Texas Instruments

LM385BYMX-1.2

LM385BYMX-1.2 Description

The LM385BYMX-1.2 is a precision shunt voltage reference IC from Texas Instruments, designed to provide a stable and accurate reference voltage for a variety of electronic applications. This device features a fixed output voltage of 1.235V with a tolerance of ±1%, ensuring high precision in voltage regulation. The LM385BYMX-1.2 is capable of delivering an output current of up to 20 mA, making it suitable for applications requiring moderate current loads.

The temperature coefficient of the LM385BYMX-1.2 is 50ppm/°C, which ensures minimal drift in the reference voltage over a wide temperature range of 0°C to 70°C. This stability is crucial for maintaining accurate measurements and performance in varying environmental conditions. The device also exhibits low noise characteristics, with a noise level of 60µVrms over the frequency range of 10Hz to 10kHz, contributing to its high performance in precision applications.

The LM385BYMX-1.2 is packaged in a surface-mount 8SOIC format, making it ideal for compact and space-constrained designs. It is available in a tape and reel package, facilitating efficient handling and assembly processes. Despite its obsolescence status, the LM385BYMX-1.2 remains a reliable choice for applications where its specific attributes are required.

LM385BYMX-1.2 Features

• Fixed Output Voltage: 1.235V with a tolerance of ±1%, ensuring high precision and stability.
• Output Current Capability: Up to 20 mA, suitable for moderate current applications.
• Low Temperature Coefficient: 50ppm/°C, minimizing voltage drift over the operating temperature range of 0°C to 70°C.
• Low Noise Performance: 60µVrms noise level from 10Hz to 10kHz, enhancing accuracy in sensitive applications.
• Surface-Mount Packaging: 8SOIC format, ideal for compact and space-efficient designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Compliance: REACH unaffected, ensuring compliance with environmental regulations.

LM385BYMX-1.2 Applications

The LM385BYMX-1.2 is well-suited for a variety of applications that require a stable and precise voltage reference. Its low noise and temperature stability make it ideal for precision analog circuits, such as:

• 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 reconstruction.
• Power Supplies: Used in voltage regulation circuits to maintain a stable output voltage.
• Instrumentation: Ideal for precision measurement devices requiring high accuracy and stability.
• Medical Devices: Suitable for applications where reliability and precision are critical.

Conclusion of LM385BYMX-1.2

The LM385BYMX-1.2 from Texas Instruments is a high-performance shunt voltage reference IC that offers a combination of precision, stability, and low noise. Its fixed output voltage, low temperature coefficient, and low noise performance make it an excellent choice for precision analog applications. Despite its obsolescence status, the LM385BYMX-1.2 remains a reliable and precise voltage reference for applications where its specific attributes are required. Its surface-mount packaging and compliance with environmental regulations further enhance its suitability for modern electronic designs.