Datasheet

REV. 0–8–
ADE7754
FREQUENCY (Hz)
PERCENT ERROR
1.00
0.00
–1.00
45 50 55 60 65
–0.80
–0.60
–0.40
–0.20
0.20
0.40
0.60
0.80
GAIN = 1
INTERNAL REFERENCE
PF = 1
PF = 0.5
TPC 7. Real Power Error as a Percentage of Read-
ing over Input Frequency with Internal Reference
PERCENT ERROR
0.20
–0.20
0.01 0.1 1 10 100
–0.16
–0.12
–0.08
–0.04
0.04
0.00
0.08
0.12
0.16
4.75V
5.25V
5V
CURRENT INPUT (% fs)
GAIN = 1
PF = 1
EXTERNAL REFERENCE
TPC 8. Real Power Error as a Percentage of Read-
ing over Power Supply with External Reference
(Gain = 1)
PERCENT ERROR
–0.20
0.01 0.1 1
CURRENT INPUT (% fs)
10 100
–0.15
–0.10
–0.05
0.00
0.05
0.10
0.15
0.20
GAIN = 1
PF = 1
INTERNAL REFERENCE
4.75V
5.25V
5V
TPC 9. Real Power Error as a Percentage of Reading
over Power Supply with Internal Reference (Gain = 1)
AV
DD
DV
DD
RESET
17
REF IN/OUT
33nF
1k
100nF
33nF
1k
10F
V DD
V
N
AGND DGND
DOUT
SCLK
CF
CLKOUT
CLKIN
CS
DIN
IRQ
10MHz
22pF
22pF
PS2501-1
ADE7754
13
1
TO FREQ.
COUNTER
19
20
I
AP
I
AN
I
BP
I
BN
I
CP
I
CN
21
22
18
RB
SAME AS
I
AP
, I
AN
9
10
SAME AS
I
AP
, I
AN
16
15
14
SAME AS V
AP
SAME AS V
AP
100nF 10F
12
V
AP
V
BP
V
CP
33nF
1k
1M
220V
33nF
1k
825
I
TO SPI BUS
ONLY USED FOR
CALIBRATION
TPC 10. Test Circuit for Performance Curves
CH_I PhA OFFSET (mV)
PERCENT ERROR
0
–20
3
6
9
12
15
18
21
24
–15 –10 –5 0 5 10 15 20
N = 116
MEAN = 4.33955
SD = 3.13475
LIMITS: LOW = –19, HIGH = +19
MIN = –2.21937
MAX = +14.7485
RANGE = 16.9669
TPC 11. Current Channel Offset Distribution (Gain = 1)