This datasheet describes the Analog Devices ADE78xx series of high-precision, multi-phase energy metering integrated circuits featuring serial interfaces…
The document details the ADE7854, ADE7858, ADE7868, and ADE7878 integrated circuits designed for high-precision three-phase energy metering. These devices support various configurations including star or delta connections and measure total active/reactive/apparent power as well as RMS values.
The datasheet covers technical specifications such as dynamic range error performance, supported standards like EN 50470-1 and IEC 62053-21/22/23, and operating conditions. It provides comprehensive information on the functional block diagrams, register lists, timing characteristics, absolute maximum ratings, and application circuits for these ICs. This manual is written in Chinese.
| Operating Temperature Range | -40°C to +85°C |
|---|---|
| Supply Voltage Range | 2.4 V to 3.7 V |
| Reference Voltage | 1.2 V (typical) |
| Package Type | 40-lead LFCSP Leadframe Chip Scale Package |
| Supported Standards | EN 50470-1, EN 50470-3, IEC 62053-21/22/23 |
| Interface Types | I2C, SPI, HSDC |
Only the ADE7868 and ADE7878 models support dedicated ADC channels for zero-line current inputs using di/dt current sensors.
At TA = 25°C, the active and reactive power error is less than 0.1% within a 1000:1 dynamic range.
Yes, the ADE7878 supports all features including di/dt and anti-theft detection, while ADE7854/58/68 have varying levels of support.