LM4040QCEM3-2.5/NOPB

The LM4040QCEM3-2.5/NOPB is a precision voltage reference device manufactured by Texas Instruments. It is designed to provide a stable and accurate reference voltage, making it suitable for a variety of applications in electronic circuits, including analog-to-digital converters, digital-to-analog converters, and other precision measurement systems.

Key Features:

1. Voltage Reference: The LM4040 provides a fixed output voltage of 2.5V, which is highly stable and accurate, ensuring reliable performance in precision applications.

2. Temperature Coefficient: The device boasts a low temperature coefficient, typically around 10 ppm/°C, which means that the output voltage remains stable over a wide temperature range, enhancing its reliability in varying environmental conditions.

3. Output Current: The LM4040 can source or sink output currents up to 10 mA, making it versatile for different circuit requirements.

4. Low Noise: The device features low noise characteristics, which is crucial for applications that require high precision and minimal interference.

5. Package Type: The LM4040QCEM3-2.5/NOPB is available in a compact SOT-23 package, which is suitable for space-constrained designs. This package type also aids in thermal management and improves overall circuit performance.

6. Power Supply Rejection Ratio (PSRR): The device exhibits a high PSRR, ensuring that variations in the supply voltage have minimal impact on the output voltage, further enhancing its stability.

7. Start-Up Time: The LM4040 has a fast start-up time, allowing it to quickly stabilize after power is applied, which is beneficial in time-sensitive applications.

8. Lead-Free: The "NOPB" designation indicates that the device is lead-free, complying with environmental regulations such as RoHS, making it suitable for environmentally conscious designs.

Applications:

• Precision Measurement Systems: Ideal for use in systems requiring accurate voltage references.
• Data Acquisition Systems: Used in ADCs and DACs to ensure precise conversion.
• Instrumentation: Suitable for various instrumentation applications where stable reference voltages are critical.
• Consumer Electronics: Can be utilized in devices that require reliable voltage references for performance optimization.

Electrical Characteristics:

• Input Voltage Range: The LM4040 operates over a wide input voltage range, typically from 2.5V to 30V.
• Output Voltage Tolerance: The output voltage tolerance is typically ±1%, ensuring that the reference voltage meets the required specifications for precision applications.

Conclusion:

The LM4040QCEM3-2.5/NOPB from Texas Instruments is a highly reliable and precise voltage reference solution, ideal for a wide range of electronic applications. Its combination of low noise, excellent temperature stability, and compact packaging makes it a preferred choice for engineers looking to enhance the performance of their designs.