MAX6133AASA25+T

Overview

The MAX6133AASA25+T is a high-precision, low-power series voltage reference featuring bandgap technology. It provides a fixed output of 2.500V with an initial accuracy of ±0.04% and a maximum temperature coefficient of 3ppm/°C across the -40°C to +125°C range. The device operates on a supply voltage from 2.7V to 12.6V, consuming only 40µA of quiescent current. It supports source currents up to 15mA with a dropout voltage as low as 200mV. Packaged in an 8-pin SOIC for surface-mount applications.

Feature Summary

• Bandgap architecture ensures low noise performance and excellent long-term stability through laser-trimmed thin-film resistors.
• Low dropout capability allows operation with minimal input-to-output voltage difference, maximizing efficiency.
• Series-mode design minimizes external component requirements compared to shunt references while saving system power.

Applications

• Precision regulators
• A/D and D/A converters
• Power supplies

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the 'A' grade designation matches the required 3ppm/°C temperature coefficient specification. Ensure the manufacturer is identified as Analog Devices or Maxim Integrated for authenticity. Check RoHS compliance status against current regulatory requirements before finalizing procurement orders.

Selection Notes

Select this part for applications requiring tight accuracy over wide temperature ranges without excessive power consumption. The 8-pin SO package suits standard surface-mount assembly processes. Consider the 15mA source current limit when designing load circuits. Verify that the 2.7V minimum input voltage aligns with the available supply rails in the target system design.

Part Context

This component belongs to the MAX6133 family of precision voltage references. The family includes variants with different output voltages and packages, such as µMAX. The A-grade designation specifically denotes the tighter 3ppm/°C temperature coefficient found in the SO package versions. This model represents the 2.5V output option within the series.

Replacement Considerations

Direct substitutes include other MAX6133AASA variants with different output voltages if the voltage level can be adjusted. Cross-reference with MAX6133BASA for looser tolerance requirements. Verify pin compatibility and thermal characteristics before substituting with generic bandgap references.