Datasheet ADE7755 (Analog Devices) - 10

ADE7755 Data Sheet 16 30 DISTRIBUTION CHARACTERISTICS DISTRIBUTION CHARACTERISTICS NUMBER POINTS: 101 NUMBER POINTS: 101 14 MINIMUM: –9.78871 MINIMUM: –2.48959 GAIN = 1 MAXIMUM: 7.2939 25 MAXIMUM: 5.81126 TEMPERATURE = 25°C MEAN: –1.73203 MEAN: –1.26847 GAIN = 8 12 STD. DEV: 3.61157 STD. DEV: 1.57404 TEMPERATURE = 25°C 20 10 ITS 8 ITS 15 H H 6 10 4 5 2
019
0 0 –15 –9 –3 3 9 15
016
–15 –9 –3 3 9 15
02896-
CH1 OFFSET (mV) CH1 OFFSET (mV)
02896- Figure 16. Channel 1 Offset Distribution (Gain = 1) Figure 19. Channel 1 Offset Distribution (Gain = 8)
18 35 GAIN = 2 DISTRIBUTION DISTRIBUTION CHARACTERISTICS TEMPERATURE = 25°C NUMBER POINTS: 101 16 CHARACTERISTICS NUMBER POINTS: 101 30 MINIMUM: –1.96823 MINIMUM: –5.61779 MAXIMUM: 5.71177 14 MAXIMUM: 6.40821 MEAN: –1.48279 GAIN = 16 STD. DEV: 1.47802 TEMPERATURE = 25°C MEAN: –0.01746 25 12 STD. DEV: 2.35129 10 20 ITS ITS H H 8 15 6 10 4 5 2
017 020
0 0 –15 –9 –3 3 9 15 –15 –9 –3 3 9 15
02896- 02896-
CH1 OFFSET (mV) CH1 OFFSET (mV)
Figure 17. Channel 1 Offset Distribution (Gain = 2) Figure 20. Channel 1 Offset Distribution (Gain = 16)
0.5 0.5 0.4 0.4 5.25V 5.25V 0.3 0.3 0.2 0.2 0.1 0.1 5V 5V %) %) 0 0 R ( R ( –0.1 –0.1 RRO RRO E E –0.2 –0.2 4.75V 4.75V –0.3 –0.3 –0.4 –0.4 –0.5 –0.5 –0.6 –0.6 0.01 0.1 1 10 100
018
0.01 0.1 1 10 100
021
FULL-SCALE CURRENT (%) FULL-SCALE CURRENT (%)
02896- 02896- Figure 18. PSR with Internal Reference (Gain = 16) Figure 21. PSR with External Reference (Gain = 16) Rev. B | Page 10 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