The LM4128DQ1MFX3.3/NOPB is a precision micropower series voltage reference from Texas Instruments, renowned for its high stability and low temperature coefficient. This voltage reference is a member of the LM4128 series, which is designed to be highly versatile and suitable for a wide range of applications, including portable and battery-powered electronics.

Key Features

• Output Voltage: This device provides a fixed output voltage of 3.3V, making it ideal for systems that require a stable reference voltage in this range.
• Low Temperature Coefficient: With a temperature coefficient as low as 20ppm/°C, the LM4128 ensures minimal deviation in output voltage with changes in temperature, contributing to overall system accuracy.
• High Precision: The initial accuracy of the output voltage is ±0.1% (max), ensuring reliable and consistent performance for precision applications.
• Low Dropout Voltage: The device operates with a very low dropout voltage, enhancing its performance in scenarios where the supply voltage is close to the output voltage.
• Wide Operating Current Range: The LM4128 operates over a wide current range from 60µA to 15mA, providing flexibility in various design configurations.
• Stable with Capacitive Loads: It is designed to be stable without an output capacitor or with capacitive loads up to 10µF, simplifying design requirements.

Applications

The LM4128DQ1MFX3.3/NOPB is suitable for a broad spectrum of applications, including:

• Portable, battery-powered equipment
• Data acquisition systems
• Medical instruments
• Automotive electronics
• Industrial control systems
• Precision instrumentation

Package and Quality

This voltage reference comes in a compact SOT-23 package, which is ideal for space-constrained applications. The NOPB designation indicates that the product is lead-free and RoHS compliant, aligning with environmental standards and regulations. Texas Instruments' commitment to quality ensures that the LM4128DQ1MFX3.3/NOPB provides reliable and consistent performance for critical applications.