The LM4128DQ1MF4.1/NOPB is a precision micropower series voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage for high-performance analog circuits. It is a member of the LM4128 series of devices, which are known for their low dynamic impedance and good temperature coefficients, making them an ideal choice for precision applications.

Key Features

• Reference Voltage: The device provides a fixed 4.1V output voltage, which is suitable for various analog circuits requiring a stable reference.
• High Accuracy: It boasts an impressive initial accuracy of ±0.1% (max) and a temperature coefficient of 75 ppm/°C (max) for the A grade version, ensuring reliable performance over a wide temperature range.
• Low Power Consumption: With a quiescent current of typically 30 µA, which decreases under low load conditions, it is optimized for battery-powered and energy-efficient applications.
• Stability: The LM4128DQ1MF4.1/NOPB is stable with capacitive loads up to 10 µF and does not require an external capacitor for stability, simplifying design and reducing component count.
• Package: It comes in a small 5-Pin SOT-23 package, which is ideal for space-constrained applications.

Applications

The precision and low power consumption of the LM4128DQ1MF4.1/NOPB make it an excellent choice for a wide range of applications, including:

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

Quality and Reliability

The "NOPB" suffix in the product code indicates that the device is lead-free and RoHS compliant, adhering to environmental standards. Texas Instruments is known for its commitment to quality, and this product is no exception, with rigorous testing to ensure performance and reliability.