REF195GSZ-REEL PMIC - Voltage Reference by Analog Devices Inc./Maxim Integrated

The REF195GSZ-REEL is a precision voltage reference device manufactured by Analog Devices Inc., previously known as Maxim Integrated. This component is designed to provide a stable and accurate reference voltage, making it ideal for a variety of applications in analog and digital circuits, including data acquisition systems, instrumentation, and precision measurement devices.

Key Features:

1. Output Voltage: The REF195GSZ-REEL typically provides a fixed output voltage of 1.225V, which is highly stable and accurate. This voltage reference is designed to maintain its output across a wide range of temperatures and supply voltages.

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 requiring high precision over varying environmental conditions.

3. Low Noise: The REF195GSZ-REEL features low output noise, which is essential for sensitive applications where noise can significantly affect performance. This low noise level contributes to the overall accuracy and reliability of the voltage reference.

4. Power Supply Rejection Ratio (PSRR): The device exhibits excellent PSRR, allowing it to maintain a stable output voltage even in the presence of fluctuations in the supply voltage. This feature enhances the robustness of the reference voltage in real-world applications.

5. Output Impedance: The output impedance of the REF195GSZ-REEL is low, which helps in maintaining a stable output voltage under varying load conditions. This characteristic is particularly beneficial in applications where the load may change dynamically.

6. Package Type: The REF195GSZ-REEL is housed in a compact 8-lead SOIC (Small Outline Integrated Circuit) package, making it suitable for space-constrained designs. The small footprint allows for easy integration into various circuit layouts.

7. Operating Temperature Range: The device is designed to operate over a wide temperature range, typically from -40°C to +125°C, making it suitable for both commercial and industrial applications.

8. Applications: Common applications for the REF195GSZ-REEL include precision analog-to-digital converters (ADCs), digital-to-analog converters (DACs), sensor signal conditioning, and other circuits requiring a stable reference voltage.

Electrical Characteristics:

• Supply Voltage: The device operates with a supply voltage typically ranging from 2.5V to 15V.
• Output Current: It can source or sink a moderate amount of current, typically up to 10 mA, which is sufficient for many applications.
• Start-Up Time: The REF195GSZ-REEL has a fast start-up time, allowing it to quickly stabilize after power is applied.

Conclusion:

The REF195GSZ-REEL from Analog Devices Inc. is a highly reliable and precise voltage reference solution, ideal for applications demanding accuracy and stability. Its low noise, excellent temperature stability, and compact packaging make it a preferred choice for engineers and designers looking to enhance the performance of their electronic systems.