AD8436ARQZ-RL

Overview

The AD8436ARQZ-RL is a low-power true RMS-to-DC converter manufactured by Analog Devices Inc. It operates within an input voltage range of 4.8 V to 36 V and delivers a maximum output current of 15 mA. The device functions with a typical operating supply current of 300 uA at 18 V. It supports an output voltage range from -5 V to 5 V and withstands temperatures between -40 C and +125 C. This component is packaged in a QSOP-20 format and belongs to the AD8436 series under specialized power management ICs.

Feature Summary

• Converts AC signals to DC voltage using true RMS methodology
• Operates with low power consumption suitable for battery applications
• Provides high precision conversion with minimal output offset

Applications

• Industrial process control signal conditioning
• Power monitoring systems requiring accurate RMS measurement
• Audio level metering circuits

Procurement Notes

Verify the specific suffix RL indicates reel packaging when sourcing. Confirm the AR designation matches the required temperature grade for your application environment. Cross-reference the datasheet revision to ensure compatibility with existing design specifications. Validate that the QSOP-20 package dimensions fit your PCB layout constraints before finalizing procurement orders.

Selection Notes

Choose this component when precise RMS conversion is required alongside low quiescent current operation. Ensure the input signal amplitude falls within the specified dynamic range for optimal accuracy. Consider the thermal performance characteristics if operating near the upper temperature limits. Verify that the single-supply capability aligns with your system power architecture requirements.

Part Context

This part belongs to the AD8436 family of true RMS converters designed for high-accuracy signal processing. It serves as a specialized PMIC solution for converting complex AC waveforms into linear DC representations. The device integrates internal circuitry to minimize external component count while maintaining high linearity across wide input ranges.

Replacement Considerations

AD8436BRQZ-RL offers similar functionality with potential variations in electrical specifications or packaging configuration.