ADM809-5SAKSZ-RL7

Supervisors Overview

The ADM809-5SAKSZ-RL7 is a microprocessor supervisory circuit manufactured by Analog Devices Inc. This component provides precise voltage monitoring and reset signal generation for digital systems. It operates within a supply voltage range of 1.2V to 5.5V, ensuring compatibility with various logic families. The device features a fixed output threshold voltage of 4.63V, guaranteeing reliable detection of under-voltage conditions. It includes an open-drain or push-pull reset output configurable via external components. The package is a compact 5-pin SOT-23, suitable for space-constrained designs. Key electrical characteristics include low quiescent current consumption and high accuracy in threshold detection.

Supervisors Feature Summary

• Provides reliable voltage supervision for microprocessors and memory devices
• Features configurable reset output timing and polarity options
• Ensures system stability through precise under-voltage detection

Supervisors Applications

• Microprocessor power supply monitoring
• Battery-powered equipment protection
• Embedded system reset generation

Supervisors Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm pinout and electrical specifications. Ensure compatibility with your system's voltage requirements before procurement. Check for any specific handling instructions related to electrostatic discharge during installation.

Supervisors Selection Notes

Select this component when a fixed 4.63V threshold is required for system reset. Consider the SOT-23 package size for PCB layout constraints. Evaluate the quiescent current impact on battery life if used in portable applications. Confirm the reset output configuration matches your controller's input requirements.

Supervisors Part Context

The ADM809 series belongs to Analog Devices' family of supervisory circuits designed for robust system management. These parts are widely used in industrial and consumer electronics to prevent erratic behavior due to power fluctuations. The specific model offers a balance of precision and simplicity for standard voltage rails.

Supervisors Replacement Considerations

Check for direct pin-to-pin replacements such as other ADM809 variants with different thresholds. Verify that alternative components meet the same voltage range and accuracy specifications. Ensure the replacement supports the required reset output type.