Texas Instruments

LM4040A20IDCKR  

Voltage References

LM4040A20IDCKR Description

The LM4040A20IDCKR is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.048V with a tolerance of ±0.1%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SC70-5 package, making it suitable for surface-mount applications. The LM4040A20IDCKR features a low temperature coefficient of 100ppm/°C, ensuring stable performance across a wide temperature range. It can handle a maximum cathode current of 80 µA and provides a low noise level of 35µVrms from 10Hz to 10kHz, making it ideal for high-precision applications. The device is REACH unaffected and Ro3HS compliant, ensuring environmental safety and regulatory compliance. With a moisture sensitivity level (MSL) of 1 (unlimited), the LM4040A20IDCKR is suitable for various manufacturing processes without the risk of moisture-related damage. The product is currently active and available in tape and reel (TR) packaging, facilitating efficient handling and assembly in production environments.

LM4040A20IDCKR Features

• Precision Voltage Reference: The LM4040A20IDCKR provides a highly accurate fixed output voltage of 2.048V with a tight tolerance of ±0.1%, ensuring reliable performance in precision applications.
• Low Temperature Coefficient: With a temperature coefficient of 100ppm/°C, the device maintains stable performance across varying temperatures, making it suitable for applications requiring high accuracy over a wide temperature range.
• Low Noise Performance: The device exhibits low noise levels of 35µVrms from 10Hz to 10kHz, which is critical for applications sensitive to voltage fluctuations and noise.
• Compact SC70-5 Package: The small form factor of the SC70-5 package allows for integration into space-constrained designs, making it ideal for modern electronic systems.
• Surface Mount Technology: The LM4040A20IDCKR is designed for surface-mount applications, facilitating automated assembly processes and enhancing reliability in high-volume production.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental regulations and is safe for use in various industries.
• Moisture Sensitivity Level 1: With an MSL of 1 (unlimited), the LM4040A20IDCKR is suitable for manufacturing processes without the need for special handling or storage conditions to prevent moisture damage.

LM4040A20IDCKR Applications

The LM4040A20IDCKR is well-suited for a variety of applications where precision voltage references are required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The high accuracy and low noise characteristics of the LM4040A20IDCKR make it an ideal reference voltage source for ADCs, ensuring precise and reliable conversion of analog signals to digital data.
• Digital-to-Analog Converters (DACs): In DAC applications, the stable and low-noise reference voltage provided by the LM4040A20IDCKR ensures accurate reproduction of analog signals from digital inputs.
• Power Management Circuits: The device can be used in power management applications to provide a stable reference voltage for voltage regulators, ensuring consistent performance and power delivery.
• Precision Measurement Equipment: The LM4040A20IDCKR's high accuracy and low temperature coefficient make it suitable for precision measurement equipment, such as voltmeters and multimeters, where accurate voltage references are crucial.
• Medical Devices: In medical equipment, where precision and reliability are paramount, the LM4040A20IDCKR can serve as a stable reference voltage for various sensors and measurement circuits.

Conclusion of LM4040A20IDCKR

The LM4040A20IDCKR from Texas Instruments is a high-performance shunt voltage reference IC that offers exceptional accuracy, low noise, and stability across a wide temperature range. Its compact SC70-5 package and surface-mount technology make it suitable for integration into modern electronic systems, while its environmental compliance and moisture sensitivity level ensure ease of use in various manufacturing processes. The LM4040A20IDCKR is ideal for applications requiring precision voltage references, such as ADCs, DACs, power management circuits, precision measurement equipment, and medical devices. Its unique features and advantages over similar models make it a reliable and efficient choice for engineers and designers in the electronics industry.

LM4040A20IDCKR Documents

Download datasheets and manufacturer documentation for LM4040A20IDCKR

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Packaging :

Retraction 15/Mar/2016       Multiple Devices 29/Sep/2015