Texas Instruments

LM385BPW-1-2

LM385BPW-1-2 Description

The LM385BPW-1-2 is a precision shunt voltage reference IC designed by Texas Instruments. This device is part of the Voltage References category and is housed in an 8-TSSOP package. It features a fixed output voltage of 1.235V with a tolerance of ±1%, making it highly reliable for precision applications. The LM385BPW-1-2 is designed to operate within a temperature range of 0°C to 70°C, ensuring stable performance across a wide range of environmental conditions.

LM385BPW-1-2 Features

• Fixed Output Voltage: The LM385BPW-1-2 provides a stable output voltage of 1.235V, which is ideal for applications requiring a precise reference voltage.
• Low Noise: With a noise level of 60µVrms over the 10Hz to 10kHz frequency range, this device ensures minimal interference in sensitive analog circuits.
• Low Temperature Coefficient: The typical temperature coefficient of 20ppm/°C ensures that the output voltage remains stable across the operating temperature range, reducing drift and improving accuracy.
• High Output Current Capability: The device can source up to 20mA of output current, making it suitable for driving various loads without significant voltage drop.
• Low Cathode Current: The cathode current is only 15µA, which minimizes power consumption and heat generation, contributing to higher efficiency.
• Compliance and Packaging: The LM385BPW-1-2 is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is also packaged in a tray, which is suitable for surface mount applications.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the device is highly resistant to moisture, making it suitable for a variety of manufacturing processes.

LM385BPW-1-2 Applications

The LM385BPW-1-2 is ideal for a range of applications where precision voltage references are required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high stability of the LM385BPW-1-2 make it an excellent reference voltage source for ADCs, ensuring accurate conversions.
• Digital-to-Analog Converters (DACs): The device can provide a stable reference voltage for DACs, enhancing the precision of analog output signals.
• Precision Measurement Instruments: In instruments requiring high accuracy, such as voltmeters and ammeters, the LM385BPW-1-2 ensures reliable performance.
• Power Supply Calibration: The device can be used to calibrate power supplies, ensuring that they deliver precise output voltages.
• Medical and Industrial Equipment: In applications where accuracy and reliability are critical, such as medical diagnostic equipment and industrial control systems, the LM385BPW-1-2 provides a dependable voltage reference.

Conclusion of LM385BPW-1-2

The LM385BPW-1-2 from Texas Instruments stands out as a high-performance shunt voltage reference IC. Its combination of low noise, low temperature coefficient, and high output current capability makes it a versatile and reliable choice for precision applications. The device's compliance with environmental standards and its robust packaging further enhance its appeal. Whether used in ADCs, DACs, precision instruments, or power supply calibration, the LM385BPW-1-2 delivers the stability and accuracy required for demanding electronic designs.