LM4128BQ1MF3.3/NOPB

The LM4128BQ1MF3.3/NOPB is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable reference voltage for various applications, including analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement systems.

Key Features:

1. Output Voltage: The LM4128BQ1MF3.3 provides a fixed output voltage of 3.3V, making it suitable for applications that require a stable reference at this voltage level.

2. Precision: This voltage reference boasts a high degree of accuracy, typically with a maximum initial accuracy of ±0.5%. This precision is crucial for applications where small variations in voltage can lead to significant errors in measurement or control.

3. Low Temperature Coefficient: The device features a low temperature coefficient, which ensures that the output voltage remains stable across a wide temperature range. This characteristic is essential for applications in environments with varying temperatures.

4. Low Noise: The LM4128BQ1MF3.3/NOPB is designed to minimize output noise, which is vital for high-precision applications where noise can affect the performance of sensitive circuits.

5. Power Supply Rejection Ratio (PSRR): The IC exhibits excellent PSRR, allowing it to maintain a stable output voltage even in the presence of fluctuations in the input supply voltage.

6. Wide Operating Range: The device can operate over a broad range of input voltages, making it versatile for different circuit designs.

7. Compact Package: The LM4128BQ1MF3.3/NOPB is available in a small form factor package, which is ideal for space-constrained applications. The package type is typically a SOT-23, which allows for easy integration into various PCB layouts.

8. Low Quiescent Current: The IC consumes minimal power during operation, making it suitable for battery-powered and energy-efficient designs.

9. Applications: Common applications include precision voltage references for ADCs and DACs, instrumentation, data acquisition systems, and any circuit requiring a stable reference voltage.

Electrical Characteristics:

• Output Voltage: 3.3V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: Low, typically around 20 ppm/°C
• Quiescent Current: Low, typically in the microamp range
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The LM4128BQ1MF3.3/NOPB from Texas Instruments is a highly reliable and precise voltage reference suitable for a wide range of applications. Its combination of accuracy, low noise, and compact packaging makes it an excellent choice for engineers looking to enhance the performance of their electronic designs.