Texas Instruments

LM285BXM-1.2

LM285BXM-1.2 Description

The LM285BXM-1.2 is a precision shunt voltage reference prototype from Texas Instruments, designed for applications requiring high accuracy and stability. This device is part of the Power Management Integrated Circuits (PMIC) category and offers a fixed output voltage of 1.235V with a tolerance of ±1%. The LM285BXM-1.2 is optimized for surface mount applications, making it suitable for compact and high-density designs. It features a low temperature coefficient of 30ppm/°C, ensuring stable performance across varying temperatures. The device is designed for a maximum output current of 20 mA and a cathode current of 10 µA, providing reliable operation in a wide range of conditions. The LM285BXM-1.2 is packaged in bulk and is ROHS3 compliant, adhering to environmental standards. With a moisture sensitivity level (MSL) of 1 (unlimited), it is well-suited for various manufacturing processes.

LM285BXM-1.2 Features

• Precision Voltage Reference: The LM285BXM-1.2 provides a highly accurate fixed output voltage of 1.235V, with a tight tolerance of ±1%, ensuring consistent performance in precision applications.
• Low Temperature Coefficient: The device maintains a low temperature coefficient of 30ppm/°C, which minimizes voltage drift over temperature variations, making it ideal for applications requiring high stability.
• Low Noise Performance: With a noise level of 60µVrms over the 10Hz to 10kHz frequency range, the LM285BXM-1.2 ensures clean and stable voltage references, crucial for sensitive analog circuits.
• Surface Mount Compatibility: The surface mount design allows for easy integration into modern, high-density PCB layouts, optimizing space utilization and enhancing thermal performance.
• Environmental Compliance: The LM285BXM-1.2 is ROHS3 compliant, ensuring it meets the latest environmental standards and regulations, making it suitable for a wide range of industries.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the device is robust against moisture exposure, simplifying manufacturing processes and reducing the risk of moisture-related failures.

LM285BXM-1.2 Applications

The LM285BXM-1.2 is ideal for a variety of applications where precision voltage references are critical. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for high-precision ADCs, ensuring accurate digital representations of analog signals.
• Digital-to-Analog Converters (DACs): Ensures consistent output levels in DACs, maintaining signal integrity in mixed-signal systems.
• Power Supply Circuits: Used in voltage regulators and power management circuits to provide a stable reference voltage, enhancing overall system reliability.
• Precision Measurement Equipment: Ideal for laboratory and industrial measurement devices where accuracy and stability are paramount.
• Medical Devices: Suitable for medical equipment requiring precise voltage references for accurate diagnostics and treatment.

Conclusion of LM285BXM-1.2

The LM285BXM-1.2 from Texas Instruments stands out as a high-performance shunt voltage reference, offering a combination of precision, stability, and environmental compliance. Its low temperature coefficient, low noise, and surface mount compatibility make it a versatile solution for a wide range of applications. Whether used in precision measurement equipment, power supply circuits, or medical devices, the LM285BXM-1.2 ensures reliable and accurate performance. As a prototype, it represents the cutting-edge of voltage reference technology, providing engineers with a robust and reliable component for their designs.