Overview
The ADE7868AACPZ-RL, produced by Analog Devices Inc., is a high-accuracy, 3-phase electrical energy measurement IC designed for advanced power monitoring and metering applications. This device integrates second-order Σ-Δ analog-to-digital converters (ADCs), a digital integrator, reference circuitry, and a fixed function digital signal processor (DSP) to perform comprehensive energy measurements. It supports various 3-phase configurations, including wye or delta services with three and four wires, and provides features such as system calibration, power quality measurements, and multiple communication interfaces.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | 40-Lead Lead Frame Chip Scale Package (LFCSP) |
| Operating Temperature Range | -40°C to +85°C |
| Voltage Supply Range | 2.8V to 3.7V |
| ADC Type | Second-order Σ-Δ ADCs (7 ADCs for ADE7868A) |
| Communication Interfaces | SPI, I²C, High Speed Data Capture (HSDC) port |
| Power Modes | Four modes of operation (PSM0, PSM1, PSM2, PSM3) |
| Interrupt Request Pins | IRQ0 and IRQ1 |
| Package Dimensions | 6mm x 6mm x 0.73mm |
| Lead Shape | No Lead |
| RoHS Compliance | Yes |
Key Features
- High accuracy 3-phase electrical energy measurement
- Supports various 3-phase configurations (wye or delta services with three and four wires)
- Includes second-order Σ-Δ ADCs, digital integrator, and reference circuitry
- Fixed function DSP for signal processing
- System calibration features (rms offset correction, phase calibration, gain calibration)
- Power quality measurements (low or high voltage detection, high current variation, line voltage period measurement, angles between phase voltages and currents)
- Multiple communication interfaces (SPI, I²C, HSDC port)
- Low power modes to minimize power consumption
- Waveform sampling registers for access to ADC outputs
Applications
- Advanced power monitoring and metering systems
- Smart grid applications
- Industrial power management systems
- Automated meter reading (AMR) and advanced metering infrastructure (AMI) systems
- Power quality monitoring and analysis
Q & A
- What is the primary function of the ADE7868AACPZ-RL?
The primary function of the ADE7868AACPZ-RL is to perform high-accuracy 3-phase electrical energy measurements.
- What types of 3-phase configurations does the ADE7868AACPZ-RL support?
The device supports wye or delta services with both three and four wires.
- What communication interfaces are available on the ADE7868AACPZ-RL?
The device features SPI, I²C, and a high speed data capture (HSDC) port.
- How many ADCs does the ADE7868AACPZ-RL have?
The ADE7868AACPZ-RL has seven second-order Σ-Δ ADCs.
- What are the power modes available on the ADE7868AACPZ-RL?
The device has four modes of operation: PSM0, PSM1, PSM2, and PSM3.
- Does the ADE7868AACPZ-RL support system calibration?
Yes, it supports system calibration features including rms offset correction, phase calibration, and gain calibration.
- What power quality measurements can the ADE7868AACPZ-RL perform?
The device can perform measurements such as low or high voltage detection, high current variation, line voltage period measurement, and angles between phase voltages and currents.
- Is the ADE7868AACPZ-RL RoHS compliant?
Yes, the device is RoHS compliant.
- What is the operating temperature range of the ADE7868AACPZ-RL?
The operating temperature range is -40°C to +85°C.
- What is the package type and dimensions of the ADE7868AACPZ-RL?
The device is packaged in a 40-Lead Lead Frame Chip Scale Package (LFCSP) with dimensions of 6mm x 6mm x 0.73mm.
