint smaller than SOT-23 packages while maintaining high precision. The 3.0V output is suitable for systems requiring a direct reference near common logic levels. Verify that the load current requirements fall within the 60μA to 15mA operational window to maintain specified stability and accuracy parameters.
This component belongs to the MAX6138 family of precision shunt voltage references. The family offers multiple fixed reverse breakdown voltages including 1.2205V, 2.048V, 2.5V, 3.3V, 4.096V, and 5.0V. Variants are available in three grades of initial accuracy: 0.1%, 0.2%, and 0.5%. All variants share the same compact SC70 package and low-noise characteristics.
Public confirmed substitute part numbers are not provided in the source material.