REF02AU

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Voltage reference products are widely used in electronic designs to provide a precise reference voltage at a certain point in the circuit so that designers can be assured that the output of a device can be stabilized, common voltages being 5V, 3.3V, 2.5V and 1.8V. Such voltage references can be found in many applications such as telecommunications, industrial automation, control systems and consumer electronics. As such, there is a need for high accuracy and reliability when selecting a product within this area. The REF02AU voltage references from Texas Instruments offer just that.The REF02AU, designed and manufactured by Texas Instruments, is an ultra-precise bandgap voltage reference that ensures a stable and precise output voltage over a wide range of temperatures and operating conditions. This voltage reference can be used in a wide range of applications including power management, system, communications and analog and digital circuits where a stable and low-noise reference voltage is needed.The REF02AU voltage reference is built around a precision bandgap circuit that ensures that voltage variations due to temperature and power supply changes are minimized. The circuit employs two transistors calibrated to achieve the tightest possible tolerance level of 0.02% with reference to a reference voltage, while the 0.01µA low input offset current, making it ideal for high accuracy systems. The REF02AU also fulfills the 5ppm/°C temperature coefficient specification, making it suitable for many power management systems.The device is available in an industry-standard 8-SOIC package, with sizes ranging from 4 to 7 mm. This design enables designers to more readily integrate it into their products and also allows for fine-tuning of the reference voltage output over a wide range of operating and environmental conditions.The REF02AU voltage reference operates on a single voltage supply of 4.75V to 25V, with two options for temperature coefficient specification (±2.5ppm/°C or ±5ppm/°C). It also features a shutdown mode for low power standby, allowing for a maximum power consumption of just 2.5 mW for -40°C to +125°C operations.In summary, the REF02AU from Texas Instruments provides designers with an exceptionally accurate and reliable voltage reference solution for a wide range of applications. With its small form factor, robust temperature performance, low power consumption and extended temperature range, it is an ideal solution for power management, system, communication and analog and digital applications.

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