Datasheet

ADE7752/ADE7752A
Rev. C | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
10010
CURRENT CHANNEL (% of Full Scale)
0.5
–0.1
–0.5
0.1 1
0.4
0
–0.2
–0.4
0.2
0.1
–0.3
0.3
ERROR (% of Reading)
WYE CONNECTION
ON-CHIP REFERENCE
PHASE C
PHASE B
PHASE A + B + C
P
H
A
S
E
A
02676-A-004
10010
1.0
–0.2
–1.0
0.1 1
0.8
0
–0.4
–0.8
0.4
0.2
–0.6
0.6
WYE CONNECTION
ON-CHIP REFERENCE
+25°C PF = 1
+85°C PF = 1
–40°C PF = 1
CURRENT CHANNEL (% of Full Scale)
ERROR (% of Reading)
02676-A-007
Figure 4. Error as a Percent of Reading
with Internal Reference (Wye Connection)
Figure 7. Error as a Percent of Reading over Temperature
with Internal Reference (Wye Connection)
10010
1.0
–0.2
–1.0
0.1 1
0.8
0
–0.4
–0.8
0.4
0.2
–0.6
0.6
WYE CONNECTION
ON-CHIP REFERENCE
+25°C PF = –0.5
+25 ° C PF = +1
+85°C PF = +0.5
CURRENT CHANNEL (% of Full Scale)
ERROR (% of Reading)
02676-A-005
–40°C PF = +0.5
10010
0.5
–0.1
–0.5
0.1 1
0.4
0
–0.2
–0.4
0.2
0.1
–0.3
0.3
DELTA CONNECTION
ON-CHIP REFERENCE
PF = +1
PF = –0.5
PF = +0.5
CURRENT CHANNEL (% of Full Scale)
ERROR (% of Reading)
02676-A-008
Figure 5. Error as a Percent of Reading over Power Factor
with Internal Reference (Wye Connection)
Figure 8. Error as a Percent of Reading over Power Factor
with Internal Reference (Delta Connection)
10010
CURRENT CHANNEL (% of Full Scale)
0.5
–0.1
–0.5
0.1 1
0.4
0
–0.2
–0.4
0.2
0.1
–0.3
0.3
ERROR (% of Reading)
WYE CONNECTION
EXTERNAL REFERENCE
+25°C PF = –0.5
+25 ° C PF = +1
–40°C PF = +0.5
+85°C PF = +0.5
02676-A-006
10010
0.5
–0.1
0.1 1
0.4
0
–0.2
–0.4
–0.5
0.2
0.1
–0.3
0.3
WYE CONNECTION
EXTERNAL REFERENCE
+25 ° C PF = 1
–40°C PF = 1
+85°C PF = 1
CURRENT CHANNEL (% of Full Scale)
ERROR (% of Reading)
02676-A-009
Figure 6. Error as a Percent of Reading over Power Factor
with External Reference (Wye Connection)
Figure 9. Error as a Percent of Reading over Temperature
with External Reference (Wye Connection)