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ADE7763ARS 数据表(PDF) 12 Page - Analog Devices

部件名 ADE7763ARS
功能描述  Single-Phase Active and Apparent Energy Metering IC
PDF  56 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7763ARS 数据表(HTML) 12 Page - Analog Devices

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ADE7763
Rev. A | Page 12 of 56
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
FULL-SCALE CURRENT (%)
0.1
10
1
100
GAIN = 8
INTEGRATOR ON
INTERNAL REFERENCE
5.25V
5.00V
4.75V
Figure 18. Active Energy Error as a Percentage of Reading (Gain = 8)
over Power Supply with Internal Reference and Integrator On
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
FULL-SCALE CURRENT (%)
0.1
10
1
100
GAIN = 8
INTEGRATOR ON
INTERNAL REFERENCE
PF = 0.5
PF = 1
Figure 19. IRMS Error as a Percentage of Reading (Gain = 8)
with Internal Reference and Integrator On
0
2
4
6
8
10
12
14
16
–15
–10
–5
0
5
10
15
20
CH1 OFFSET (0p5V_1X) (mV)
Figure 20. Channel 1 Offset (Gain = 1)
VDD
10
µF
10
µF
10
µF
100nF
100nF
AVDD DVDD RESET
DIN
DOUT
SCLK
CS
CLKOUT
CLKIN
IRQ
SAG
ZX
CF
AGND DGND
V1P
V1N
V2N
V2P
REFIN/OUT
U1
ADE7763
TO SPI BUS
(USED ONLY FOR
CALIBRATION)
22pF
22pF
Y1
3.58MHz
NOT CONNECTED
U3
PS2501-1
I
di/dt CURRENT
SENSOR
100
Ω
1k
Ω
33nF
33nF
100
Ω
1k
Ω
33nF
33nF
1k
Ω 33nF
600k
Ω
110V
1k
Ω
33nF
100nF
CHANNEL 1 GAIN = 8
CHANNEL 2 GAIN = 1
TO
FREQUENCY
COUNTER
Figure 21. Test Circuit for Performance Curves with Integrator On
CT TURN RATIO = 1800:1
CHANNEL 2 GAIN = 1
RB
10
Ω
1.21
Ω
GAIN 1 (CH1)
1
8
NOT CONNECTED
VDD
10
µF1 µF
100nF
100nF
DIN
DOUT
SCLK
CS
CLKOUT
CLKIN
IRQ
SAG
ZX
CF
AGND DGND
V1P
V1N
V2N
V2P
REFIN/OUT
U1
ADE7763
TO SPI BUS
(USED ONLY FOR
CALIBRATION)
22pF
22pF
Y1
3.58MHz
U3
PS2501-1
I
CURRENT
TRANSFORMER
1k
Ω
33nF
1k
Ω
33nF
1k
Ω 33nF
600k
Ω
0
RB
110V
1k
Ω
33nF
10
µF
100nF
TO
FREQUENCY
COUNTER
AVDD DVDD RESET
Figure 22. Test Circuit for Performance Curves with Integrator Off



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