Datasheet

© 2009 Microchip Technology Inc. DS21948E-page 21
MCP3905/06
5.0 APPLICATIONS INFORMATION
5.1 Meter Design using the
MCP3905/06
For all applications information, refer to AN994, "IEC
Compliant Active Energy Meter Design Using The
MCP3905/6” (DS00994). This application note
includes all required energy meter design information,
including the following:
Meter rating and current sense choices
Shunt design
PGA selection
F2, F1, F0 selection
Meter calibration
Anti-aliasing filter design
Compensation for parasitic shunt inductance
•EMC design
Power supply design
No-load threshold
Start-up current
Accuracy testing results from MCP3905-based
meter
EMC testing results from MCP3905-based meter