Datasheet ADE7752, ADE7752A (Analog Devices) - 9

ADE7752/ADE7752A 0.5 N: 88 WYE CONNECTION 18 MEAN: 4.48045 0.4 ON-CHIP REFERENCE SD: 3.23101 MIN: –2.47468 MAX: 12.9385 0.3 15 RANGE: 15.4132 PF = 1 0.2 ding) 12 a 0.1 0 9 PF = 0.5 –0.1 6 RROR (% of Re –0.2 E –0.3 3
-012
–0.4
-010 02676-A
0
02676-A
–0.5 –20 –15 –10 –5 0 5 10 15 20 45 50 55 60 65 CH_I PhA OFFSET (mV) FREQUENCY (Hz)
Figure 10. Error as a Percent of Reading over Frequency Figure 12. Channel 1 Offset Distribution with an Internal Reference (Wye Connection)
0.5 0.5 WYE CONNECTION WYE CONNECTION EXTERNAL REFERENCE 0.4 ON-CHIP REFERENCE 0.4 0.3 4.75V 0.3 4.75V 5V 0.2 0.2 5V ding) ding) a 0.1 a 0.1 0 0 5.25V –0.1 –0.1 5.25V RROR (% of Re –0.2 RROR (% of Re –0.2 E E –0.3 –0.3
-011
–0.4
-013
–0.4 –0.5
02676-A
–0.5
02676-A
0.1 1 10 100 0.1 1 10 100 CURRENT CHANNEL (% of Full Scale) CURRENT CHANNEL (% of Full Scale)
Figure 13. Error as a Percent of Reading over Power Supply Figure 11. Error as a Percent of Reading over Power Supply with Internal Reference (Wye Connection) with External Reference (Wye Connection) Rev. C | Page 9 of 24 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT TERMINOLOGY THEORY OF OPERATION POWER FACTOR CONSIDERATIONS NONSINUSOIDAL VOLTAGE AND CURRENT ANALOG INPUTS CURRENT CHANNELS VOLTAGE CHANNELS TYPICAL CONNECTION DIAGRAMS CURRENT CHANNEL CONNECTION VOLTAGE CHANNELS CONNECTION METER CONNECTIONS POWER SUPPLY MONITOR HPF AND OFFSET EFFECTS DIGITAL-TO-FREQUENCY CONVERSION MODE SELECTION OF THE SUM OF THE THREE ACTIVE ENERGIES POWER MEASUREMENT CONSIDERATIONS TRANSFER FUNCTION FREQUENCY OUTPUTS F1 AND F2 FREQUENCY OUTPUT CF SELECTING A FREQUENCY FOR AN ENERGY METER APPLICATION FREQUENCY OUTPUTS NO LOAD THRESHOLD NEGATIVE POWER INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE