The data sheet provides detailed information on the 78m6612 single-phase dual-outlet power and energy measurement IC, including the product's features and characteristics
The Maxim 78M6612 is a highly integrated single‑phase power and energy measurement system‑on‑chip. It combines a 32‑bit compute engine, an 8051‑compatible MPU, a 22‑bit delta‑sigma ADC, voltage reference, temperature sensor, LCD drivers, RAM, flash memory, and RTC in a single package, enabling accurate measurement of active, reactive, and apparent energy with minimal external components.
The datasheet provides hardware descriptions, analog front‑end details, pin configurations, electrical specifications, packaging options, and ordering information. It also includes performance specifications such as accuracy, voltage reference stability, and power‑fault detection, as well as recommended external components and operating conditions.
| Flash Memory | 32 KB |
|---|---|
| RAM | 2 KB shared RAM |
| ADC Resolution | 22‑bit delta‑sigma |
| Voltage Reference Accuracy | < 40 ppm/°C |
| Energy Accuracy | ≤ 0.5 % Wh over 2000:1 current range |
| UART Interfaces | Two UARTs |
| Time Base | 32 kHz |
| Package Options | 64‑Pin LQFP or 68‑Pin QFN |
| RoHS Compliance | Lead‑free, RoHS‑compliant |
The 78M6612 includes 32 KB of flash memory with security features.
The device provides two UART interfaces.
It uses a 22‑bit delta‑sigma ADC for high‑resolution measurements.
Yes, the device is offered in lead‑free, RoHS‑compliant packages.