MCP1502T-25E/CHY

Overview

The MCP1502T-25E/CHY is a buffered voltage reference with a nominal output of 2.5V and an initial accuracy of ±0.1%. It operates within a supply voltage range of 2.7V to 5.5V and delivers a maximum load current of ±20 mA. The device features a typical operating current of 140 µA and a maximum temperature coefficient of 7 ppm/°C across the -40°C to +125°C range. It utilizes a chopper-based amplifier architecture for low noise and drift, housed in a 6-lead SOT-23 package.

Feature Summary

• Capable of sourcing and sinking up to 20 mA of output current
• Utilizes chopper-based amplifiers to minimize drift and offset
• Includes an active-low shutdown pin for power management
• Qualified for automotive applications under AEC-Q100 standards

Applications

• Precision data acquisition systems
• Electric vehicle battery management systems
• High-resolution data converters
• Medical equipment applications
• Industrial controls

Procurement Notes

Verify that the ordering suffix 'CHY' corresponds to the 6-lead SOT-23 surface-mount package configuration. Confirm the 'E' designation indicates compliance with RoHS directives and absence of hazardous substances. Ensure the specific voltage variant matches the required system reference level before procurement.

Selection Notes

Select this component when high precision and low drift are critical requirements. The 2.5V output is suitable for driving ADCs requiring stable references. Consider the ±20 mA drive capability for direct loading or buffering needs. Evaluate the 140 µA quiescent current against battery life constraints in portable designs.

Part Context

This part belongs to the MCP1502 family of high-precision buffered voltage references. It shares architectural similarities with the MCP1501 but offers enhanced performance characteristics including lower temperature coefficients and higher drive capabilities. The family provides multiple fixed voltage options to accommodate various industrial and automotive design specifications.

Replacement Considerations

The MCP1501 series serves as a related alternative within the same product family. Verify compatibility regarding package dimensions and pinout configurations during substitution planning.