Product Overview: LM4128CMF-3.3/NOPB

The LM4128CMF-3.3/NOPB is a precision voltage reference from Texas Instruments, renowned for its high accuracy and stability. This device is part of the LM4128 series and is designed to provide a fixed 3.3V output voltage. It is ideal for various applications, including data acquisition systems, instrumentation, and portable, battery-powered devices.

Key Features

• Precision Output Voltage: The LM4128CMF-3.3/NOPB offers a precise 3.3V output, which is crucial for systems requiring a stable reference voltage.
• Low Temperature Coefficient: With a temperature coefficient of typically 20ppm/°C, this device maintains its accuracy over a wide temperature range, making it suitable for temperature-sensitive applications.
• High Output Current: Capable of sourcing up to 20mA and sinking up to 10mA, the LM4128CMF-3.3/NOPB can drive a wide range of loads.
• Low Dropout Voltage: The low dropout voltage allows the reference to remain accurate even with minimal difference between the input voltage and the reference voltage.
• Stable with Capacitive Loads: This voltage reference remains stable with capacitive loads, ensuring reliable performance in various circuit configurations.
• Low Noise: It features a low output noise of 30μV RMS (10Hz to 10kHz), which is beneficial for high-precision and low-noise sensitive applications.

Applications

• Portable, battery-powered equipment
• Data acquisition systems
• Instrumentation and test equipment
• Medical and healthcare devices
• Automotive electronics

Quality and Reliability

The LM4128CMF-3.3/NOPB is available in a small SOT-23 package and is characterized for operation from −40°C to +125°C. The "NOPB" suffix indicates that this product is part of Texas Instruments' commitment to environmentally friendly manufacturing, being free of lead and other environmentally sensitive materials. This voltage reference is designed to meet the stringent requirements of industrial and automotive applications, ensuring both high performance and reliability.

Conclusion

With its precision, stability, and low noise characteristics, the LM4128CMF-3.3/NOPB from Texas Instruments stands out as an excellent choice for designers who require a reliable voltage reference in their circuits. Its robustness in temperature variations and flexible load-driving capability make it adaptable to a wide range of challenging environments and applications.