ADE7755Data SheetTYPICAL PERFORMANCE CHARACTERISTICS0.50.50.4–40°C0.4–40°C0.30.30.20.2PF = 1 GAIN = 160.10.1ON-CHIP REFERENCE%)+25°C%)+25°CR (0R (0RRORROE –0.1E –0.1+85°C–0.2–0.2+85°C–0.3–0.3PF = 1 GAIN = 1–0.4–0.4ON-CHIP REFERENCE–0.5–0.50.010.1110100 004 0.010.1110100 007 FULL-SCALE CURRENT (%)FULL-SCALE CURRENT (%) 02896- 02896- Figure 4. Error as a % of Reading (Gain = 1) Figure 7. Error as a % of Reading (Gain = 16) 0.50.6PF = 0.5–40°C0.4GAIN = 1 ON-CHIP REFERENCE0.40.3–40°C PF = 0.50.20.20.1%)%)+25°C+25°C PF = 1R (0R (0RRORROE –0.1E+25°C PF = 0.5–0.2–0.2+85°C+85°C PF = 0.5–0.3–0.4PF = 1–0.4GAIN = 2 ON-CHIP REFERENCE–0.5–0.60.010.1110100 005 0.010.1110100 008 FULL-SCALE CURRENT (%)FULL-SCALE CURRENT (%) 02896- 02896- Figure 5. Error as a % of Reading (Gain = 2) Figure 8. Error as a % of Reading (Gain = 1) 0.60.6PF = 0.5 GAIN = 20.5–40°CON-CHIP REFERENCE0.40.4–40°C PF = 0.50.30.2PF = 10.2GAIN = 8%)ON-CHIP REFERENCE%)+25°C PF = 1R (R (0.10+25°CRRORROE0E+25°C PF = 0.5–0.2–0.1+85°C–0.2–0.4+85°C PF = 0.5–0.3–0.4–0.60.010.1110100 006 0.010.1110100 009 FULL-SCALE CURRENT (%)FULL-SCALE CURRENT (%) 02896- 02896- Figure 6. Error as a % of Reading (Gain = 8) Figure 9. Error as a % of Reading (Gain = 2) Rev. B | Page 8 of 20 Document Outline Features General Description Functional Block Diagram Revision History Specifications Timing Characteristics Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Power Factor Considerations Nonsinusoidal Voltage and Current Analog Inputs Channel 1 (Current Channel) Channel 2 (Voltage Channel) Typical Connection Diagrams Power Supply Monitor HPF and Offset Effects Digital-to-Frequency Conversion Interfacing the ADE7755 to a Microcontroller for Energy Measurement Power Measurement Considerations Transfer Function Frequency Outputs F1 and F2 Example 1 Example 2 Frequency Output CF Selecting a Frequency for an Energy Meter Application Frequency Outputs No Load Threshold Outline Dimensions Ordering Guide