AD8436BRQZ

Overview

The AD8436BRQZ 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 supports a supply voltage of 2.4 V to 18 V. The device delivers a maximum output current of 15 mA with a maximum output voltage of 5 V. It functions reliably across a temperature range of -40°C to +125°C, consuming only 300 µA of operating supply current. The component is housed in a QSOP-20 package and has a power dissipation rating of 1.1 W.

Feature Summary

• Performs True Root Mean Square to Direct Current conversion for accurate signal measurement
• Designed for low power consumption suitable for battery-operated applications
• Capable of handling high common-mode voltages up to 36 V

Applications

• Industrial process control systems requiring precise AC signal monitoring
• Power metering equipment for energy management
• Audio level measurement circuits

Procurement Notes

Verify availability status carefully as the component may be subject to limited supply or factory special order constraints. Confirm the specific suffix BRQZ matches the required temperature grade and package variant. Ensure compatibility with the QSOP-20 footprint during PCB layout review. Check for any recent Product Change Notifications that might affect pinout or electrical characteristics before finalizing procurement plans.

Selection Notes

Select this component when accurate RMS measurement of AC signals is required without complex digital processing. It is suitable for designs needing high input voltage tolerance relative to the supply rail. Consider the 300 µA quiescent current for strict power budget constraints. Verify that the QSOP-20 package size fits the available board space compared to other PMIC converter options.

Part Context

This part belongs to the AD8436 series of specialized power management ICs from Analog Devices. It falls under the converters subcategory within professional PMIC solutions. The device integrates analog computation capabilities directly into a compact surface-mount package, distinguishing it from general-purpose operational amplifiers or standard rectifier circuits.

Replacement Considerations

Consult official Analog Devices documentation for verified substitute part numbers. Cross-reference specifications such as input voltage range, output current capability, and package type to ensure functional equivalence.