onsemi

LM385Z-2.5

LM385Z-2.5 Description

The LM385Z-2.5 is a precision shunt voltage reference IC designed by onsemi, offering a fixed output voltage of 2.5V with a tolerance of ±3%. This device is well-suited for applications requiring a stable and accurate voltage reference. Despite being marked as obsolete, the LM385Z-2.5 remains a reliable choice for its intended applications due to its robust performance characteristics.

LM385Z-2.5 Features

• Fixed Output Voltage: The LM385Z-2.5 provides a stable 2.5V output, making it ideal for applications where a consistent reference voltage is required.
• Low Temperature Coefficient: With a typical temperature coefficient of 80ppm/°C, the LM385Z-2.5 ensures minimal drift in output voltage over a wide temperature range, enhancing its reliability in varying environmental conditions.
• Low Noise Performance: The device exhibits a low noise level of 120µVrms over the 10Hz to 10kHz frequency range, contributing to high precision in voltage reference applications.
• High Output Current Capability: The LM385Z-2.5 can handle an output current of up to 20mA, making it suitable for applications requiring higher current loads.
• Low Cathode Current: The device operates with a low cathode current of 30µA, which helps in minimizing power consumption and maintaining efficiency.
• Wide Operating Temperature Range: The LM385Z-2.5 operates reliably within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and consumer applications.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the LM385Z-2.5 is highly resistant to moisture, ensuring long-term reliability and performance.
• Compliance and Packaging: The LM385Z-2.5 is REACH unaffected and packaged in bulk, making it compliant with environmental regulations and suitable for mass production.

LM385Z-2.5 Applications

The LM385Z-2.5 is ideal for a variety of applications that demand precise voltage references, including:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog signal conversion.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for digital signal conversion.
• Power Supplies: Acts as a reference for voltage regulation and stabilization.
• Instrumentation: Used in precision measurement equipment for accurate voltage references.
• Consumer Electronics: Suitable for devices requiring stable voltage references, such as audio equipment and sensors.

Conclusion of LM385Z-2.5

The LM385Z-2.5 is a robust and reliable shunt voltage reference IC that offers a fixed 2.5V output with a tolerance of ±3%. Its low temperature coefficient, low noise performance, and high output current capability make it a valuable component for applications requiring precise voltage references. Despite its obsolete status, the LM385Z-2.5 remains a viable option for designers and engineers seeking a dependable voltage reference solution. Its compliance with environmental regulations and efficient packaging further enhance its suitability for various industrial and consumer applications.