Overview
The ADE7816ACPZ-RL, produced by Analog Devices Inc., is a highly accurate, multichannel metering device designed for precise energy measurement. This IC is capable of measuring one voltage channel and up to six current channels, making it suitable for a wide range of energy metering applications. It integrates seven sigma-delta (Σ-Δ) ADCs and a high accuracy energy measurement core, enabling the calculation of active and reactive energy, as well as instantaneous rms voltage and current readings.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3.3 V ± 10% | V |
| Current Consumption | 25 - 27.8 mA | mA |
| Operating Temperature | -40°C to +85°C | °C |
| Analog Input Voltage Range | -2 V to +2 V | V |
| Reference Voltage | 1.2 V (drift 10 ppm/°C typical) | V |
| Bandwidth | 2 kHz | Hz |
| Interface Options | I2C, SPI, HSDC | - |
| Package Type | LFCSP-40 (6x6) | - |
Key Features
- High accuracy energy measurement with <0.1% error in active and reactive energy over a dynamic range of 1000:1.
- Supports current transformer and Rogowski coil sensors.
- Instantaneous current and voltage readings, along with angle measurements on all six channels.
- Flexible gain stages for each input channel.
- Six on-chip digital integrators for Rogowski coil sensors.
- Access to on-chip meter registers via SPI, I2C, or HSDC interfaces.
- Power quality information including overcurrent, overvoltage, peak, and sag detection via external interrupt pins.
Applications
- Energy metering systems requiring high accuracy and multiple channel measurements.
- Smart grid and smart home devices.
- Industrial power monitoring and control systems.
- Automated meter reading (AMR) and advanced metering infrastructure (AMI) systems.
Q & A
- What is the primary function of the ADE7816ACPZ-RL? The ADE7816ACPZ-RL is a multichannel metering device designed to measure one voltage channel and up to six current channels, calculating active and reactive energy, and providing instantaneous rms voltage and current readings.
- What types of sensors does the ADE7816ACPZ-RL support? The device supports current transformer and Rogowski coil sensors.
- What are the interface options available for the ADE7816ACPZ-RL? The device offers I2C, SPI, and HSDC serial interfaces.
- What is the operating temperature range of the ADE7816ACPZ-RL? The operating temperature range is -40°C to +85°C.
- How accurate is the energy measurement provided by the ADE7816ACPZ-RL? The device provides energy measurements with an error of less than 0.1% over a dynamic range of 1000:1.
- What power quality information can be accessed via the ADE7816ACPZ-RL? The device provides information on overcurrent, overvoltage, peak, and sag detection via external interrupt pins.
- What is the bandwidth of the ADE7816ACPZ-RL? The bandwidth is 2 kHz.
- What is the reference voltage of the ADE7816ACPZ-RL? The reference voltage is 1.2 V with a drift of 10 ppm/°C typical.
- What package type is the ADE7816ACPZ-RL available in? The device is available in a LFCSP-40 (6x6) package.
- How many digital integrators are on-chip for Rogowski coil sensors? There are six on-chip digital integrators for Rogowski coil sensors).
