REF5045AIDR Integrated Circuits (ICs)

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A voltage reference is a device that maintains a fixed voltage level regardless of the load on or power supply to the device. The REF5045AIDR is a voltage reference circuit designed for industrial and automotive applications. It offers a temperature-compensated voltage reference that is stable even with load and temperature variations. The REF5045AIDR is based on the reference die developed by ADI, providing a rail-to-rail dropout of up to 0.25 V, making it suitable for automotive and industrial applications with low voltage rails.

The REF5045AIDR is designed for applications such as current sensing and monitoring, industrial sensors, battery monitors, motor and motor control, power monitoring and management, current mirrors, and precision references. It offers a wide range of output voltages including 0.2V to 3.6V, with a total power dissipation of 4mW. The device is housed in a 7-lead SOIC package, with a temperature range of -40°C to +125°C, and is qualified up to the AEC-Q100 standard.

The REF5045AIDR has a high ESD rating of ±4kV for human body model for contact, which makes it safer in situations when direct contact with the device occurs. ADI offers design support for the REF5045AIDR. It provides a wide range of resources, including hardware, software and tools, such as PCB designs and a datasheet with an extensive application note. The device can also be evaluated using an evaluation board.

The working principle of the REF5045AIDRis based on a series of temperature-compensated voltage references. The device uses a band-gap reference design, which offers a temperature-stable reference voltage of up to ±2.5mV/°C. The device offers low noise, fast settling time, and excellent accuracy. Its high stability makes it suitable for precision industrial applications

The REF5045AIDR is well suited to meet the demands of automotive, medical and industrial applications. It features a low dropout voltage and high operating temperature range, making it ideal for applications where precise voltage and temperature control are required. The device also features a low power supply current, making it suitable for high-efficiency power applications. Additionally, the device\'s power supply rejection ratio offers excellent accuracy and stability.

In conclusion, the REF5045AIDR is a high-performance, temperature-compensated voltage reference featuring low dropout, low power supply interruption, and high stability. It is suitable for precision industrial applications such as current sensing and monitoring, motor and motor control, power monitoring, as well as current mirrors and battery monitors. It is also qualified up to the AEC-Q100 standard, making it suitable for automotive applications.

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