Overview
The ADE7932ARIZ is a high-performance, integrated analog-to-digital converter (ADC) designed by Analog Devices Inc. This component is particularly suited for polyphase energy metering applications, offering advanced features for accurate energy measurement and power quality monitoring.
It operates on a single 3.3V supply and is compatible with 3-phase, 3- or 4-wire (delta or wye) metering configurations. The ADE7932ARIZ is immune to magnetic tampering, making it a reliable choice for energy metering systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Sampling Rate | 8 kSPS | - | - |
| Input Type | Pseudo Differential, Single Ended | - | - |
| Supply Voltage | 2.97V to 3.63V | V | - |
| Operating Temperature | -40°C to 85°C | °C | - |
| Package Type | 20-Lead SOIC | - | - |
| Measurement Error (Active Energy) | < 0.2% over a dynamic range of 2000 to 1 | % | At TA = 25°C, PF = 1 |
| Measurement Error (Voltage RMS) | < 0.1% over a dynamic range of 500 to 1 | % | At TA = 25°C |
| Measurement Error (Current RMS) | < 0.25% over a dynamic range of 500 to 1 | % | At TA = 25°C |
Key Features
- High accuracy in measuring active, reactive, and apparent energy on each phase and the overall system.
- Immune to magnetic tampering, enhancing security in energy metering applications.
- Includes isoPower®, an integrated, isolated dc-to-dc converter based on iCoupler® technology, eliminating the need for an external isolation block.
- Supports power quality measurements, including total harmonic distortion (THD), short duration low or high voltage detection, and line voltage period measurement.
- Features two ADC channels: one for current measurement and one for voltage measurement.
- Compatible with SPI and I2C serial interfaces for communication.
- High-speed data capture (HSDC) port for real-time power information access.
- Two interrupt request pins (IRQ0 and IRQ1) for indicating enabled interrupt events.
Applications
- Polyphase energy meters.
- 3-phase, 3- or 4-wire (delta or wye) metering systems.
- Power quality monitoring systems.
- Smart grid and smart metering applications.
- Industrial and commercial energy measurement systems.
Q & A
- What is the primary function of the ADE7932ARIZ?
The ADE7932ARIZ is primarily used for accurate energy measurement and power quality monitoring in polyphase energy metering applications.
- What is the operating voltage range of the ADE7932ARIZ?
The ADE7932ARIZ operates on a single 3.3V supply, with a voltage range of 2.97V to 3.63V.
- What types of interfaces does the ADE7932ARIZ support?
The ADE7932ARIZ supports SPI and I2C serial interfaces, as well as a high-speed data capture (HSDC) port.
- What is the significance of isoPower® in the ADE7932ARIZ?
isoPower® is an integrated, isolated dc-to-dc converter that eliminates the need for an external isolation block, providing regulated power to the ADCs.
- What are the key measurement errors associated with the ADE7932ARIZ?
The ADE7932ARIZ has measurement errors of less than 0.2% for active energy, less than 0.1% for voltage RMS, and less than 0.25% for current RMS over specified dynamic ranges.
- What is the operating temperature range of the ADE7932ARIZ?
The operating temperature range is from -40°C to 85°C.
- What package type is the ADE7932ARIZ available in?
The ADE7932ARIZ is available in a 20-Lead SOIC package.
- Does the ADE7932ARIZ support power quality measurements?
- How does the ADE7932ARIZ protect against magnetic tampering?
The ADE7932ARIZ is designed to be immune to magnetic tampering, enhancing the security of energy metering applications.
- What are the typical applications of the ADE7932ARIZ?
The ADE7932ARIZ is typically used in polyphase energy meters, smart grid and smart metering applications, and industrial and commercial energy measurement systems.
