The MCP3903 AFE incorporates six 16/24-bit delta-sigma A/D converters and offers the highest accuracy on the market with typical signal-to-noise ratio (SINAD) values of 89 dB and typical total harmonic distortion (THD) of -99 dB. Additional features include programmable gain amplifiers (PGAs), a low-drift voltage reference, and phase-delay compensation, all of which reduce the number of external components, enhance design flexibility, and lower costs. The MCP3903 AFE is ideal for the energy and industrial markets, such as utility meters, energy monitoring equipment, and instrumentation.
Regulatory changes and trends in smart meters, along with the Advanced Metering Infrastructure (AMP), have greatly increased the need for products that deliver accurate measurements on multi-phase meters while simplifying designs and reducing costs. The MCP3903 provides this functionality through a highly accurate solution with integrated features that enhance design flexibility. The MCP3903's six 16/24-bit Delta-Sigma A/D converters enable simultaneous sampling of six inputs, making it ideal for monitoring and metering three-phase electrical networks, while its market-leading accuracy allows for more precise products.
The MCP3903 is available in a 28-pin SSOP package.

