LM235AH/NOPB

The LM235AH/NOPB is a precision voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and accurate 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 LM235AH/NOPB provides a nominal output voltage of 2.5V, which is highly stable over temperature and time. This makes it suitable for applications requiring precise voltage references.

2. Temperature Coefficient: The device boasts a low temperature coefficient, typically around 10 ppm/°C, ensuring minimal drift in output voltage with changes in temperature. This characteristic is crucial for applications in environments with varying temperatures.

3. Output Impedance: The LM235AH/NOPB has a low output impedance, which helps maintain a stable output voltage even under varying load conditions. This feature is essential for applications where load changes can occur frequently.

4. Wide Supply Voltage Range: The IC operates over a wide supply voltage range, typically from 4V to 40V, allowing it to be used in various circuit configurations and power supply designs.

5. Low Noise: The device is designed to minimize noise, which is critical for precision applications. The low noise performance ensures that the reference voltage remains stable and reliable.

6. Package Options: The LM235AH/NOPB is available in various package types, including TO-220 and surface-mount options, making it versatile for different PCB layouts and thermal management requirements.

7. Pin Configuration: The typical pin configuration includes pins for input voltage, output voltage, and ground, allowing for straightforward integration into existing designs.

8. Applications: Common applications for the LM235AH/NOPB include instrumentation, data acquisition systems, precision voltage regulation, and any circuit requiring a stable reference voltage.

Electrical Characteristics:

• Output Voltage: 2.5V (nominal)
• Temperature Coefficient: 10 ppm/°C (typical)
• Output Impedance: Low, ensuring stability under load
• Supply Voltage Range: 4V to 40V
• Operating Temperature Range: Typically from -40°C to +125°C

Conclusion:

The LM235AH/NOPB from Texas Instruments is a highly reliable and precise voltage reference IC, ideal for applications that demand accuracy and stability. Its low noise, wide supply voltage range, and excellent temperature characteristics make it a preferred choice for engineers designing high-performance electronic systems.