onsemi

LM385BZ-1.2RA

LM385BZ-1.2RA Description

The LM385BZ-1.2RA is a precision shunt voltage reference IC designed for applications requiring high accuracy and stability. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a TO92-3 package. It features a fixed output voltage of 1.235V with a tolerance of ±1%, making suitable it for a wide range of precision analog applications. The LM385BZ-1.2RA is designed to operate within an ambient temperature range of 0°C to 70°C and offers a maximum cathode current of 20 µA, ensuring low power consumption. Despite its obsolescence status, the LM385BZ-1.2RA remains a reliable choice for applications where its specific performance characteristics are required.

LM385BZ-1.2RA Features

• Fixed Output Voltage: The LM385BZ-1.2RA provides a stable output voltage of 1.235V, ensuring consistent performance in precision applications.
• Low Temperature Coefficient: With a typical temperature coefficient of 80ppm/°C, the device maintains high accuracy across its operating temperature range.
• Low Noise: The noise level is kept to a minimum at 60µVrms over the frequency range of 10Hz to 10kHz, contributing to the overall precision of the reference voltage.
• High Current Capability: The device can handle a maximum cathode current of 20 µA, allowing for efficient operation in low-power applications.
• Tolerance: The ±1% tolerance ensures that the output voltage remains within tight limits, enhancing the reliability and accuracy of the reference.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a variety of environmental conditions.
• Mounting Type: The through-hole mounting type facilitates easy integration into printed circuit boards, ensuring robust mechanical stability.
• Compliance: The LM385BZ-1.2RA is REACH unaffected and classified under ECCN EAR99, ensuring compliance with relevant regulations.

LM385BZ-1.2RA Applications

The LM385BZ-1.2RA is ideal for applications requiring a stable and accurate voltage reference. Its precision and low noise make it suitable for:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage, enhancing the accuracy of ADCs in data acquisition systems.
• Digital-to-Analog Converters (DACs): Ensures precise output levels in DACs, critical for signal processing applications.
• Precision Voltage Dividers: Utilized in voltage divider circuits to maintain accurate voltage levels.
• Battery Management Systems: Offers a stable reference for voltage monitoring and control in battery-operated devices.
• Power Supply Circuits: Used in power supply circuits provide to a stable reference voltage for regulation and control.

Conclusion of LM385BZ-1.2RA

The LM385BZ-1.2RA is a versatile and reliable shunt voltage reference IC, offering high accuracy and stability with a fixed output voltage of 1.235V. Its low temperature coefficient, low noise, and high current capability make it an excellent choice for precision analog applications. Despite being marked as obsolete, the LM385BZ-1.2RA remains a valuable component for engineers and designers who require its specific performance characteristics. Its compliance with industry standards and robust mechanical stability further enhance its suitability for a wide range of applications.