Texas Instruments

LM4040C20IDBZT  

Voltage References

LM4040C20IDBZT Description

The LM4040C20IDBZT is a high-precision, low-temperature-coefficient shunt voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage in a compact SOT23-3 package. This device is ideal for applications requiring a fixed output voltage with minimal noise and excellent temperature stability. The LM4040C20IDBZT offers a fixed output voltage of 2.048V with a tolerance of ±0.5%, ensuring high accuracy in voltage reference applications. Its low temperature coefficient of 100ppm/°C ensures minimal drift over a wide temperature range, making it suitable for demanding industrial and consumer electronics applications.

LM4040C20IDBZT Features

• Fixed Output Voltage: The LM4040C20IDBZT provides a stable output voltage of 2.048V, which is ideal for precision analog circuits.
• Low Temperature Coefficient: With a temperature coefficient of 100ppm/°C, this device ensures minimal voltage drift over temperature variations, enhancing the accuracy and reliability of the reference voltage.
• Low Noise: The noise level of 35µVrms over the 10Hz to 10kHz frequency range ensures a clean reference voltage, crucial for sensitive analog-to-digital and digital-to-analog conversion processes.
• High Precision: The ±0.5% tolerance guarantees high precision, making it suitable for applications where accuracy is paramount.
• Low Quiescent Current: The device operates with a low cathode current of 80µA, which is beneficial for low-power applications.
• Surface Mount Packaging: The SOT23-3 package is compact and suitable for surface-mount technology, allowing for integration into space-constrained designs.
• Compliance and Reliability: The LM4040C20IDBZT is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage and handling conditions.

LM4040C20IDBZT Applications

The LM4040C20IDBZT is well-suited for a variety of applications that demand high precision and stability in voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate digital representations of analog signals.
• Digital-to-Analog Converters (DACs): Ensures precise output levels in DACs, critical for applications like audio processing and signal generation.
• Power Management Circuits: Used in voltage regulation and monitoring circuits to maintain stable operating conditions.
• Precision Measurement Equipment: Ideal for laboratory and industrial measurement devices where accuracy and stability are essential.
• Consumer Electronics: Suitable for applications like smartphones, tablets, and other portable devices that require compact and reliable voltage references.

Conclusion of LM4040C20IDBZT

The LM4040C20IDBZT from Texas Instruments stands out as a high-performance shunt voltage reference, offering a combination of precision, low noise, and excellent temperature stability. Its compact SOT23-3 package and low quiescent current make it an ideal choice for space-constrained and low-power applications. The device's compliance with environmental and regulatory standards further enhances its suitability for a wide range of industrial and consumer electronics applications. For engineers and designers seeking a reliable and accurate voltage reference, the LM4040C20IDBZT is a compelling option that delivers outstanding performance in a small form factor.

LM4040C20IDBZT Documents

Download datasheets and manufacturer documentation for LM4040C20IDBZT

PCN Assembly/Origin :

Qual of NFME 17/Feb/2017      

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Design/Specification :

LM404xx 07/Mar/2023