ADE7769 查看數據表（PDF） - Analog Devices
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ADE7769 Datasheet PDF : 20 Pages
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0.5
0.4
0.3
0.2
PF = 0.5 IND
0.1
PF = 1
0
–0.1
–0.2
PF = 0.5 CAP
–0.3
–0.4
–0.5
45
50
55
60
65
FREQUENCY (Hz)
Figure 9. Error as a % of Reading over Input Frequency
1.0
PF = 1
0.8 ON-CHIP REFERENCE
0.6
0.4
5.25V
0.2
5V
0
–0.2
4.75V
–0.4
–0.6
–0.8
–1.0
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 10. PSR with On-Chip Reference, PF = 1
1.0
PF = 1
0.8 EXTERNAL REFERENCE
0.6
0.4
5.25V
0.2
5V
0
–0.2
4.75V
–0.4
–0.6
–0.8
–1.0
0.1
1
10
100
CURRENT CHANNEL (% of Full Scale)
Figure 11. PSR with External Reference, PF = 1
ADE7769
40
DISTRIBUTION CHARACTERISTICS
MEAN = 2.247828
SDs = 1.367176
MIN = –2.09932
EXTERNAL REFERENCE
TEMPERATURE = 25°C
MAX = +5.28288
30 NO. OF POINTS = 100
20
10
0
–5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8 9
CHANNEL V1 OFFSET (mV)
Figure 12. Channel V1 Offset Distribution
50
DISTRIBUTION CHARACTERISTICS
MEAN = –1.563484
SDs = 2.040699
40
MIN = –6.82969
MAX = +2.6119
EXTERNAL REFERENCE
TEMPERATURE = 25°C
NO. OF POINTS = 100
30
20
10
0
–12 –10 –8 –6 –4 –2 0 2 4 6
CHANNEL V2 OFFSET (mV)
8 10 12
Figure 13. Channel V2 Offset Distribution
1000
800
DISTRIBUTION CHARACTERISTICS
MEAN = 0%
SDs = 1.55%
MIN = –11.79%
EXTERNAL REFERENCE
TEMPERATURE = 25°C
MAX = +6.08%
NO. OF POINTS = 3387
600
400
200
0
–10 –8 –6 –4 –2 0 2 4 6
DEVIATION FROM MEAN (%)
8 10 12
Figure 14. Part-to-Part CF Deviation from Mean
Rev. A | Page 9 of 20
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