Texas Instruments

LM4040CIM3X-8.2

LM4040CIM3X-8.2 Description

The LM4040CIM3X-8.2 is a precision shunt voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage for a variety of power management applications. This device features a fixed output voltage of 8.192V with a tolerance of ±0.5%, ensuring high precision in voltage regulation. It operates with a maximum output current of 15 mA and a cathode current of 95 µA, making it suitable for both low and moderate current applications. The LM4040CIM3X-8.2 is housed in a compact SOT23-3 package, ideal for surface mount applications where space is a constraint.

LM4040CIM3X-8.2 Features

• High Precision: The LM4040CIM3X-8.2 offers a tight tolerance of ±0.5%, ensuring accurate voltage regulation in sensitive applications.
• Low Noise: With a noise level of 130 µVrms over the 10Hz to 10kHz frequency range, this device provides clean voltage references, crucial for high-precision analog circuits.
• Stable Performance: The temperature coefficient of 100 ppm/°C ensures minimal drift over a wide operating temperature range, enhancing the stability and reliability of the reference voltage.
• Low Quiescent Current: The low cathode current of 95 µA minimizes power consumption, making it suitable for energy-efficient designs.
• Compliance and Packaging: The LM4040CIM3X-8.2 is REACH unaffected and packaged in a moisture sensitivity level 1 (unlimited) tape & reel format, ensuring ease of handling and integration into manufacturing processes.

LM4040CIM3X-8.2 Applications

The LM4040CIM3X-8.2 is ideal for applications requiring high-precision voltage references, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage to ensure accurate digital conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels for reliable analog signal generation.
• Power Supplies: Acts as a reference for voltage regulators to maintain stable output voltages.
• Instrumentation and Measurement Equipment: Offers a reliable reference for precise measurements and calibration.
• Medical Devices: Ensures accurate voltage levels for critical medical instrumentation.

Conclusion of LM4040CIM3X-8.2

The LM4040CIM3X-8.2 from Texas Instruments is a versatile and high-performance shunt voltage reference, suitable for a wide range of power management applications. Its high precision, low noise, and stable performance make it an ideal choice for demanding applications where accuracy and reliability are paramount. The compact SOT23-3 package and surface mount design allow for easy integration into space-constrained designs, while its low quiescent current ensures energy efficiency. Whether used in ADCs, DACs, power supplies, or medical devices, the LM4040CIM3X-8.2 delivers consistent and reliable performance, making it a standout choice in the precision voltage reference market.