Datasheet

ADE7769
Rev. A | Page 9 of 20
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
ERROR (% of Reading)
FREQUENCY (Hz)
5045 55 60 65
05332-018
PF = 0.5 IND
PF = 0.5 CAP
PF = 1
Figure 9. Error as a % of Reading over Input Frequency
–1.0
–0.8
–0.6
–0.4
–0.2
0
ERROR (% of Reading)
0.2
0.4
0.6
05332-023
CURRENT CHANNEL (% of Full Scale)
0.1 101 100
0.8
1.0
5.25V
5V
4.75V
PF = 1
ON-CHIP REFERENCE
Figure 10. PSR with On-Chip Reference, PF = 1
–1.0
–0.8
–0.6
–0.4
–0.2
0
ERROR (% of Reading)
0.2
0.4
0.6
05332-024
CURRENT CHANNEL (% of Full Scale)
0.1 101 100
0.8
1.0
5.25V
5V
4.75V
PF = 1
EXTERNAL REFERENCE
Figure 11. PSR with External Reference, PF = 1
40
FREQUENCY
CHANNEL V1 OFFSET (mV)
05332-025
–5–4–3–2–10123456789
EXTERNAL REFERENCE
TEMPERATURE = 25°C
0
10
20
30
DISTRIBUTION CHARACTERISTICS
MEAN = 2.247828
SDs = 1.367176
MIN = –2.09932
MAX = +5.28288
NO. OF POINTS = 100
Figure 12. Channel V1 Offset Distribution
0
10
20
30
40
50
FREQUENCY
CHANNEL V2 OFFSET (mV)
05332-026
–12–10–8–6–4–2024681012
EXTERNAL REFERENCE
TEMPERATURE = 25°C
DISTRIBUTION CHARACTERISTICS
MEAN = –1.563484
SDs = 2.040699
MIN = –6.82969
MAX = +2.6119
NO. OF POINTS = 100
Figure 13. Channel V2 Offset Distribution
–10 –8 –6 –4 –2 0 2 4 6 8 10 12
0
200
400
600
800
1000
FREQUENCY
DEVIATION FROM MEAN (%)
05332-027
EXTERNAL REFERENCE
TEMPERATURE = 25°C
DISTRIBUTION CHARACTERISTICS
MEAN = 0%
SDs = 1.55%
MIN = –11.79%
MAX = +6.08%
NO. OF POINTS = 3387
Figure 14. Part-to-Part CF Deviation from Mean