The MCP3905AT-I/SS is an integrated circuit (IC) component designed by Microchip Technology. It is a highly integrated analog front-end (AFE) chip specifically developed for single-phase energy metering applications. This IC offers various key features and functionalities that make it a preferred choice in the field of energy metering. Here is an overview of its features:
1. High Accuracy: The MCP3905AT-I/SS boasts a high level of accuracy, making it suitable for precise energy measurement applications. It supports 16-bit delta-sigma A/D conversion, enabling high-resolution measurements.
2. Wide Dynamic Range: This IC component offers a wide dynamic range, allowing it to measure current and voltage inputs across a broad range of values accurately. It can handle input currents up to 120 kHz, making it suitable for various energy metering requirements.
3. Programmable Gain Amplifier (PGA): The MCP3905AT-I/SS integrates programmable gain amplifiers that enable measurement of different current and voltage levels. These amplifiers can be programmed to adapt to specific input ranges, facilitating versatile energy measurement capabilities.
4. On-Chip Analog Filters: The IC includes a built-in digital filter and programmable notch filters. These filters eliminate unwanted harmonics and noise, ensuring accurate and reliable measurement results.
5. Reference Voltage Generator: A precision on-chip voltage reference generator is provided to ensure consistent measurement accuracy even in varying environmental conditions
