ADM809LARTZ-REEL

Supervisors Overview

The ADM809LARTZ-REEL7 is a voltage supervisory circuit manufactured by Analog Devices Inc., designed for monitoring single power supply rails. It operates within a maximum supply voltage of 5.5 V and features a fixed threshold voltage of 4.63 V with an accuracy of 1.5%. The device provides a push-pull output and includes a reset delay time of 240 ms. It functions without manual reset, watchdog timer, or battery backup switching capabilities. The component draws a typical operating supply current of 60 uA and supports overvoltage detection at a threshold of 4.7 V. It is available in SOT-23-3 packaging and operates across a temperature range from -40 C to +125 C.

Supervisors Feature Summary

• Provides voltage supervision with a fixed threshold of 4.63 V and 1.5% accuracy
• Features a push-pull output driver for direct interface with digital logic
• Includes a fixed 240 ms reset delay to ensure stable power-up sequencing
• Operates with low quiescent current of 60 uA for energy-efficient applications

Supervisors Applications

• Monitoring 5 V power rails in industrial control systems
• Supervising voltage levels in embedded microcontroller circuits
• Ensuring power integrity in automotive electronic modules

Supervisors Procurement Notes

Verify the exact suffix (e.g., REEL7) against official Analog Devices documentation to confirm packaging and tape-and-reel specifications. Confirm that the L suffix corresponds to the required 4.63 V threshold for your specific design needs. Check regional availability as distribution may be restricted in certain areas. Ensure compatibility with your PCB footprint for the SOT-23-3 package.

Supervisors Selection Notes

Select this component when a fixed 4.63 V threshold is required for single-supply monitoring. Consider the 240 ms reset delay for system timing requirements. Evaluate the 60 uA supply current against power budget constraints. Verify that the SOT-23-3 package fits your board space limitations. Ensure the operating temperature range meets your environmental conditions.

Supervisors Part Context

The ADM809 series comprises voltage supervisory circuits offering various fixed thresholds. This specific model belongs to the ADM809 family, which provides reliable power management solutions. The part is categorized under PMIC - Power Management ICs. It shares common features with other ADM809 variants, differing primarily in threshold voltage settings determined by the alphanumeric suffix.

Supervisors Replacement Considerations

Check for ADM809JARTZ-REEL7 (4 V threshold), ADM809MARTZ-REEL7 (4.38 V threshold), or ADM809ZARTZ-REEL7 (2.32 V threshold) if different voltage levels are acceptable. Verify pinout and package compatibility before substitution.