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MC1403DR2G

MC1403DR2G Description

The MC1403DR2G from onsemi is a precision series voltage reference IC designed for stable voltage regulation in electronic circuits. Housed in an 8-SOIC package with surface-mount compatibility, it delivers a fixed 2.5V output with an exceptional ±1% tolerance and a low temperature coefficient of 40ppm/°C, ensuring reliable performance across a 0°C to 70°C operating range. With a wide input voltage range (4.5V to 40V) and a modest 1.5mA supply current, this device is optimized for efficiency in power-sensitive applications. Though marked as obsolete, it remains a robust choice for legacy designs requiring high precision.

MC1403DR2G Features

• High Precision: ±1% output voltage tolerance ensures accuracy in critical applications.
• Low Drift: 40ppm/°C temperature coefficient minimizes output variation with thermal changes.
• Wide Input Range: Operates from 4.5V to 40V, accommodating diverse power supplies.
• Low Power Consumption: Draws only 1.5mA supply current, ideal for battery-powered systems.
• Surface-Mount Design: 8-SOIC package (Tape & Reel) suits automated assembly processes.
• Stable Output: Delivers 10mA output current, supporting moderate load demands.
• Compliance: REACH unaffected and ECCN EAR99, ensuring broad regulatory acceptance.

MC1403DR2G Applications

The MC1403DR2G excels in systems requiring stable voltage references, such as:

• Analog-to-Digital Converters (ADCs): Provides precise reference voltages for accurate signal conversion.
• Digital Voltmeters (DVMs): Ensures measurement consistency in test equipment.
• Power Management Circuits: Acts as a reliable bias source for regulators and controllers.
• Industrial Control Systems: Maintains voltage stability in harsh environments.
• Legacy Electronics: Suitable for maintaining or repairing older designs where replacement options are limited.

Conclusion of MC1403DR2G

The MC1403DR2G offers a compelling blend of precision, thermal stability, and wide operating range, making it a dependable choice for voltage reference needs. While obsolete, its low drift and high accuracy ensure continued relevance in industrial, instrumentation, and legacy applications. Engineers seeking a cost-effective, proven solution for moderate-load voltage regulation will find this IC a practical option, particularly where consistent performance under varying conditions is critical.