Texas Instruments

LM285M-1.2/NOPB

LM285M-1.2/NOPB Description

The LM285M-1.2/NOPB 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 ideal for applications requiring high accuracy and stability in voltage reference circuits. The LM285M-1.2/NOPB features a low temperature coefficient of 150ppm/°C, ensuring minimal drift over varying temperatures. It also boasts low noise levels, with a noise voltage of 60µVrms measured across the 10Hz to 10kHz frequency range, making it suitable for sensitive analog circuits.

The LM285M-1.2/NOPB is designed for surface mount applications and comes in a tube package, facilitating easy integration into compact and high-density PCB designs. It operates with a maximum output current of 20 mA, providing sufficient drive capability for a wide range of applications. The cathode current is specified at 10 µA, ensuring efficient operation and minimal power consumption. This device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental regulations.

LM285M-1.2/NOPB Features

• Fixed Output Voltage: Provides a stable 1.235V reference voltage with a tight tolerance of ±1%.
• Low Temperature Coefficient: Ensures stability with a low drift of 150ppm/°C, making it suitable for applications across a wide temperature range.
• Low Noise Performance: Achieves a noise level of 60µVrms from 10Hz to 10kHz, ideal for precision analog circuits.
• High Output Current Capability: Can source up to 20 mA, suitable for driving various loads.
• Efficient Operation: Operates with a low cathode current of 10 µA, minimizing power consumption.
• Surface Mount Compatibility: Designed for surface mount applications, fitting into compact and high-density PCB layouts.
• Environmental Compliance: Adheres to REACH and ROHS3 standards, ensuring environmental sustainability.
• Unlimited Moisture Sensitivity Level: MSL 1 rating allows for unlimited exposure to moisture, enhancing reliability in various environmental conditions.

LM285M-1.2/NOPB Applications

The LM285M-1.2/NOPB is well-suited for a variety of applications where precise voltage references are critical. These 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 Management Circuits: Used in voltage regulators and power supply designs for stable reference points.
• Instrumentation and Measurement Equipment: Enhances the accuracy of measurement devices by providing a stable reference voltage.
• Medical Devices: Ideal for applications requiring high precision and reliability, such as medical monitoring equipment.
• Industrial Control Systems: Ensures stable operation in harsh industrial environments due to its low temperature coefficient and moisture sensitivity level.

Conclusion of LM285M-1.2/NOPB

The LM285M-1.2/NOPB is a versatile and reliable precision shunt voltage reference IC from Texas Instruments. Its combination of a fixed 1.235V output, low temperature coefficient, low noise performance, and high output current capability make it an excellent choice for a wide range of precision analog applications. The device's surface mount compatibility, environmental compliance, and unlimited moisture sensitivity level further enhance its suitability for modern, compact, and environmentally conscious designs. Whether used in ADCs, DACs, power management circuits, or other precision applications, the LM285M-1.2/NOPB delivers consistent performance and reliability, making it a standout choice in the voltage reference market.