Texas Instruments

LM385PW-2-5

LM385PW-2-5 Description

The LM385PW-2-5 is a precision shunt voltage reference IC designed by Texas Instruments. This device is part of the Power Management (PMIC) category and is for known its high stability and accuracy. The LM385PW-2-5 provides a fixed output voltage of 2.5V with a tolerance of ±3%, ensuring reliable performance in various electronic applications. It features a low temperature coefficient of 20ppm/°C typical, which minimizes voltage drift over a wide temperature range, from 0°C to 70°C (TA). The device is capable of delivering a maximum output current of 20 mA, making it suitable for applications requiring moderate power levels.

The LM385PW-2-5 is housed in an 8TSSOP package, which is ideal for surface mount applications. It has a cathode current of 20 µA, ensuring efficient power consumption. The device is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. With a moisture sensitivity level (MSL) of 1 (unlimited), the LM385PW-2-5 is suitable for storage and handling in various environmental conditions. The product is currently marked as obsolete by Texas Instruments, but it remains a reliable choice for existing designs and applications.

LM385PW-2-5 Features

• Fixed Output Voltage: Provides a stable 2.5V reference voltage with a tolerance of ±3%.
• Low Temperature Coefficient: Features a typical temperature coefficient of 20ppm/°C, ensuring minimal voltage drift over the operating temperature range.
• Moderate Output Current: Capable of delivering up to 20 mA, suitable for applications requiring moderate power levels.
• Low Noise: Exhibits a noise level of 120µVrms from 10Hz to 10kHz, ensuring clean voltage reference for sensitive applications.
• Shunt Reference Type: Acts as a shunt reference, providing a stable voltage reference across a wide range of load currents.
• Surface Mount Package: Housed in an 8TSSOP package, ideal for surface mount applications and compact designs.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring adherence to environmental and safety standards.
• Moisture Sensitivity: MSL 1 (unlimited), suitable for storage and handling in various environmental conditions.

LM385PW-2-5 Applications

The LM385PW-2-5 is ideal for a variety of applications where a stable and accurate voltage reference is required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate digital conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels in DACs by providing a reliable voltage reference.
• Power Supplies: Acts as a voltage reference in linear and switching power supplies, enhancing stability and accuracy.
• Battery Management Systems: Offers a stable reference for monitoring and managing battery voltages.
• Precision Measurement Equipment: Provides a stable reference for high-precision measurement devices, ensuring accurate readings.

Conclusion of LM385PW-2-5

The LM385PW-2-5 is a versatile and reliable precision shunt voltage reference IC, suitable for a wide range of applications requiring stable and accurate voltage references. Its low temperature coefficient and low noise performance make it an ideal choice for sensitive electronic designs. Despite being marked as obsolete, the LM385PW-2-5 remains a robust option for existing designs and applications where a stable 2.5V reference voltage is required. Its environmental compliance and surface mount package further enhance its suitability for modern electronic systems.