Description

The ADE7751ARSZ-RL is a high-accuracy, fault-tolerant electrical energy measurement IC that is designed specifically for use with 2-wire distribution systems. It surpasses the accuracy requirements stated in the IEC1036 standard.

Specifications and features

- High Accuracy, Supports 50 Hz/60 Hz IEC 687/1036

- Less than 0.1% Error over a Dynamic Range of 500 to 1

- Supplies Average Real Power on the Frequency Outputs F1 and F2

- High-Frequency Output CF Is Intended for Calibration and Supplies Instantaneous Real Power

- Continuous Monitoring of the Phase and Neutral Current Allows Fault Detection in 2-Wire Distribution Systems

- ADE7751 Uses the Larger of the Two Currents (Phase or Neutral) to Bill, Even During a Fault Condition

- Two Logic Outputs (FAULT and REVP) Can Be Used to Indicate a Potential Miswiring or Fault Condition

- Direct Drive for Electromechanical Counters and 2-Phase Stepper Motors (F1 and F2)

- A PGA in the Current Channel Allows the Use of Small Values of Shunt and Burden Resistance

- On-Chip Power Supply Monitoring

- On-Chip Creep Protection (No Load Threshold)

- On-Chip Reference 2.5 V 8% (30 ppm/C Typical) with External Overdrive Capability

- Single 5 V Supply, Low Power (15 mW Typical)

- Low-Cost CMOS Process

Application Scenarios

The ADE7751ARSZ-RL can be used in various energy metering applications, especially in 2-wire distribution systems. Its high accuracy and fault-tolerant design make it suitable for precise measurement and monitoring of electrical energy consumption. It can also be used for detecting faults and miswiring in the distribution system.

Comparison

- High accuracy measurement

- Fault-tolerant design

- Wide dynamic range

- Supplies average real power and instantaneous real power outputs

- Continuous monitoring of phase and neutral current for fault detection

- Can be used with small values of shunt and burden resistance

- On-chip power supply monitoring and creep protection

- Low power consumption

- Cost-effective CMOS process

- None