ADE7769AR-REF AD [Analog Devices], ADE7769AR-REF Datasheet - Page 9

• Manufacturer Part Number: ADE7769AR-REF
• Description: Energy Metering IC with Integrated Oscillator and No-Load Indication
• Manufacturer: AD [Analog Devices]

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