Datasheet

REV. 0
Typical Performance Characteristics–ADE7754
–7–
CURRENT (% fs)
PERCENT ERROR
0.00
0.10
0.20
0.30
0.40
0.50
–0.40
–0.30
–0.20
–0.10
–0.50
0.01 0.1 1 10 100
PHASE A
PHASE B
PHASE C
PHASE A + B + C
WYE CONNECTION
GAIN = 1
PF = 1
INTERNAL REFERENCE
TPC 1. Real Power Error as a Percentage of
Reading with Gain = 1 and Internal Reference
(WYE Connection)
CURRENT (% fs)
PERCENT ERROR
0.50
0.20
0.30
0.40
0.00
0.10
–0.30
–0.20
–0.10
–0.50
–0.40
0.01 0.1 1 10 100
PF = +1
PF = +0.5
PF = –0.5
DELTA CONNECTION
GAIN = 1
PF = 0.5
INTERNAL REFERENCE
TPC 2. Real Power Error as a Percentage of
Reading over Power Factor with Internal
Reference (DELTA Connection)
CURRENT (% fs)
PERCENT ERROR
1.00
0.00
–0.20
–0.60
–0.40
–1.00
–0.80
0.01 0.1 1 10 100
0.20
0.40
0.60
0.80
GAIN = 1
PF = 0.5
INTERNAL REFERENCE
+85∞C PF = +0.5
+25∞C PF = –0.5
+25∞C PF = +1.0
–40∞C PF = +0.5
TPC 3. Real Power Error as a Percentage of Reading
over Power Factor with Internal Reference (Gain = 1)
CURRENT INPUT (% fs)
PERCENT ERROR
1.00
–1.00
110100
–0.80
–0.60
–0.40
–0.20
0.00
0.20
0.40
0.60
0.80
GAIN = 1
INTERNAL REFERENCE
TPC 4. Current RMS Error as a Percentage of
Reading with Internal Reference (Gain = 1)
VOLTAGE INPUT (% fs)
PERCENT ERROR
0.50
0.00
–0.50
110100
–0.40
–0.30
–0.20
–0.10
0.10
0.20
0.30
0.40
GAIN = 1
INTERNAL REFERENCE
TPC 5. Voltage RMS Error as a Percentage of
Reading with Internal Reference (Gain = 1)
VOLTAGE INPUT (% fs)
PERCENT ERROR
0.50
0.00
–0.50
0.01 0.1 1 10 100
–0.40
–0.30
–0.20
–0.10
0.10
0.20
0.30
0.40
GAIN = 1
PF = 0.5
EXTERNAL REFERENCE
+25∞C PF = –0.5
–40∞C PF = +0.5
+85∞C PF = +0.5+25∞C PF = +1
TPC 6. Real Power Error as a Percentage of Reading
over Power Factor with External Reference (Gain = 1)