Multichannel, Isolated, Precision ADC

The MAX78700 is an isolated analog-to-digital converter (ADC) for use with a compatible MAX78xxx energy measurement processor. The device provides current and voltage measurements to the host while the host provides control, command, and power to the MAX78700. A pulse transformer provides the isolated data and power path between the device and host, eliminating the need for additional isolation components in the measurement subsystem.

Applications

* Commercial and Industrial Automation * Electric Vehicle Charging Systems * Lighting Control Systems * Renewable Energy Systems * Smart Grid Friendly Equipment

* Better Than 0.5% Watt-Hour Accuracy Over Wide Dynamic Range Using a Single Calibration Point

* High-Resolution Delta-Sigma ADC

* Factory-Trimmed Voltage Reference and Die Temperature Sensor

* Simplified System Architecture

* No Power Supply Required

* Fully Powered by the Host with the Isolation Transformer

* Eliminates Data Isolation Components

* Reduced Form Factor and Bill of Materials

* Small 10-Pin µMAX® Package