The LM4128BMF-3.3/NOPB is a precision voltage reference from Texas Instruments, designed to provide a stable and precise reference voltage for various applications. This component is part of the LM4128 series and is specifically designed to output a fixed voltage of 3.3V. It is a crucial component in applications requiring a stable voltage reference, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other sensitive electronic circuits.

Key Features

• Precision Output: The device offers a high-precision output voltage of 3.3V with an initial accuracy of ±0.1% at 25°C, which is ideal for critical applications that demand a high level of accuracy.
• Low Temperature Coefficient: The LM4128BMF-3.3/NOPB has a low temperature coefficient, typically 20ppm/°C, ensuring minimal deviation in output voltage with changes in temperature.
• Wide Operating Current Range: This voltage reference can operate over a wide current range from 60µA to 12mA, providing flexibility in a variety of power conditions.
• Stable with Capacitive Loads: The device is stable with capacitive loads up to 10µF, which is beneficial for applications where the load conditions may vary or be unpredictable.
• Low Dropout Voltage: It features a low dropout voltage, typically 60mV at a load current of 100µA, allowing it to function properly even when the supply voltage is close to the output voltage.

Applications

The LM4128BMF-3.3/NOPB is suitable for a wide range of applications that require a stable and precise reference voltage. These include:

• Portable, battery-powered equipment
• Data acquisition systems
• Industrial control systems
• Medical devices
• Automotive electronics
• High-resolution ADCs and DACs

Package and Quality

This voltage reference is available in a compact SOT-23 package, making it suitable for space-constrained applications. The "NOPB" suffix indicates that the product is lead-free and RoHS compliant, adhering to environmental standards. Texas Instruments' commitment to quality ensures that the LM4128BMF-3.3/NOPB is a reliable choice for precision voltage reference needs.