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LM385LP-2-5

LM385LP-2-5 Description

The LM385LP-2-5 is a precision 2.5V shunt voltage reference from National Semiconductor, designed for low-power applications requiring stable voltage regulation. Operating within a 0°C to 70°C temperature range, it delivers a fixed output with a tight ±3% tolerance and an exceptional 20ppm/°C typical temperature coefficient, ensuring minimal drift over varying conditions. With a 20 µA cathode current and 20 mA output current capability, it is optimized for micropower systems. The device exhibits low noise (120µVrms from 10Hz to 10kHz), making it suitable for sensitive analog circuits. Packaged in through-hole bulk format, it complies with EAR99 and HTSUS 8542.39.0001 regulations.

LM385LP-2-5 Features

• Fixed 2.5V output with ±3% tolerance for consistent performance.
• Ultra-low power consumption (20 µA cathode current) ideal for battery-operated devices.
• Low noise (120µVrms) ensures clean voltage references in precision analog designs.
• Excellent temperature stability (20ppm/°C typical) minimizes drift in varying environments.
• Robust through-hole mounting for reliable PCB integration.
• Wide operating current range (20 µA to 20 mA) accommodates diverse load conditions.

LM385LP-2-5 Applications

• Portable instrumentation (e.g., data loggers, sensors) due to low quiescent current.
• Precision voltage regulation in ADCs, DACs, and voltage monitors.
• Battery-powered systems (e.g., IoT devices, wearables) leveraging micropower efficiency.
• Noise-sensitive analog circuits (e.g., audio amplifiers, signal conditioners).
• Industrial control systems requiring stable references in harsh environments.

Conclusion of LM385LP-2-5

The LM385LP-2-5 stands out as a high-accuracy, low-power voltage reference for demanding applications. Its low noise, excellent thermal stability, and wide current range make it superior to generic references, particularly in portable and precision systems. Engineers favor this model for its reliability in critical analog designs, ensuring consistent performance across industrial, consumer, and automotive electronics.