Texas Instruments

LM4040D82IDBZR

LM4040D82IDBZR Description

The LM4040D82IDBZR is a precision shunt voltage reference from Texas Instruments, designed for applications requiring high accuracy and stability. This device offers a fixed output voltage of 8.192V with a tolerance of ±1%, ensuring precise voltage regulation. It features a maximum output current of 15 mA and a cathode current of 115 µA, making it suitable for a wide range of power management applications. The LM4040D82IDBZR is housed in a compact SOT23-3 package, ideal for surface mount applications where space is a critical consideration.

LM4040D82IDBZR Features

• High Accuracy and Stability: The LM4040D82IDBZR provides a highly accurate voltage reference with a tight tolerance of ±1%. This ensures consistent performance across a wide range of operating conditions.
• Low Noise: With a noise level of only 130µVrms from 10Hz to 10kHz, this voltage reference is ideal for sensitive analog circuits where low noise is critical.
• Low Temperature Coefficient: The device has a temperature coefficient of 150ppm/°C, ensuring minimal drift over temperature variations, which is crucial for maintaining accuracy in precision applications.
• Compliance and Reliability: The LM4040D82IDBZR is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage and handling.
• Packaging and Mounting: Available in a tape and reel (TR) package, the LM4040D82IDBZR is optimized for automated assembly processes, enhancing manufacturing efficiency.

LM4040D82IDBZR Applications

The LM4040D82IDBZR is well-suited for a variety of applications that demand precise voltage references. These include:

• Analog-to-Digital Converters (ADCs): The low noise and high accuracy make it an ideal reference for ADCs, ensuring precise and reliable conversions.
• Digital-to-Analog Converters (DACs): The stable voltage reference helps maintain the accuracy of DAC outputs, crucial for applications like audio processing and instrumentation.
• Power Management Circuits: The device's ability to handle up to 15 mA of output current makes it suitable for use in power management integrated circuits (PMICs), providing a stable reference for voltage regulation.
• Precision Measurement Equipment: The low temperature coefficient and high accuracy are beneficial in precision measurement tools, such as digital multimeters and oscilloscopes.

Conclusion of LM4040D82IDBZR

The LM4040D82IDBZR from Texas Instruments is a versatile and high-performance shunt voltage reference, offering a combination of accuracy, stability, and low noise. Its compact SOT23-3 package and surface mount compatibility make it suitable for a wide range of applications, from precision measurement equipment to power management circuits. The device's compliance with environmental and safety standards, along with its low temperature coefficient and high tolerance accuracy, positions it as a reliable choice for engineers and designers seeking a precision voltage reference.