MAX6103EUR

Overview

The MAX6103EUR is a series voltage reference IC manufactured by Analog Devices Inc./Maxim Integrated, housed in an SOT-23-3 surface-mount package. It provides a fixed output of 3V with a tolerance of ±0.4%. The device operates within an input voltage range of 3.2V to 12.6V and draws a supply current of 125µA. It supports a maximum output current of 5mA and functions across a temperature range of -40°C to 85°C. Key electrical characteristics include a noise level of 35µVp-p from 0.1Hz to 10Hz, a temperature coefficient of 75ppm/°C, and a 40µVrms noise specification.

Feature Summary

• Series voltage reference architecture providing stable fixed output
• Low power consumption suitable for battery-operated applications
• Compact SOT-23-3 surface-mount packaging for space-constrained designs

Applications

• Portable instrumentation requiring precise voltage references
• Battery-powered measurement systems
• Data acquisition systems needing low-noise references

Procurement Notes

Verify the specific suffix 'EUR' against the manufacturer's official datasheet to confirm pinout and thermal specifications. Ensure the component meets RoHS3 compliance requirements for your region. Confirm availability status as stock levels fluctuate. Cross-reference the ordering number with authorized distributors to avoid counterfeit parts. Check for any specific handling or storage instructions related to moisture sensitivity.

Selection Notes

Select this component when a fixed 3V reference with high accuracy is required. Consider the ±0.4% tolerance and 75ppm/°C temperature coefficient for precision needs. Evaluate the 125µA supply current against system power budgets. Verify that the SOT-23-3 package fits the PCB layout constraints. Compare performance metrics against alternative references if lower noise or tighter tolerance is necessary.

Part Context

This part belongs to the MAX6100-MAX6107 family of micropower voltage references. These devices are designed for applications demanding high accuracy and low power consumption. The series offers various fixed output voltages and packages. The MAX6103 specifically targets the 3V output requirement within this lineup.

Replacement Considerations

Consult the manufacturer's datasheet for direct pin-to-pin replacements within the MAX610x series. Verify equivalent electrical parameters such as output voltage, tolerance, and noise before substitution.