Texas Instruments

LM4040CIZ-10.0

LM4040CIZ-10.0 Description

The LM4040CIZ-10.0 is a fixed output voltage reference IC designed by Texas Instruments, featuring a precise 10V output voltage with a tolerance of ±0.5%. This shunt reference is housed in a TO-92-3 package, making it suitable for through-hole mounting. It offers a maximum cathode current of 100 µA and an output current capability of up to 15 mA. The device is known for its low noise performance, with a noise level of 180 µVrms over the 10Hz to 10kHz frequency range. Additionally, the LM4040CIZ-10.0 has a temperature coefficient of 100ppm/°C, ensuring stable performance across varying temperatures. Despite being marked as obsolete, it remains a reliable choice for applications requiring a stable voltage reference. The device is REACH unaffected and falls under the ECCN classification of EAR99, with a HTSUS code of 8542.39.0001. Its moisture sensitivity level (MSL) is rated at 1 (unlimited), indicating robustness against moisture exposure.

LM4040CIZ-10.0 Features

• Fixed Output Voltage: Provides a stable 10V output with a tight tolerance of ±0.5%, ensuring precise voltage reference in various applications.
• Low Noise Performance: Achieves a low noise level of 180 µVrms from 10Hz to 10kHz, minimizing voltage fluctuations and improving overall system accuracy.
• Temperature Stability: Maintains performance with a temperature coefficient of 100ppm/°C, ensuring consistent output voltage across a wide temperature range.
• High Current Capability: Capable of sourcing up to 15 mA, making it suitable for applications requiring higher current loads.
• Robust Packaging: Housed in a TO-92-3 package, offering reliable mechanical stability and ease of integration in through-hole designs.
• Moisture Resistance: Rated at MSL 1 (unlimited), providing excellent resistance to moisture, which is crucial for applications in humid environments.
• Compliance: REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

LM4040CIZ-10.0 Applications

The LM4040CIZ-10.0 is ideal for a variety of applications where a stable and precise voltage reference is required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage to ensure accurate digital conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels for reliable analog signal generation.
• Power Supplies: Acts as a voltage reference for feedback loops in linear and switching power supplies.
• Instrumentation and Test Equipment: Used in precision measurement devices to maintain accuracy and reliability.
• Battery Management Systems: Offers a stable reference for voltage monitoring and control in battery-powered devices.

Conclusion of LM4040CIZ-10.0

The LM4040CIZ-10.0 from Texas Instruments is a high-performance voltage reference IC that out stands for its precision, stability, and robustness. Its low noise, tight tolerance, and temperature stability make it a reliable choice for applications requiring accurate voltage references. Despite being marked as obsolete, its continued availability and performance characteristics ensure it remains a viable option for engineers and designers. The LM4040CIZ-10.0 is particularly well-suited for applications in precision measurement, power supply design, and battery management systems, where its high current capability and stable performance are critical.