Texas Instruments

LM4040D20IDCKR

LM4040D20IDCKR Description

The LM4040D20IDCKR is a precision shunt voltage reference from Texas Instruments, designed to provide a highly stable and accurate reference voltage for a variety of electronic applications. This device features a fixed output voltage of 2.048V with a tolerance of ±1%, ensuring precise voltage regulation. The LM4040D20IDCKR is housed in a compact SC70-5 package, making it suitable for surface-mount applications where space is at a premium.

Key technical specifications include a maximum output current of 15 mA, a cathode current of 80 µA, and a low temperature coefficient of 150 ppm/°C, which ensures minimal drift over a wide temperature range. Additionally, the device exhibits low noise of 35 µVrms over the 10Hz to 10kHz frequency band, contributing to its high performance in sensitive analog circuits.

The LM4040D20IDCKR is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations. It also features a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard manufacturing environments. The device is available in a tape and reel package, facilitating automated assembly processes.

LM4040D20IDCKR Features

• Fixed Output Voltage: Provides a stable 2.048V reference voltage with ±1% tolerance.
• Low Temperature Coefficient: 150 ppm/°C ensures minimal voltage drift over temperature variations.
• Low Noise: 35 µVrms noise from 10Hz to 10kHz, ideal for high-precision applications.
• High Output Current: Capable of delivering up to 15 mA, suitable for driving multiple loads.
• Compact SC70-5 Package: Surface-mount design ideal for space-constrained applications.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, meeting industry standards.
• Moisture Sensitivity Level 1: Suitable for standard manufacturing environments without additional handling precautions.
• Tape & Reel Packaging: Facilitates automated assembly processes, enhancing manufacturing efficiency.

LM4040D20IDCKR Applications

The LM4040D20IDCKR is well-suited for a range of applications where precision voltage references are required. Its low noise and high stability make it ideal for use in:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels.
• Precision Voltage Regulators: Acts as a reference for voltage regulation circuits.
• Instrumentation and Measurement Equipment: Enhances accuracy in sensitive measurement applications.
• Power Management Circuits: Ensures stable reference for power supply regulation.
• Medical and Industrial Equipment: Provides reliable voltage references in critical applications.

Conclusion of LM4040D20IDCKR

The LM4040D20IDCKR from Texas Instruments stands out as a versatile and high-performance shunt voltage reference. Its combination of a fixed output voltage, low temperature coefficient, and low noise makes it an excellent choice for precision analog applications. The compact SC70-5 package and surface-mount design further enhance its suitability for modern electronics, where space efficiency and ease of assembly are critical. With its environmental compliance and robust manufacturing specifications, the LM4040D20IDCKR is a reliable component for a wide range of applications, ensuring accurate and stable voltage references in demanding environments.