Datasheet ADE7755 (Analog Devices) - 8

ADE7755 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 0.5 0.5 0.4 –40°C 0.4 –40°C 0.3 0.3 0.2 0.2 PF = 1 GAIN = 16 0.1 0.1 ON-CHIP REFERENCE %) +25°C %) +25°C R ( 0 R ( 0 RRO RRO E –0.1 E –0.1 +85°C –0.2 –0.2 +85°C –0.3 –0.3 PF = 1 GAIN = 1 –0.4 –0.4 ON-CHIP REFERENCE –0.5 –0.5 0.01 0.1 1 10 100
004
0.01 0.1 1 10 100
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)
0.5 0.6 PF = 0.5 –40°C 0.4 GAIN = 1 ON-CHIP REFERENCE 0.4 0.3 –40°C PF = 0.5 0.2 0.2 0.1 %) %) +25°C +25°C PF = 1 R ( 0 R ( 0 RRO RRO E –0.1 E +25°C PF = 0.5 –0.2 –0.2 +85°C +85°C PF = 0.5 –0.3 –0.4 PF = 1 –0.4 GAIN = 2 ON-CHIP REFERENCE –0.5 –0.6 0.01 0.1 1 10 100
005
0.01 0.1 1 10 100
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)
0.6 0.6 PF = 0.5 GAIN = 2 0.5 –40°C ON-CHIP REFERENCE 0.4 0.4 –40°C PF = 0.5 0.3 0.2 PF = 1 0.2 GAIN = 8 %) ON-CHIP REFERENCE %) +25°C PF = 1 R ( R ( 0.1 0 +25°C RRO RRO E 0 E +25°C PF = 0.5 –0.2 –0.1 +85°C –0.2 –0.4 +85°C PF = 0.5 –0.3 –0.4 –0.6 0.01 0.1 1 10 100
006
0.01 0.1 1 10 100
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