ADM825LYRJZ-R7 PMIC - Supervisors by Analog Devices Inc./Maxim Integrated

The ADM825LYRJZ-R7 is a precision voltage supervisor and reset IC manufactured by Analog Devices Inc. (formerly Maxim Integrated). This device is designed to monitor power supply voltages and provide a reset signal to microcontrollers and other digital devices when the supply voltage falls below a specified threshold.

Key Features:

1. Voltage Monitoring: The ADM825LYRJZ-R7 monitors a supply voltage and ensures that the voltage remains within a specified range. It is particularly useful in applications where a stable power supply is critical for the reliable operation of digital circuits.

2. Reset Output: The device features an active-low reset output that is asserted when the monitored voltage drops below the preset threshold. This output remains active until the voltage returns to a safe level, ensuring that the connected microcontroller or digital device does not operate under unsafe conditions.

3. Adjustable Threshold: The reset threshold voltage can be adjusted to suit specific application requirements. This flexibility allows designers to tailor the device to their particular needs, accommodating various supply voltages.

4. Low Power Consumption: The ADM825LYRJZ-R7 is designed for low power operation, making it suitable for battery-powered applications. Its low quiescent current helps extend battery life in portable devices.

5. Temperature Range: The device operates over a wide temperature range, making it suitable for use in various environments, from industrial applications to consumer electronics.

6. Compact Package: The ADM825LYRJZ-R7 is available in a small, surface-mount package, which is ideal for space-constrained designs. This compact form factor allows for easy integration into printed circuit boards (PCBs).

7. Applications: Common applications for the ADM825LYRJZ-R7 include microcontroller reset circuits, power supply monitoring, automotive electronics, and any system where voltage supervision is critical for reliable operation.

Electrical Characteristics:

• Supply Voltage Range: The device typically operates within a specified voltage range, ensuring compatibility with various power supply configurations.
• Reset Threshold Voltage: The specific voltage level at which the reset output is triggered can be set according to the needs of the application.
• Output Drive Capability: The reset output can drive a certain amount of current, allowing it to interface directly with other components in the system.

Conclusion:

The ADM825LYRJZ-R7 from Analog Devices Inc. is a versatile and reliable voltage supervisor and reset IC that provides essential monitoring and control functions for digital systems. Its adjustable threshold, low power consumption, and compact design make it an excellent choice for a wide range of applications, ensuring that electronic devices operate safely and effectively under varying power conditions.