onsemi

LM385Z-2.5G

LM385Z-2.5G Description

The LM385Z-2.5G from onsemi is a precision 2.5V shunt voltage reference designed for stable and reliable performance in a wide range of electronic applications. Housed in a TO-92-3 package, this fixed-output reference operates as a two-terminal device, functioning similarly to a Zener diode but with superior accuracy and lower noise. With a ±3% tolerance and a low temperature coefficient of 80ppm/°C (typical), it ensures consistent voltage regulation across varying environmental conditions. The device is optimized for low-power systems, drawing a minimal cathode current of 30µA, making it ideal for battery-powered and energy-efficient designs.

LM385Z-2.5G Features

• Fixed 2.5V output with ±3% tolerance for precise voltage regulation.
• Ultra-low operating current (30µA cathode current) enhances power efficiency.
• Low noise performance (120µVrms from 10Hz to 10kHz) ensures clean reference signals.
• Wide operating temperature range (0°C to 70°C) for robust performance in industrial and consumer applications.
• Shunt reference topology simplifies circuit integration without requiring an external feedback network.
• RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.
• Through-hole mounting (TO-92-3) facilitates easy prototyping and PCB assembly.

LM385Z-2.5G Applications

The LM385Z-2.5G excels in applications requiring stable, low-power voltage references, including:

• Battery-powered devices (e.g., portable meters, IoT sensors) due to its ultra-low current draw.
• Analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) where noise immunity is critical.
• Power supply monitoring and voltage regulation circuits in industrial control systems.
• Consumer electronics such as smart home devices, where reliability and efficiency are paramount.
• Automotive electronics (non-critical systems) within its specified temperature range.

Conclusion of LM385Z-2.5G

The LM385Z-2.5G stands out as a cost-effective, high-performance shunt voltage reference, combining low power consumption, precision, and ease of integration. Its low noise and stable output make it a preferred choice for designers seeking reliable voltage references in portable, industrial, and consumer applications. With onsemi's proven quality and compliance with environmental standards, this device offers a dependable solution for systems demanding long-term accuracy and efficiency.