Datasheet ADE7752, ADE7752A (Analog Devices) - 8

ADE7752/ADE7752A TYPICAL PERFORMANCE CHARACTERISTICS 0.5 1.0 WYE CONNECTION WYE CONNECTION 0.4 ON-CHIP REFERENCE 0.8 ON-CHIP REFERENCE +85
°
C PF = 1 0.3 0.6 PHASE C 0.2 PHASE A + B + C 0.4 PHASE A ding) a ding) 0.1 a 0.2 0 PHASE B 0 –0.1 –0.2 +25
°
C PF = 1 –40
°
C PF = 1 RROR (% of Re –0.2 E RROR (% of Re –0.4 E –0.3 –0.6 –0.4
-004
–0.8
-007
–0.5
02676-A
–1.0
02676-A
0.1 1 10 100 0.1 1 10 100 CURRENT CHANNEL (% of Full Scale) CURRENT CHANNEL (% of Full Scale)
Figure 4. Error as a Percent of Reading Figure 7. Error as a Percent of Reading over Temperature with Internal Reference (Wye Connection) with Internal Reference (Wye Connection)
1.0 0.5 WYE CONNECTION DELTA CONNECTION 0.8 ON-CHIP REFERENCE ON-CHIP REFERENCE 0.4 0.6 +85
°
C PF = +0.5 0.3 PF = –0.5 0.4 +25
°
C PF = –0.5 0.2 ding) a ding) PF = +1 0.2 a 0.1 0 0 –0.2 +25
°
C PF = +1 –0.1 PF = +0.5 RROR (% of Re –0.4 –40
°
C PF = +0.5 RROR (% of Re E –0.2 E –0.6 –0.3
5 -00
–0.8
A
–0.4
-008 6- 67
–1.0
02
–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 5. Error as a Percent of Reading over Power Factor Figure 8. Error as a Percent of Reading over Power Factor with Internal Reference (Wye Connection) with Internal Reference (Delta Connection)
0.5 0.5 WYE CONNECTION WYE CONNECTION 0.4 EXTERNAL REFERENCE 0.4 EXTERNAL REFERENCE 0.3 +85
°
C PF = +0.5 0.3 0.2 0.2 +85
°
C PF = 1 ding) +25
°
C PF = +1 ding) a 0.1 a 0.1 0 0 +25
°
C PF = 1 –0.1 –0.1 –40
°
C PF = +0.5 RROR (% of Re –0.2 RROR (% of Re –0.2 E +25
°
C PF = –0.5 –40
°
C PF = 1 E –0.3 –0.3 –0.4
-006
–0.4
-009
–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 6. Error as a Percent of Reading over Power Factor Figure 9. Error as a Percent of Reading over Temperature with External Reference (Wye Connection) with External Reference (Wye Connection) Rev. C | Page 8 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