MAX6138AEXR50/GG8

Overview

The MAX6138AEXR50/GG8 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 5.0V with an initial accuracy of 0.1%. The device operates within a temperature range of -40°C to +85°C and features a maximum temperature coefficient of 25ppm/°C. It supports a wide operating current range from 60µA to 15mA and utilizes a subminiature 3-pin SC70 surface-mount package.

Feature Summary

• Ultra-small 3-pin SC70 surface-mount package for space-critical applications
• Laser-trimmed resistors ensure precise initial accuracy
• Stable operation without requiring external stabilizing capacitors
• Low dynamic impedance ensures stable reverse breakdown voltage

Applications

• Portable, battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process control

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm exact specifications. Confirm that the component matches the required pin configuration and package dimensions. Ensure compatibility with the intended operating temperature range and electrical parameters before procurement.

Selection Notes

Select this component when a compact footprint is required alongside high precision. The 0.1% initial accuracy and low temperature coefficient make it suitable for sensitive analog circuits. Evaluate the power dissipation requirements based on the source resistance and supply voltage variations in the design.

Part Context

This part belongs to the MAX6138 series of shunt voltage references. The series offers multiple fixed reverse breakdown voltages including 1.2205V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V. The 'A' grade denotes the highest initial accuracy tier within the family.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.