Overview
The ADE7878AACPZ is a polyphase multifunction energy metering IC produced by Analog Devices Inc. This device is designed for advanced energy metering applications, offering a comprehensive set of features for accurate and reliable measurement of electrical energy. It includes waveform sampling registers, power quality measurements, and multiple communication interfaces such as SPI, I²C, and a high-speed data capture (HSDC) port. The ADE7878AACPZ is suitable for various industrial and commercial energy metering systems, providing real-time power information and supporting current transformer and di/dt current sensors.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADE7878AACPZ |
| Package | 40-lead LFCSP (Lead Frame Chip Scale Package) |
| Supply Voltage | 2.8V to 3.7V |
| Operating Temperature | -40°C to +85°C |
| ADC Resolution | 24 bits |
| Number of ADCs | 7 |
| Sampling Rate | 8 kS/s |
| Input Clock Frequency | 16.384MHz (typical) |
| Signal-to-Noise-and-Distortion (SINAD) Ratio | 74dB (typical) |
| −3dB Bandwidth | 2kHz (typical) |
| Reference Voltage | 1.2V (drift of ±5ppm/°C typical) |
Key Features
- Waveform sampling registers for access to all ADC outputs.
- Power quality measurements including short duration low or high voltage detection, high current variation, line voltage period measurement, and angles between phase voltages and currents.
- Multiple communication interfaces: SPI, I²C, and high-speed data capture (HSDC) port.
- Dedicated ADC channel for neutral current input.
- Support for current transformer and di/dt current sensors.
- Averaged rms measurements available in low ripple rms registers.
- Two interrupt request pins (IRQ0 and IRQ1) for indicating enabled interrupt events.
Applications
- Polyphase energy metering systems.
- Industrial and commercial energy measurement.
- Smart grid applications.
- Power quality monitoring systems.
- Automated meter reading (AMR) and advanced metering infrastructure (AMI) systems.
Q & A
- What is the primary function of the ADE7878AACPZ?
The ADE7878AACPZ is a polyphase multifunction energy metering IC designed for accurate and reliable measurement of electrical energy.
- What are the key communication interfaces supported by the ADE7878AACPZ?
The device supports SPI, I²C, and a high-speed data capture (HSDC) port.
- What is the operating temperature range of the ADE7878AACPZ?
The operating temperature range is -40°C to +85°C.
- What is the resolution of the ADCs in the ADE7878AACPZ?
The ADC resolution is 24 bits.
- How many ADCs are included in the ADE7878AACPZ?
The device includes 7 ADCs.
- What is the typical sampling rate of the ADE7878AACPZ?
The typical sampling rate is 8 kS/s.
- Does the ADE7878AACPZ support current transformer and di/dt current sensors?
Yes, it supports both current transformer and di/dt current sensors.
- What is the signal-to-noise-and-distortion (SINAD) ratio of the ADE7878AACPZ?
The SINAD ratio is 74dB (typical).
- What is the reference voltage of the ADE7878AACPZ?
The reference voltage is 1.2V with a drift of ±5ppm/°C (typical).
- What is the package type of the ADE7878AACPZ?
The package type is 40-lead LFCSP (Lead Frame Chip Scale Package).
