SA4120A
PERFORMANCE GRAPHS
VDD
VDD
R1: 1.2
R2: 1.2
R3: 1.5k
R4: 1.5k
R5: 1.5k
R6: 1.5k
R7: 250k
R8: 1k
R9: 100k
R10: 47k
R11: 1k
Single Phase Source
R3
R4
C1
IIP
R11
0.1A
to 100A
50Hz AC
R1
R2
GND
R5
C2
R6
CT1
IIN
Phase angle
between voltage
and current
FOUT
DIR
CT1: TZ76V (2500:1)
R7
P1:
1k
P1
-60ꢀ to 60ꢀ
IVP
C1: 22nF
C2: 22nF
C3: 5.6nF
C4: 220nF
C5: 220nF
C6: 1µF
R9
C3
SA4120A
220V
R8
50Hz AC
FMO
N
N
GND
GND
GND
VDD
VDD
+
-
2.5V
DC
C4
C6
AGND VREF
GND
VSS
VSS
+
-
2.5V
DC
GND C5
R10
VSS
VSS
Figure 6: Test circuit for performance graphs
0.5
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
PF = 1
-0.3
-0.4
-0.5
VMains = 100%VNOM
VMains = 50% VNOM
VMains = 115% VNOM
PF = 0.5 LAG
PF = 0.5 LEAD
PF = -1
0.1
1
10
100
0.1
1
10
100
%IMAX
%IMAX
Graph 1: Freq = 50Hz, VMains = VNOM, Temp = 25°C,
Graph 2: PF = 1, Freq = 50Hz, Temp = 25°C,
VDD-VSS = 5.0V
VDD-VSS = 5.0V
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.3
-0.4
-0.5
Freq = 50Hz
Freq = 45Hz
Freq = 65Hz
VDD-VSS = 5.0V
VDD-VSS = 4.5V
VDD-VSS = 5.5V
0.1
1
10
100
0.1
1
10
100
%IMAX
%IMAX
Graph 3: PF = 1, VMains = VNOM, Temp = 25°C,
VDD-VSS = 5.0V
Graph 4: PF = 1, Freq = 50Hz, VMains = VNOM
Temp = 25°C
,
SPEC-3094 (REV. 2)
29-09-2017
6/14
SAMES [ SAMES ]
