ADE7761BARSZ-RL

Overview

The ADE7761BARSZ-RL is a high-accuracy, fault-tolerant electrical energy measurement integrated circuit designed for two-wire distribution systems. It supports IEC 62053-21 standards with less than 0.1% error over a dynamic range of 500 to 1. The device features on-chip fault and missing neutral detection, utilizing proprietary ADCs and DSP for signal processing. It operates on a single 5 V supply within an ambient temperature range of -40°C to +85°C. The component is housed in a 20-pin SSOP package and is supplied in reel format.

Feature Summary

• High accuracy active energy measurement supporting IEC 62053-21 standards
• On-chip fault and missing neutral detection for two-wire distribution systems
• Continuous monitoring of phase and neutral current inputs
• Direct drive capability for electromechanical counters and stepper motors

Applications

• Two-wire residential and commercial energy metering
• Prepaid energy metering systems
• Fault detection in distribution networks

Procurement Notes

Verify the specific suffix 'RL' against the manufacturer's official documentation to confirm packaging configuration. Check current availability status as this part may be subject to limited supply or special order requirements. Ensure compatibility with the required SSOP-20 footprint and validate that the operating temperature range meets the target application environment before finalizing procurement.

Selection Notes

Select this component for applications requiring precise energy measurement in two-wire systems with integrated fault detection capabilities. The device is suitable where compliance with IEC 62053-21 accuracy classes is mandatory. Consider the single 5 V supply requirement and the digital signal processing architecture when designing the system interface. Verify that the SSOP-20 package dimensions fit the available PCB space constraints.

Part Context

The ADE7761B series represents Analog Devices' specialized energy metering solutions. This specific variant integrates analog-to-digital conversion and digital signal processing on a single chip. It is part of a family designed to simplify the design of accurate and reliable energy meters by handling complex calculations internally.

Replacement Considerations

Consult official Analog Devices documentation for confirmed substitute part numbers. Verify pinout and functional compatibility before considering any alternative components.