ADE7758 Analog Devices, ADE7758 Datasheet - Page 17

• Manufacturer Part Number: ADE7758
• Description: Poly Phase Multifunction Energy Metering IC with Per Phase Information
• Manufacturer: Analog Devices

Figure 30. Apparent Energy Error as a Percentage of Reading (Gain = +1) over
–0.5
–1.0
–1.5
18
15
12
1.5
1.0
0.5
9
6
3
0
0
0.01
Temperature with Internal Reference and Integrator Off
–4
Figure 31. Phase A Channel 1 Offset Distribution
+85°C
–2
+25°C
PERCENT FULL-SCALE CURRENT (%)
0.1
0
CH 1 PhA OFFSET (mV)
–40°C
2
4
1
6
8
MEAN: 5.55393
SD: 3.2985
10
10
12
100
Rev. A | Page 17 of 68
21
18
15
12
12
10
9
6
3
0
8
6
4
2
0
–2
Figure 32. Phase B Channel 1 Offset Distribution
Figure 33. Phase C Channel 1 Offset Distribution
2
0
4
2
CH 1 PhB OFFSET (mV)
CH 1 PhC OFFSET (mV)
6
4
8
6
10
8
MEAN: 6.5149
SD: 2.816
MEAN: 6.69333
SD: 2.70443
10
12
ADE7758
12
14