ADM709SARZ

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ADM709SARZ

The ADM709SARZ is a feature-rich, highly integrated supervisory circuit device designed for applications requiring reliable power-on control. This device is considered an integral component of a power supply system by monitoring and controlling the supply voltage. It has the capabilities of shutting down the power supply when emergencies occur and it is also able to respond quickly to changes in the power supply environment. The ADM709SARZ is specifically designed for use in mobile devices and embedded systems and provides reliable protection for the microprocessor, its I/O devices, and other system components.

Features and Benefits

The ADM709SARZ offers some of the following advantageous features:

• High voltage input monitor function
• Voltage drop alert and power-down indication
• Watchdog timer reset/interrupt features
• Low standby current drain
• Programmable reset/interrupt target voltage
• No external microcontroller needed
• High temperature range operation

The ADM709SARZ offers a variety of benefits to ensure reliable operation in a wide range of applications. It offers a low standby current drain and its power supply monitoring functions provide reliable protection from power failure or brownouts. Additionally, its voltage drop alert feature ensures proper functioning of the system in the event of a voltage drop. The ADM709SARZ also provides a watchdog timer reset and can optionally be connected to a microcontroller for system status monitoring. Finally, it has the capability of responding quickly to changes in the supply voltage environment.

Application Areas

The ADM709SARZ is typically used for mobile device systems, such as cell phones and other portable devices, as well as for embedded systems. It provides consistent power and reset monitoring at a wide range of supply voltage levels. The ADM709SARZ can be used in applications such as:

• Power supply monitoring and control
• System reliability in automotive and industrial applications
• Cellular air interface units
• Battery charging and management
• Industrial and medical monitoring systems
• Computer peripherals and embedded controllers

Working Principle

The ADM709SARZ is based on the principle of measuring the supply voltage, monitoring the supply environment, and then initiating the appropriate action when a predefined voltage level is achieved. It supports multiple high voltage monitoring channels, and can monitor a wide range of supply voltages ranging from 2.0 V to 5.0 V. Additionally, the ADM709SARZ has two independent outputs that can be configured to generate either a reset pulse or an interrupt signal depending on the external environment.

The ADM709SARZ contains a watchdog timer which can be used to generate a reset or interrupt signal after the set time interval has elapsed. It also includes reset monitoring, which provides accurate monitoring of the reset condition. Additionally, the ADM709SARZ provides Programmable Reset/Interrupt Target Voltage to ensure reliable operation.

Conclusion

The ADM709SARZ is an important component of many applications for reliable power supply monitoring and control. It is capable of quickly responding to changes in the supply voltage environment and is equipped with several features to monitor and protect the system. It is primarily used in mobile devices and embedded systems and is capable of monitoring a wide range of supply voltages. With its low standby current drain and flexible reset and interrupt features, the ADM709SARZ is an excellent choice to ensure consistent, reliable protection.

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