ade7763 Analog Devices, Inc., ade7763 Datasheet - Page 12

• Manufacturer Part Number: ade7763
• Description: Single-phase Active And Apparent Energy Metering Ic
• Manufacturer: Analog Devices, Inc.

ADE7763
I
–0.1
–0.2
–0.3
–0.4
–0.5
Figure 18. Active Energy Error as a Percentage of Reading (Gain = 8)
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
110V
Figure 21. Test Circuit for Performance Curves with Integrator On
0
0
over Power Supply with Internal Reference and Integrator On
di/dt CURRENT
SENSOR
0.1
0.1
CHANNEL 1 GAIN = 8
CHANNEL 2 GAIN = 1
Figure 19. IRMS Error as a Percentage of Reading (Gain = 8)
PF = 1
10 F
600k
100
33nF
33nF
100
1k
10 F
1k
with Internal Reference and Integrator On
PF = 0.5
100nF
1k
1k
33nF
33nF
33nF
33nF
FULL-SCALE CURRENT (%)
FULL-SCALE CURRENT (%)
100nF
1
1
AVDD DVDD RESET
V1P
V1N
V2N
V2P
REF
5.25V
5.00V
4.75V
V
ADE7763
DD
IN/OUT
AGND DGND
U1
CLKOUT
CLKIN
DOUT
SCLK
GAIN = 8
INTEGRATOR ON
INTERNAL REFERENCE
SAG
DIN
IRQ
GAIN = 8
INTEGRATOR ON
INTERNAL REFERENCE
CS
ZX
CF
100nF
10
10
NOT CONNECTED
TO SPI BUS
(USED ONLY FOR
CALIBRATION)
Y1
3.58MHz
22pF
PS2501-1
10 F
U3
22pF
TO
FREQUENCY
COUNTER
100
100
Rev. A | Page 12 of 56
I
110V
Figure 22. Test Circuit for Performance Curves with Integrator Off
16
14
12
10
CT TURN RATIO = 1800:1
CHANNEL 2 GAIN = 1
GAIN 1 (CH1)
8
6
4
2
0
–15
CURRENT
TRANSFORMER
10 F
1
8
RB
600k
1k
10 F
1k
–10
1.21
10
Figure 20. Channel 1 Offset (Gain = 1)
100nF
RB
1k
1k
33nF
33nF
33nF
33nF
–5
CH1 OFFSET (0p5V_1X) (mV)
100nF
AVDD DVDD RESET
V1P
V1N
V2N
V2P
REF
V
ADE7763
0
IN/OUT
DD
AGND DGND
U1
CLKOUT
CLKIN
DOUT
SCLK
5
SAG
IRQ
DIN
CS
CF
ZX
100nF
10
NOT CONNECTED
TO SPI BUS
(USED ONLY FOR
CALIBRATION)
Y1
3.58MHz
22pF
PS2501-1
1
U3
0
15
F
22pF
TO
FREQUENCY
COUNTER
20