LM4040BIM3-5.0/NOPB

The LM4040BIM3-5.0/NOPB is a precision voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage for various electronic applications. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Precision Voltage Reference
• Manufacturer: Texas Instruments
• Part Number: LM4040BIM3-5.0/NOPB
• Package Type: SOT-23 (Surface Mount)
• Lead Count: 3

Key Features:

• Output Voltage: The LM4040BIM3-5.0 provides a fixed output voltage of 5.0V, making it suitable for applications requiring a stable reference voltage.
• Temperature Coefficient: It has a low temperature coefficient, typically around 10 ppm/°C, ensuring minimal drift in output voltage with temperature changes.
• Accuracy: The device offers high accuracy, with a maximum initial accuracy of ±0.5% at 25°C, which is critical for precision applications.
• Low Noise: The LM4040BIM3-5.0 features low output noise, which is essential for sensitive analog circuits.
• Wide Operating Temperature Range: It operates effectively over a temperature range of -40°C to +125°C, making it suitable for automotive and industrial applications.
• Power Supply Rejection Ratio (PSRR): The device exhibits good PSRR, ensuring that variations in the supply voltage have minimal impact on the output voltage.
• Short-Circuit Protection: The LM4040BIM3-5.0 includes built-in short-circuit protection, enhancing reliability in various applications.

Electrical Characteristics:

• Supply Voltage: The device can operate with a supply voltage up to 15V.
• Output Current: It can source or sink output currents up to 10 mA, providing flexibility in various circuit designs.
• Dynamic Impedance: The dynamic output impedance is low, which helps maintain a stable output voltage under varying load conditions.

Applications:

The LM4040BIM3-5.0 is suitable for a wide range of applications, including:

• Precision analog-to-digital converters (ADCs)
• Voltage reference for data acquisition systems
• Calibration equipment
• Power management systems
• Instrumentation and measurement devices

Packaging and Environmental Considerations:

• RoHS Compliant: The LM4040BIM3-5.0/NOPB is compliant with RoHS standards, making it environmentally friendly.
• Package Dimensions: The SOT-23 package is compact, allowing for space-saving designs in printed circuit boards (PCBs).

Conclusion:

The LM4040BIM3-5.0/NOPB from Texas Instruments is a highly reliable and precise voltage reference ideal for applications requiring stable voltage references with minimal drift and noise. Its robust features and specifications make it a preferred choice for engineers and designers in various electronic fields.