Overview
The ADE7858AACPZ-RL is a high-accuracy, polyphase multifunction energy metering IC produced by Analog Devices Inc. This device is designed for measuring energy consumption in various 3-phase configurations, including wye or delta services with three or four wires. It incorporates 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.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADE7858AACPZ-RL |
| Package | 40-Lead LFCSP (6mm x 6mm w/ EP) |
| Supply Voltage - Min | 2.8 V |
| Max Supply Voltage | 3.7 V |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +85 |
| Resolution | 24 bit |
| Number of Channels | 6 Channel |
| Number of ADCs | 6 Σ-Δ ADCs |
| Sampling Rate | 8 kS/s |
| Interface Type | SPI, I2C, CF Pulses |
| Measurements Available | Apparent Power, Irms, Total Active Power, Total Reactive Power, Vrms |
| Tamper Proof Support | Yes |
| RoHS | Compliant |
Key Features
- High accuracy in measuring active, reactive, and apparent energy in 3-phase configurations.
- Incorporates second-order Σ-Δ analog-to-digital converters (ADCs) and a digital integrator.
- Includes a fixed function digital signal processor (DSP) for comprehensive signal processing.
- Provides system calibration features such as rms offset correction, phase calibration, and gain calibration.
- Offers waveform sampling registers and power quality measurements like voltage and current detection, and line voltage period measurement.
- Supports multiple interfaces: SPI, I2C, and high-speed data capture (HSDC) port.
- Includes interrupt request pins (IRQ0 and IRQ1) for event notifications.
- Tamper proof support with low power modes to ensure energy accumulation continuity.
Applications
- Energy metering in residential, commercial, and industrial settings.
- Smart grid applications requiring accurate energy measurement and monitoring.
- Power quality monitoring and analysis.
- Automated meter reading (AMR) and advanced metering infrastructure (AMI) systems.
- Industrial control and automation systems requiring energy monitoring.
Q & A
- What is the primary function of the ADE7858AACPZ-RL? The primary function is polyphase energy monitoring and measurement.
- What types of energy measurements can the ADE7858AACPZ-RL perform? It can measure active, reactive, and apparent energy, as well as rms values and power quality parameters.
- What are the supported interfaces for the ADE7858AACPZ-RL? The device supports SPI, I2C, and CF pulses, along with a high-speed data capture (HSDC) port.
- Does the ADE7858AACPZ-RL support tamper proof features? Yes, it has tamper proof support with low power modes to ensure continuity of energy accumulation.
- What is the operating temperature range of the ADE7858AACPZ-RL? The operating temperature range is from -40°C to +85°C.
- How many ADCs does the ADE7858AACPZ-RL have? It has six Σ-Δ analog-to-digital converters (ADCs).
- What is the resolution of the ADE7858AACPZ-RL? The resolution is 24 bits.
- Is the ADE7858AACPZ-RL RoHS compliant? Yes, it is RoHS compliant.
- What are the power management modes available for the ADE7858AACPZ-RL? The device has two modes of operation determined by the PM0 and PM1 pins, with additional low power modes for tampering situations in some variants.
- Does the ADE7858AACPZ-RL provide interrupt request pins? Yes, it includes IRQ0 and IRQ1 pins for event notifications.
