LM4128AQ1MF2.5/NOPB

The LM4128AQ1MF2.5/NOPB is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. This device is designed to provide a stable reference voltage, making it ideal for applications requiring high accuracy and low drift over temperature variations.

Key Features:

1. Voltage Reference: The LM4128 provides a fixed output voltage of 2.5V, which is commonly used in various analog and digital circuits.

2. Precision: It boasts a high initial accuracy of ±0.5% at 25°C, ensuring that the output voltage is very close to the specified value.

3. Low Temperature Coefficient: The temperature coefficient is typically around 10 ppm/°C, which means that the output voltage remains stable across a wide temperature range, making it suitable for precision applications.

4. Low Noise: The device features low output noise, which is crucial for sensitive applications such as data acquisition systems and instrumentation.

5. Wide Operating Range: The LM4128 operates over a wide supply voltage range, typically from 2.7V to 15V, allowing it to be used in various power supply configurations.

6. Low Output Impedance: The output impedance is low, which helps maintain the reference voltage stability under varying load conditions.

7. Small Package: The LM4128AQ1MF2.5/NOPB is available in a compact SOT-23 package, making it suitable for space-constrained applications.

8. No External Components Required: The design of the LM4128 allows it to function without the need for external capacitors, simplifying the circuit design and reducing component count.

9. RoHS Compliant: The "NOPB" designation indicates that the part is free from lead and complies with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.

Applications:

• Data Acquisition Systems: Used as a reference voltage for ADCs and DACs.
• Instrumentation: Provides a stable reference for measurement devices.
• Power Management: Acts as a reference in voltage regulation circuits.
• Consumer Electronics: Utilized in various electronic devices requiring precise voltage references.

Electrical Characteristics:

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 10 ppm/°C
• Supply Voltage Range: 2.7V to 15V
• Output Noise: Low noise performance

Conclusion:

The LM4128AQ1MF2.5/NOPB from Texas Instruments is a highly reliable and precise voltage reference suitable for a wide range of applications. Its combination of accuracy, low drift, and compact packaging makes it an excellent choice for engineers looking to implement stable voltage references in their designs.