ADM13307-33ARZ-RL7

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PMIC - Supervisors are integrated circuits which manage power supply and power-on reset functions for microprocessor-based applications. The ADM13307-33ARZ-RL7 is a Non-Maskable Interrupt (NMI) reset supervisor designed to provide long-term and short-term supply and power-on reset functions for a wide range of automated systems and processors. This supervisor contains an internal voltage monitor which senses and compares the minimum voltage threshold with the selected power supply. It also contains built-in delay circuits and reset outputs in a single device.

The application field of ADM13307-33ARZ-RL7 includes industrial automation, process control, building automation, and automotive applications. This supervisor is used in applications where the system is subject to significant electrical noise, voltage fluctuations, and false reset indications. It can also be used to monitor the power supply of several different microprocessors in a system.

The working principle of this supervisor is based on the voltage/time characteristics of its two delay circuits. The first circuit is a one-shot circuit that delays the reset signal for an adjustable time. The second circuit is a voltage-controlled delay circuit that delays the reset signal for an adjustable time once the minimum input voltage is reached. The supervisor also contains an NMI output pin that can be used to connect an external interrupt input.

The supervisor begins monitoring the voltage at its input once a system comes up from a power-on state or after an external reset pulse. It then sends a reset signal to the processors or microcontrollers once the input voltage falls below a certain level. This reset signal is sent through the combined effects of the one-shot and voltage controlled delay circuits. The supervisor also generates an NMI pulse once the reset signal is sent. This pulse helps the microprocessors in the system to execute a specific set of instructions when this reset occurs.

The ADM13307-33ARZ-RL7 has a built-in power-on reset supervisor which automatically resets the system after a power interruption. This feature can be disabled or set to a higher voltage by connecting a capacitor to the SR pin of the device. The duration of reset signal is adjustable with the help of an external capacitor connected to the CDA pin.

This high-precision supervisor is designed to work in various environmental conditions. It has an extended temperature range and is rated for operation up to +85°C. It also has a very low quiescent current, making it suitable for applications with low power supplies. The device is RoHS compliant and comes in a 8-pin surface mount package.

The ADM13307-33ARZ-RL7 is a high-precision supervisor that can provide reliable protection against power supply and power-on reset failures. It is designed to work in various environmental conditions and has the capacity to monitor multiple power supplies in a single system. This supervisor can detect a minimum voltage threshold with the help of its internal voltage monitor and delays the reset signal with the help of its one-shot and voltage-controlled delay circuits. This supervisor is used in applications such as industrial automation, process control, building automation, and automotive applications.

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