LM94021BIMGX/NOPB

The LM94021BIMGX/NOPB is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. This device 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. Voltage Reference: The LM94021BIMGX/NOPB offers a fixed output voltage of 2.5V, which is highly stable and accurate, making it suitable for precision applications.

2. Temperature Coefficient: The device boasts a low temperature coefficient, typically around 10 ppm/°C, ensuring that the output voltage remains stable across a wide temperature range, which is crucial for applications requiring high precision.

3. Low Noise: The IC is designed to minimize output noise, which is essential for high-resolution applications where noise can significantly affect performance.

4. Power Supply Rejection Ratio (PSRR): The LM94021BIMGX/NOPB features excellent PSRR, allowing it to maintain a stable output voltage even with variations in the input supply voltage.

5. Output Impedance: The output impedance is low, which helps in maintaining the output voltage under varying load conditions.

6. Package Type: This IC is available in a compact 8-pin VSSOP (Very Thin Shrink Small Outline Package), making it suitable for space-constrained applications.

7. Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

8. Applications: The LM94021BIMGX/NOPB is ideal for use in precision measurement systems, data acquisition systems, instrumentation, and any application requiring a stable reference voltage.

Electrical Characteristics:

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5% (max)
• Line Regulation: Typically 0.1 mV/V
• Load Regulation: Typically 0.5 mV/mA
• Supply Current: Low supply current, typically in the microamp range, which contributes to overall system efficiency.

Conclusion:

The LM94021BIMGX/NOPB from Texas Instruments is a highly reliable and precise voltage reference IC that is well-suited for a variety of applications requiring stable voltage references. Its low noise, excellent temperature stability, and compact package make it a preferred choice for engineers designing high-performance electronic systems.