Texas Instruments

LM4040B20IDBZT  

Voltage References

LM4040B20IDBZT Description

The LM4040B20IDBZT is a high-precision shunt voltage reference IC designed by Texas Instruments. This device offers a fixed output voltage of 2.048V with a tolerance of ±0.2%, ensuring high accuracy in voltage reference applications. It features a low temperature coefficient of 100ppm/°C, which minimizes voltage drift over varying temperatures, making it suitable for high-precision applications. The LM4040B20IDBZT supports a maximum output current of 15 mA and a cathode current of 80 µA, providing flexibility in circuit design. The device is packaged in a SOT23-3 surface-mount package, which is both compact and robust, making it ideal for space-constrained designs. Additionally, the LM4040B20IDBZT is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for various manufacturing environments.

LM4040B20IDBZT Features

• High Precision: The LM4040B20IDBZT offers a fixed output voltage of 2.048V with a tight tolerance of ±0.2%, ensuring high accuracy and reliability in voltage reference applications.
• Low Temperature Coefficient: The device has a low temperature coefficient of 100ppm/°C, which minimizes voltage drift over temperature variations, making it ideal for high-precision applications.
• Low Noise: With a noise level of 35µVrms from 10Hz to 10kHz, the LM4040B20IDBZT provides clean voltage references, crucial for sensitive analog circuits.
• High Output Current Capability: The device supports a maximum output current of 15 mA, allowing it to drive a variety of loads efficiently.
• Compact Packaging: Housed in a SOT23-3 surface-mount package, the LM4040B20IDBZT is compact and suitable for space-constrained designs.
• Regulatory Compliance: The LM4040B20IDBZT is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and adherence to regulatory standards.
• Moisture Sensitivity: With an MSL of 1 (unlimited), the device is suitable for various manufacturing environments, reducing the risk of moisture-related issues.

LM4040B20IDBZT Applications

The LM4040B20IDBZT is ideal for a wide range of applications where high-precision voltage references are required. Some specific use cases include:

• Data Converters: The low noise and high precision make it suitable for reference voltages in ADCs and DACs, ensuring accurate conversions.
• Power Supplies: The device can be used in precision power supplies to provide stable reference voltages, improving overall system performance.
• Instrumentation: High-precision voltage references are essential in test and measurement equipment, where accuracy and reliability are critical.
• Medical Devices: The compact size and high precision make it suitable for medical devices that require accurate voltage references.
• Consumer Electronics: The LM4040B20IDBZT can be used in consumer electronics where space is limited, but high precision is necessary.

Conclusion of LM4040B20IDBZT

The LM4040B20IDBZT is a versatile and high-precision shunt voltage reference IC that stands out due to its low temperature coefficient, low noise, and high output current capability. Its compact SOT23-3 package and regulatory compliance make it suitable for a wide range of applications, from data converters to medical devices. The device's high precision and reliability ensure that it meets the stringent requirements of modern electronic designs, making it an excellent choice for engineers seeking a robust and accurate voltage reference solution.

LM4040B20IDBZT Documents

Download datasheets and manufacturer documentation for LM4040B20IDBZT

PCN Assembly/Origin :

Qual of NFME 17/Feb/2017      

Datasheets :

LM4040x Datasheet      

PCN Design/Specification :

LM404xx 07/Mar/2023