ATT7059A User Manual, introduces ATT7059A's pin definition, application mode, module description, and interrupt features
This manual provides a complete description of the ATT7059A metering chip, an SPI‑compatible single‑phase device that measures active, reactive, apparent power and energy pulses. It covers the chip’s overall architecture, pin definitions, electrical specifications, and detailed register functions.
The document also includes application modes, EMC considerations, example schematics, and packaging information, helping designers integrate the chip into power metering solutions. This manual is written in Chinese.
| Supply voltage range | 3.0 V – 3.6 V |
|---|---|
| Crystal oscillator frequency | 5.5296 MHz |
| ADC resolution | 19‑bit sigma‑delta |
| Dynamic range | 2000:1 |
| Normal operating power consumption | < 3.5 mA |
| Active energy measurement error | 0.1 % |
| Voltage RMS measurement error | 0.1 % |
| Maximum input signal level | ±800 mV |
| Signal‑to‑noise ratio | 75 dB |
The chip operates from 3.0 V to 3.6 V.
It uses a 19‑bit sigma‑delta ADC.
Normal full‑speed operation consumes less than 3.5 mA.
The internal crystal runs at 5.5296 MHz.