ADE7752 데이터 시트보기 (PDF) - Analog Devices
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ADE7752 Datasheet PDF : 24 Pages
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ADE7752/ADE7752A
TYPICAL PERFORMANCE CHARACTERISTICS
0.5
WYE CONNECTION
0.4 ON-CHIP REFERENCE
0.3
PHASE C
0.2
PHASE A
0.1
PHASE A + B + C
0 PHASE B
–0.1
–0.2
–0.3
–0.4
–0.5
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 4. Error as a Percent of Reading
with Internal Reference (Wye Connection)
1.0
WYE CONNECTION
0.8 ON-CHIP REFERENCE
0.6
+85°C PF = +0.5
0.4
+25°C PF = –0.5
0.2
0
–0.2
+25°C PF = +1
–0.4
–40°C PF = +0.5
–0.6
–0.8
–1.0
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 5. Error as a Percent of Reading over Power Factor
with Internal Reference (Wye Connection)
0.5
WYE CONNECTION
0.4 EXTERNAL REFERENCE
0.3
+85°C PF = +0.5
0.2
0.1
+25°C PF = +1
0
–0.1
–40°C PF = +0.5
–0.2
+25°C PF = –0.5
–0.3
–0.4
–0.5
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 6. Error as a Percent of Reading over Power Factor
with External Reference (Wye Connection)
1.0
WYE CONNECTION
0.8 ON-CHIP REFERENCE
+85°C PF = 1
0.6
0.4
0.2
0
–0.2
+25°C PF = 1
–40°C PF = 1
–0.4
–0.6
–0.8
–1.0
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 7. Error as a Percent of Reading over Temperature
with Internal Reference (Wye Connection)
0.5
DELTA CONNECTION
0.4
ON-CHIP REFERENCE
0.3
PF = –0.5
0.2
0.1
PF = +1
0
–0.1
PF = +0.5
–0.2
–0.3
–0.4
–0.5
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 8. Error as a Percent of Reading over Power Factor
with Internal Reference (Delta Connection)
0.5
WYE CONNECTION
0.4 EXTERNAL REFERENCE
0.3
0.2
+85°C PF = 1
0.1
0
+25°C PF = 1
–0.1
–0.2
–40°C PF = 1
–0.3
–0.4
–0.5
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 9. Error as a Percent of Reading over Temperature
with External Reference (Wye Connection)
Rev. C | Page 8 of 24
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