The REF191ESZ is a precision voltage reference from Analog Devices Inc., renowned for its high accuracy and low power consumption. This component is an essential building block in many electronic systems, providing a stable reference voltage that is critical for analog-to-digital conversion, power supply monitoring, and other precision measurement applications.

Key Features

• Output Voltage: The REF191ESZ offers a fixed output voltage of 2.5V, which is ideal for many standard applications requiring a precise reference.
• Low Dropout Voltage: With a low dropout voltage, this device can operate effectively even when the supply voltage is very close to the output voltage, enhancing its versatility in low-voltage operations.
• High Accuracy: The REF191ESZ features an initial accuracy of ±0.15% (max) and a temperature coefficient of 25 ppm/°C (max), ensuring reliable performance over a wide temperature range.
• Low Power: It is designed for power-sensitive applications, with a low quiescent current of 45 μA (max) and a shutdown mode that reduces current consumption to 15 μA (max).
• Package: The device comes in a small, 8-lead SOIC package, making it suitable for space-constrained applications.

Applications

The REF191ESZ is versatile and can be used in various applications, including:

• Battery-powered equipment
• Data acquisition systems
• Portable medical devices
• Industrial control systems
• Precision instrumentation

Reliability and Support

Analog Devices Inc. is known for its commitment to quality and reliability, and the REF191ESZ is no exception. Customers can expect robust performance and consistent operation from this precision voltage reference. Additionally, Analog Devices provides extensive technical support and documentation, ensuring that designers can implement the REF191ESZ with confidence in their applications.

Whether you're designing a sophisticated medical device or a rugged industrial control system, the REF191ESZ from Analog Devices Inc. offers the performance and reliability you need in a precision voltage reference.