46.2 Embedded Characteristics

Delta-Sigma ADC:

• Multi-Channel Analog Front End
  • Up to two-phase energy metering analog front-end suitable for Microchip MCUs and metrology library
  • Compliant with Class 0.2 standards (ANSI C12.20-2002 and IEC 62053-22) metering accuracy classes
  • Five Delta-Sigma ADC measurement channels: two voltages, two currents, and one temperature channel, 102 dB dynamic range
  • Pre-gain (x1, x2, x4, x8) amplifiers on current channels
  • Supports shunt, current transformer and Rogowski coils
  • Integrated 2.8V LDO regulator to supply analog functions
  • Integrated SINC decimation filters
• Precision Voltage Reference
  • Standard 1.144V output voltage with possible external bypass
  • High temperature stability
  • Factory-measured temperature drift and die temperature sensor to perform software correction