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ADE7752A Datasheet(PDF) 8 Page - Analog Devices

Part No. ADE7752A
Description  Polyphase Energy Metering IC with Pulse Output
Download  24 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADE7752A Datasheet(HTML) 8 Page - Analog Devices

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ADE7752/ADE7752A
Rev. C | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
100
10
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
WYE CONNECTION
ON-CHIP REFERENCE
PHASE C
PHASE B
PHASE A + B + C
PHASE A
100
10
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)
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)
100
10
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)
–40
°C PF = +0.5
100
10
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)
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)
100
10
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
WYE CONNECTION
EXTERNAL REFERENCE
+25
°C PF = –0.5
+25
°C PF = +1
–40
°C PF = +0.5
+85
°C PF = +0.5
100
10
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)
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)


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