ADM708ANZ

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Integrated circuits (ICs) have become an integral part of modern electronics. Power management integrated circuits (PMICs) play a crucial role in controlling and managing the power supply of different electronic systems. A PMIC, also known as a supervisor or power supervisor, is an IC designed to monitor and manage the power system of an electronic device. One example of a power supervisor is ADM708ANZ, an ultra-low voltage supervisor with an adjustable reset threshold.

The ADM708ANZ is a low-power supervisor designed for microcontroller-based systems. It features a push-pull reset output with low power dissipation and fast reset response time. The reset threshold of the device is adjustable through an external voltage divider. It is designed to monitor the supply voltage in microcontroller-based systems to ensure that the system is running within safe and acceptable voltage levels.

The ADM708ANZ is ideal for applications such as microprocessor and microcontroller systems, battery-powered systems, and digital consumer products. It is a tiny 10-pin DFN package measuring only 2 mm x 1.6 mm that is well-suited for applications requiring a small number of components and minimal space. The device is able to operate over a wide temperature range of -40°C to +85°C.

The ADM708ANZ is a sophisticated power supervisor with a variety of features including a push-pull reset output, adjustable reset threshold voltage, manual reset, and power-on reset. It is designed with advanced spatial power and thermal management in mind, allowing for increased efficiency of power management and cooling. In addition, it features enhanced fault protection, allowing it to miniaturize and improve safety levels in electronic designs.

The reset output of the ADM708ANZ is controlled by an internal voltage comparator. When the supply voltage falls below the set reset threshold, the reset output is triggered, causing the output signal to revert to a high state. This high state then provides an indication to the microcontroller that the supply voltage has fallen to an unacceptable level and an appropriate action must be taken.

The reset threshold of the device is determined by the external voltage divider placed between the REFIN and REFOUT pins. The voltage divider is used to convert the supply voltage to a reference voltage for the comparator, determining the reset threshold of the device. As a result, the reset threshold can be programmed to any value between 0.7V and 6.0V.

The manual reset input of the ADM708ANZ allows the device to be reset by a manual override. This feature can be used to reset the system in the event of a fault or malfunction, or as part of a system self-test procedure. The manual reset input is a 3-state pin, allowing it to be used with CMOS, TTL, or push-button inputs.

The ADM708ANZ also features a power-on reset circuit. This circuit detects when power is applied to the device and ensures that the system is initialized to a known state. This prevents runaway startups and ensures that the system is initialized in a stable state.

In summary, the ADM708ANZ is an ultra-low voltage adjustable reset supervisor designed for microcontroller-based systems. It features a push-pull reset output, an adjustable reset threshold, manual reset, and power-on reset. It is the ideal choice for applications such as microprocessor and microcontroller systems, battery-powered systems, and digital consumer products.

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