ADM1818-20AKS-REEL

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Introduction

ADM1818-20AKS-REEL is a MicroMonitor device, a supervisor product from Analog Devices Inc. It is a universal supervisor that can supervise many system functions, including power supplies, processors, and other microcontrollers. This device is designed to protect sensitive electronic components from overvoltage, undervoltage, brownout, reverse polarity, and EMI/RFI events.

Application Field

ADM1818-20AKS-REEL is suitable for use in automotive systems, industrial systems, networking and process control applications, and consumer electronics applications. This device is especially applicable where power supply reliability is crucial, as it can detect very small fluctuations in voltage and take necessary protective action before any damage can be done to equipment. Also, it is suitable for applications that require system-level monitoring, such as voltage or temperature protection, or data confirmation. Its small size makes it useful in applications where space is limited. Furthermore, this device is suitable for applications with limited space as it only requires two external resistors.

Working Principle

ADM1818-20AKS-REEL works on the principle of monitoring the power supply conditions to detect the undesirable events. The device is triggered whenever the voltage level falls out of the specified range. When the voltage level crosses a particular threshold (trip point), it activates the output signal, thus initiating corrective actions. The output can be configured as an active-low signal or as an open-drain output, for compatibility with various control systems.

This device\'s monitoring circuit is also able to detect a reverse polarity, enabling it to quickly react to dangerous conditions. The EMI/RFI detection and protection feature makes it suitable for use in industrial and automotive applications, where frequencies can range from medium to low.

ADM1818-20AKS-REEL has a self-testing feature which allows system designers to verify the functionality of the device without having to manually test the entire system. This device can also monitor the power supply conditions to confirm the presence of data in a system, making it suitable for use in applications that require accurate data.

Conclusion

ADM1818-20AKS-REEL is a micromonitor device from Analog Devices Inc. It is a universal supervisor that can protect sensitive electronic components from a variety of events, such as overvoltage, undervoltage, brownout, reverse polarity, and EMI/RFI events. This device is suitable for use in automotive systems, industrial systems, networking and process control applications, and consumer electronics applications. It has a self-testing feature which allows system designers to verify the device\'s functionality and it also has an EMI/RFI detection and protection feature. The small size of this device makes it especially useful in applications where space is limited.

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