MAX6126B30+T

Overview

The MAX6126B30+T is a series-mode voltage reference from Analog Devices/Maxim Integrated, providing a fixed 3.000V output in an 8-pin SOIC package. It features B-grade initial accuracy of ±0.06% and a maximum temperature coefficient of 5ppm/°C over the -40°C to +85°C range. The device operates with a supply voltage between 3.2V and 12.6V, drawing a typical quiescent current of 380μA. It supports up to 10mA sink/source current and includes force/sense outputs for remote sensing.

Feature Summary

• Ultra-low noise architecture with flicker noise reduction capability via external capacitor
• Curvature-correction circuitry utilizing laser-trimmed thin-film resistors
• Independent force and sense outputs for Kelvin connection compensation
• Low dropout operation with virtually supply-voltage-independent current draw

Applications

• High-resolution A/D and D/A converters
• ATE equipment
• Precision current sources
• Digital voltmeters

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing this part number. Confirm that the B-grade designation aligns with the required ±0.06% accuracy and 5ppm/°C temperature coefficient specifications for your application. Ensure the 8-pin SOIC footprint matches your PCB layout constraints.

Selection Notes

Select this component when high precision and low noise are critical without requiring shutdown functionality. The B-grade offers a balance of performance and cost compared to the A-grade. Consider the 8-pin SOIC package for standard surface-mount assembly processes. Verify input voltage requirements exceed the minimum dropout threshold for the selected load conditions.

Part Context

This device belongs to the MAX6126 family of ultra-high-precision, ultra-low-noise series voltage references. The family provides various fixed output voltages including 2.048V, 2.500V, 3.000V, and others. It is designed for applications demanding stable reference voltages over wide temperature ranges and varying load conditions.

Replacement Considerations

Direct replacements within the same family include MAX6126B30+ (tube packaging) or MAX6126A30+ (higher grade). Cross-family alternatives like the MAX6127 may be considered if shutdown pins are needed.