Texas Instruments

LM385Z-1.2/LFT3

LM385Z-1.2/LFT3 Description

The LM385Z-1.2/LFT3 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 1.235V with a tolerance of -2.43%/+2.02%. This device is ideal for applications requiring a stable and accurate reference voltage. The LM385Z-1.2/LFT3 features a low temperature coefficient of 150ppm/°C, ensuring minimal drift over a wide operating temperature range of 0°C to 70°C. With a low noise level of 60µVrms from 10Hz to 10kHz, it provides a clean reference voltage suitable for sensitive analog circuits. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. It operates with a cathode current of 15µA and can deliver up to 20mA of output current, making it suitable for a variety of power management applications. The LM385Z-1.2/LFT3 is available in a through-hole TO92 package, ensuring robust mechanical stability and ease of integration into various electronic systems.

LM385Z-1.2/LFT3 Features

• Fixed Output Voltage: Provides a stable 1.235V reference voltage with tight tolerance.
• Low Temperature Coefficient: Ensures minimal voltage drift with a coefficient of 150ppm/°C.
• Low Noise Performance: Delivers a low noise level of 60µVrms over the 10Hz to 10kHz frequency range, ideal for precision applications.
• Wide Operating Temperature Range: Functions reliably from 0°C to 70°C, making it suitable for various environmental conditions.
• Compliance and Safety: REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
• High Output Current Capability: Capable of delivering up to 20mA of output current, supporting a wide range of load requirements.
• Low Cathode Current: Operates with a low cathode current of 15µA, minimizing power consumption.
• Through-Hole Mounting: Available in a through-hole TO92 package, ensuring robust mechanical stability and ease of integration.

LM385Z-1.2/LFT3 Applications

The LM385Z-1.2/LFT3 is designed for a variety of applications where a stable and accurate reference voltage is critical. Its low noise and low temperature coefficient make it ideal for precision analog circuits, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels.
• Voltage Regulators: Acts as a reference for linear and switching regulators.
• Battery Management Systems: Offers a stable reference for accurate voltage monitoring.
• Power Management ICs (PMICs): Serves as a reference for various power management functions.
• Instrumentation and Measurement Equipment: Ensures accurate measurements in sensitive applications.

Conclusion of LM385Z-1.2/LFT3

The LM385Z-1.2/LFT3 from Texas Instruments is a high-performance shunt voltage reference IC that stands out due to its precision and stability. With a low temperature coefficient and minimal noise, it provides a reliable reference voltage suitable for a wide range of precision analog applications. Its compliance with environmental standards and robust mechanical design make it an excellent choice for engineers looking to integrate a reliable reference voltage source into their designs. Whether used in ADCs, DACs, or other precision circuits, the LM385Z-1.2/LFT3 ensures accurate and stable performance, making it a valuable component in the electronics industry.