onsemi

LM285Z-1.2RA

LM285Z-1.2RA Description

The LM285Z-1.2RA is a precision shunt voltage reference IC designed by onsemi, a leading manufacturer in the power management sector. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Through Hole TO92-3 package. The LM285Z-1.2RA provides a fixed output voltage of 1.235V with a tolerance of ±1%, ensuring high accuracy and reliability in various electronic applications. It features a maximum output current of 20 mA and a cathode current of 20 µA, making it suitable for low-power applications. The device also boasts a low noise level of 60µVrms across the 10Hz to 10kHz frequency range, contributing to its high performance in sensitive circuits. The temperature coefficient of 80ppm/°C typical ensures stable performance over a wide temperature range. Despite its obsolescence status, the LM285Z-1.2RA remains a viable option for applications requiring a precision voltage reference.

LM285Z-1.2RA Features

• Precision Voltage Reference: The LM285Z-1.2RA offers a fixed output voltage of 1.235V with a tolerance of ±1%, ensuring high accuracy and reliability.
• Low Noise Performance: With a noise level of 60µVrms from 10Hz to 10kHz, this device is ideal for applications requiring low noise and high precision.
• Stable Over Temperature: The temperature coefficient of 80ppm/°C typical ensures that the reference voltage remains stable across a wide range of operating temperatures.
• Low Power Consumption: The device has a maximum cathode current of 20 µA, making it suitable for low-power applications.
• Through Hole Mounting: The Through Hole mounting type facilitates easy integration into various electronic circuits.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM285Z-1.2RA is suitable for use in environments with varying humidity levels.
• Compliance: The device is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

LM285Z-1.2RA Applications

The LM285Z-1.2RA is ideal for a variety of applications requiring a precision voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog-to-digital conversion.
• Digital-to-Analog Converters (DACs): Ensures precise output levels in digital-to-analog conversion processes.
• Power Supply Circuits: Acts as a reference for voltage regulators and power supply circuits, maintaining consistent output voltage.
• Instrumentation and Measurement Equipment: Enhances the accuracy and reliability of measurement devices by providing a stable reference voltage.
• Medical Devices: Ensures precise operation in medical equipment where accuracy and reliability are critical.

Conclusion of LM285Z-1.2RA

The LM285Z-1.2RA is a precision shunt voltage reference IC that offers high accuracy, low noise, and stable performance over a wide temperature range. Despite being marked as obsolete, its technical specifications and performance benefits make it a reliable choice for applications requiring a precision voltage reference. The device's low power consumption, Through Hole mounting, and compliance with international regulations further enhance its suitability for various electronic applications. For those seeking a precision voltage reference with proven reliability, the LM285Z-1.2RA remains a viable option.