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New Energy Measurement Analog Front Ends for Single-Phase Smart Meters
Microchip Releases New MCP3912 and MCP3919 Analog Front Ends with 24-bit A/D Accuracy
Microchip today announced the completion of its high-accuracy, 1-8 channel, single and poly-phase MCP391X energy-measurement Analog Front End (AFE) family.
The new MCP3919 and MCP3912 members integrate three and four channels of 24-bit, delta-sigma Analog-to-Digital Conversion (ADC), respectively,
with industry-leading accuracy of 93.5 dB SINAD, -107 dB THD and 112 dB SFDR for precise signal acquisition and higher-performing end products.
These are the optimal numbers of channels for single-phase energy meters with neutral monitoring (3-channel);
or single-phase, three-wire energy meters (4-channel).
The high level of integration on the new AFEs also includes a low-drift voltage reference, programmable gain amplifiers,
phase-delay compensation and cyclic redundancy check (CRC).
The company's Web site address is www.Microchip.com
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