MAX6138AEXR41+T

Overview

The MAX6138AEXR41+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 4.096V 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 package for space-critical applications
• Laser-trimmed resistors ensure precise initial accuracy
• Low dynamic impedance ensures stable reverse breakdown voltage
• Operates without external stabilizing capacitors

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 electrical tolerances and packaging specifications. Confirm RoHS compliance status directly through authorized distributors or the manufacturer's official product pages before procurement. Ensure the component matches the required pin configuration and thermal characteristics for the intended circuit design.

Selection Notes

Select this component when high precision and compact form factor are required in portable electronics. The 4.096V output is suitable for systems requiring standard reference voltages. Evaluate the power dissipation limits based on the source resistor and supply voltage variations to maintain operation within the specified 60μA to 15mA shunt current range.

Part Context

This part belongs to the MAX6138 family of precision shunt voltage references. The 'A' designation indicates a 0.1% initial accuracy grade, while 'EXR' denotes the SC70-3 surface-mount package and tape-and-reel delivery format. The '+T' suffix typically signifies lead-free manufacturing compliant with environmental directives.

Replacement Considerations

MAX6138BEXR41+T (0.2% accuracy)

FAQ

Does the MAX6138AEXR41+T require an external capacitor for stability?

No, the MAX6138 does not require an external stabilizing capacitor and remains stable with any capacitive load.

What is the minimum operating current for this device?

The minimum operating current is 60μA, ensuring proper regulation across the specified temperature range.