LM94021QBIMGX/NOPB

The LM94021QBIMGX/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 LM94021 provides a fixed output voltage of 2.5V, which is highly stable and accurate, making it suitable for precision applications.

2. Temperature Coefficient: It 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 device features low output noise, which is essential for sensitive applications where noise can affect performance.

4. Wide Supply Voltage Range: The LM94021 operates over a wide supply voltage range, typically from 2.7V to 5.5V, allowing it to be used in various power supply environments.

5. Low Quiescent Current: It has a low quiescent current, making it suitable for battery-powered applications where power efficiency is critical.

6. Small Package Size: The IC is available in a compact package, such as the SOT-23, which is ideal for space-constrained designs.

7. Robust Performance: The LM94021 is designed to withstand various environmental conditions, ensuring reliable performance in different applications.

Applications:

• Data Acquisition Systems: Used as a reference voltage for ADCs and DACs to ensure accurate conversions.
• Instrumentation: Ideal for precision measurement devices where stable reference voltages are required.
• Consumer Electronics: Can be used in devices that require stable voltage references for various functions.
• Industrial Equipment: Suitable for use in industrial applications where reliability and precision are paramount.

Electrical Characteristics:

• Output Voltage: 2.5V (nominal)
• Output Voltage Tolerance: ±1% (max)
• Temperature Range: Typically -40°C to +125°C
• Power Supply Rejection Ratio (PSRR): High PSRR ensures that variations in supply voltage do not significantly affect the output voltage.

Conclusion:

The LM94021QBIMGX/NOPB from Texas Instruments is a highly reliable and precise voltage reference IC, making it an excellent choice for applications that demand accuracy and stability. Its low noise, low power consumption, and robust performance characteristics make it suitable for a wide range of electronic designs.