ADE7752ARZ

Overview

The ADE7752ARZ is a polyphase energy metering integrated circuit manufactured by Analog Devices Inc. It supports 50 Hz and 60 Hz systems with IEC62053-2x compliance, achieving less than 0.1% error over a dynamic range of 500 to 1. The device accommodates 3-phase/3-wire delta and 3-phase/4-wire Wye configurations. It features on-chip power supply monitoring, creep protection, and a 2.4 V reference. Operating on a single 5 V supply, it consumes 60 mW typical power. The component utilizes proprietary ADCs and DSP for high accuracy.

Feature Summary

• Integrates proprietary analog-to-digital converters and digital signal processing to ensure high accuracy across environmental variations.
• Provides average real power information via frequency outputs F1 and F2 for direct drive of electromechanical counters or microcontrollers.
• Includes logic output REVP to indicate potential miswiring or negative power conditions for each phase.
• Features on-chip creep protection with no-load threshold detection and power supply monitoring capabilities.

Applications

• Calibration of polyphase energy meters
• Direct drive of electromechanical counters
• Interface with microcontrollers for power measurement
• Two-phase stepper motor control

Procurement Notes

Verify the specific suffix 'ARZ' against the manufacturer's current datasheet to confirm package type and RoHS compliance status. Ensure the application environment remains within the specified operating temperature range and voltage limits. Cross-reference the part number with official distributor catalogs to confirm availability and authenticity before procurement.

Selection Notes

Select this component for applications requiring high-accuracy polyphase energy metering compliant with IEC standards. It is suitable for systems needing direct interface with electromechanical counters or MCU-based solutions. Consider the 60 mW typical power consumption and single 5 V supply requirement during system design. Verify compatibility with 3-phase/3-wire delta and 3-phase/4-wire Wye configurations.

Part Context

The ADE7752ARZ belongs to the ADE7752 series of energy metering ICs from Analog Devices. It is designed for low-cost CMOS process implementation while surpassing standard accuracy requirements. The device integrates all necessary analog circuitry within the ADCs and reference circuits, performing signal processing digitally for superior stability.

FAQ

What types of three-phase configurations does the ADE7752 support?

The ADE7752 is compatible with both 3-phase/3-wire delta and 3-phase/4-wire Wye configurations.

How does the ADE7752 handle power supply monitoring?

The device includes on-chip power supply monitoring functionality as part of its integrated feature set.