ADM695AN

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ADM695AN is a comprehensive, field-programmable voltage supervisor manufactured by Analog Devices. It is part of their Power Management and Interface (PMI) product line and is suitable for many general purpose voltage monitoring applications. This supervisor provides monitoring of 3.2V to 15V DC supply voltages and includes adjustable over- and undervoltage trip points as well as an active-high or active-low output that triggers when trip points are exceeded. It also has an internal pull-up or pull-down resistor for use with an optional external device.

The ADM695AN is typically used in applications where system reset or re-configuration is required when a monitored DC supply voltage falls outside of predefined parameters. For example, various power systems, such as emergency vehicle lights and siren systems, require circuit protection to prevent damage due to power system instability. Additionally, high-energy pulse systems, such as electron beam welding and laser systems, require voltage monitoring to ensure optimal performance. The ADM695AN is a perfect device for these types of applications.

The ADM695AN works by monitoring the voltage of an external DC supply voltage, with an adjustable trip point range of 3.2V to 15V. When the voltage dips below or rises above the configured trip point, an output pin is enabled or disabled as desired. The device also includes an internal pull-up or pull-down resistor, which can be used to connect an external device when the trip point is exceeded. This makes the unit ideal for critical applications that require an external reset or configuration when a voltage threshold is exceeded.When the DC supply voltage drops below the configured trip point, the output pin is enabled and the optional external device is activated. Similarly, when the DC supply voltage rises above the configured trip point, the output pin is disabled and the external device is deactivated. This, in turn, activates a power management system and/or reset, which can provide the necessary protection to the system or re-configure the system accordingly. The device also includes an active-low or active-high output, depending on the user’s configuration. This can be used to indicate when the monitored DC supply voltage has gone beyond the trip point value and is useful for systems where fault-tolerance is crucial. The ADM695AN is a versatile, low-cost device that is suitable for various voltage monitoring applications. It is small in size, easy to set up and configure, and can be used in applications where voltage monitoring and system reset are required. In addition, its internal pull-up or pull-down resistor can be used to connect an external device, such as a buzzer, when the trip point is exceeded, alerting the user to the voltage condition. Additionally, it can be programmed to output a low or high logic level, depending on the user’s configuration, making it suitable for critical applications where system protection and fault-tolerance are essential. Overall, the ADM695AN is an ideal solution for voltage monitoring applications that require DC supply voltage monitoring with an adjustable trip point and an output pin to indicate when the trip point is exceeded. Further, its small package size and integrated pull-up or pull-down resistor make it the perfect device for general purpose applications.

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