Texas Instruments

LM385BDG4-1-2  

Voltage References

LM385BDG4-1-2 Description

The LM385BDG4-1-2 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 1.235V with a tolerance of ±1%. This device is part of the Power Management (PMIC) category and is housed in an 8SOIC package, making it suitable for surface mount applications. Despite being marked as obsolete, the LM385BDG4-1-2 remains a reliable choice for applications requiring a stable voltage reference.

LM385BDG4-1-2 Features

• Fixed Output Voltage: Provides a stable 1.235V output, ideal for precision applications.
• Low Temperature Coefficient: With a typical temperature coefficient of 20ppm/°C, the LM385BDG4-1-2 ensures minimal voltage drift over temperature variations.
• Low Noise: Features a noise level of 60µVrms from 10Hz to 10kHz, contributing to high signal integrity.
• High Output Current Capability: Capable of delivering up to 20mA of output current, making it suitable for driving various loads.
• Low Cathode Current: Requires only 15µA of cathode current, minimizing power consumption.
• Wide Operating Temperature Range: Operates reliably within a temperature range of 0°C to 70°C (TA).
• Compliance and Safety: REACH unaffected and ROHS3 compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, which is crucial for long-term reliability in various environments.

LM385BDG4-1-2 Applications

The LM385BDG4-1-2 is ideal for applications requiring a stable and precise voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels by offering a reliable reference.
• Power Supplies: Acts as a reference for voltage regulators, enhancing stability and accuracy.
• Instrumentation and Measurement Equipment: Offers a stable reference for precision measurements.
• Medical Devices: Ensures accurate and reliable performance in medical instrumentation.

Conclusion of LM385BDG4-1-2

The LM385BDG4-1-2 stands out as a robust and reliable voltage reference IC, offering a combination of precision, low noise, and high current capability. Its low temperature coefficient and wide operating temperature range make it suitable for a variety of applications, from precision measurement equipment to medical devices. Despite its obsolete status, the LM385BDG4-1-2 remains a viable option for engineers seeking a dependable voltage reference solution.

LM385BDG4-1-2 Documents

Download datasheets and manufacturer documentation for LM385BDG4-1-2

Datasheets :

LM385BDE4-1-2      

PCN Obsolescence/ EOL :

EOL 16/Jun/2023