Product Overview: LM4128CMF-3.3 Precision Voltage Reference

The LM4128CMF-3.3 is a high-precision voltage reference component manufactured by Texas Instruments, a leader in semiconductor design and production. This device is part of the LM4128 series of voltage references known for their low noise, high accuracy, and low temperature coefficient, making them ideal for high-performance applications.

Key Features

• Output Voltage: The LM4128CMF-3.3 provides a fixed output voltage of 3.3V, suitable for a wide range of applications, including A/D and D/A converters, power supplies, and portable instrumentation.
• High Accuracy: With an initial accuracy of ±0.1% (max) and a temperature coefficient of 75 ppm/°C (max) over the entire temperature range, this voltage reference ensures precise voltage regulation in critical applications.
• Low Dropout Voltage: The device operates with a very low dropout voltage, allowing it to function correctly even when the supply voltage is close to the output voltage, enhancing system efficiency.
• Stability: The LM4128CMF-3.3 is stable with capacitive loads up to 10 μF, which is beneficial for applications with dynamic load conditions.
• Package: The device comes in a small SOT-23 package, making it an excellent choice for space-constrained applications.
• Extended Temperature Range: It operates over an extended industrial temperature range of −40°C to +125°C, accommodating a broad spectrum of environmental conditions.

Applications

The LM4128CMF-3.3 precision voltage reference is versatile and can be used in various high-end and industrial applications where stable and accurate voltage is paramount. Some of the typical applications include:

• Precision data converters (ADCs/DACs)
• Battery-powered equipment
• Portable medical instruments
• Automotive electronics
• Industrial process control systems

With its high precision and robust performance, the LM4128CMF-3.3 from Texas Instruments stands out as a reliable choice for designers looking to enhance the accuracy and stability of their power management systems.