AD8436BCPZ-WP

Overview

The AD8436BCPZ-WP is a low-cost, true RMS-to-DC converter manufactured by Analog Devices. It operates on a single supply voltage ranging from 4.8 V to 36 V or dual supplies of ±2.4 V to ±18 V. The device features a 4 mm × 4 mm LFCSP-20 package and draws a typical operating current of 325 µA. It provides a maximum output current of 15 mA with an output voltage range of -5 V to 5 V. The component supports input voltages up to 36 V and functions within a temperature range of 0°C to +70°C.

Feature Summary

• Provides true RMS conversion for AC waveforms including complex switching modes
• Features high impedance FET inputs with internal bias current elimination
• Includes precision DC output buffering for low offset voltage performance
• Operates with wide dynamic input range without external adjustment

Applications

• Portable multimeter designs
• Battery-powered measurement instruments
• Power monitoring systems
• True RMS metering applications

Procurement Notes

Verify the specific suffix WP indicates waffle pack packaging upon order confirmation. Confirm the B grade designation matches required accuracy specifications. Check current availability status as distribution may be restricted in certain regions. Ensure the LFCSP-20 package footprint aligns with PCB layout requirements before finalizing procurement.

Selection Notes

Select this component when precise RMS calculation is required for complex waveforms without digital processing overhead. Consider the low power consumption suitable for battery-operated devices. Verify that the single-supply operation fits the system voltage constraints. Evaluate the thermal performance within the specified operating temperature range for the intended application environment.

Part Context

This part belongs to the AD8436 series of true RMS-to-DC converters. It represents a specialized power management IC designed for accurate signal conditioning. The device integrates analog front-end processing to replace more complex digital solutions. It is distinct from standard operational amplifiers or voltage regulators due to its specific RMS conversion architecture.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.