LM185H-2.5/NOPB

The LM185H-2.5/NOPB is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable reference voltage of 2.5 volts, making it suitable for a variety of applications, including analog-to-digital converters, digital-to-analog converters, and other precision measurement systems.

Key Features:

1. Voltage Reference: The LM185H-2.5/NOPB provides a fixed output voltage of 2.5V with a high degree of accuracy and stability over temperature and time.

2. Temperature Coefficient: The device boasts a low temperature coefficient, typically around 20 ppm/°C, ensuring minimal drift in output voltage with changes in temperature.

3. Output Impedance: The output impedance is low, which helps maintain a stable output voltage even under varying load conditions.

4. Wide Operating Range: The LM185H-2.5/NOPB operates over a wide supply voltage range, typically from 3V to 40V, allowing for flexibility in various circuit designs.

5. Low Noise: The IC features low noise characteristics, which is crucial for precision applications where signal integrity is paramount.

6. Package Type: The LM185H-2.5/NOPB is available in a TO-220 package, which provides good thermal performance and is suitable for applications requiring heat dissipation.

7. Pin Configuration: The device typically has three pins: the input pin (Vin), the output pin (Vout), and the ground pin (GND). The pin configuration allows for easy integration into existing circuits.

8. No External Components Required: The LM185H-2.5/NOPB is designed to operate without the need for external components, simplifying the design process and reducing the overall footprint of the circuit.

9. Applications: Common applications include precision voltage references in instrumentation, data acquisition systems, and as a reference for operational amplifiers.

10. RoHS Compliant: The device is compliant with RoHS standards, making it suitable for environmentally conscious designs.

Performance Specifications:

• Output Voltage: 2.5V
• Initial Accuracy: Typically ±0.5%
• Load Regulation: Typically 0.1 mV/mA
• Line Regulation: Typically 0.1 mV/V
• Supply Current: Low supply current, typically around 1 mA

Conclusion:

The LM185H-2.5/NOPB from Texas Instruments is a reliable and precise voltage reference solution ideal for applications requiring stable and accurate voltage levels. Its low noise, minimal drift, and ease of integration make it a popular choice among engineers and designers in the field of electronics.