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ADE7751–SPECIFICATIONS
1, 2
(AV DD = DV DD = 5 V 5%, AGND = DGND = 0 V, On-Chip Reference,
CLKIN = 3.58 MHz, T MIN to T MAX = –40 C to +85 C.)
Parameter
Value
Unit
Test Conditions/Comments
ACCURACY 3
Measurement Error 1 on Channels 1 and 2
One Channel with Full-Scale Signal ( ± 660 mV)
Gain = 1
Gain = 2
Gain = 8
Gain = 16
Phase Error 1 between Channels
V1 Phase Lead 37 °
(PF = 0.8 Capacitive)
V1 Phase Lag 60 °
(PF = 0.5 Inductive)
AC Power Supply Rejection 1
Output Frequency Variation (CF)
0.1
0.1
0.1
0.1
± 0.1
± 0.1
0.2
% Reading typ
% Reading typ
% Reading typ
% Reading typ
Degrees( ° ) max
Degrees( ° ) max
% Reading typ
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
Line Frequency = 45 Hz to 55 Hz
AC/ DC = 0 and AC/ DC = 1
AC/ DC = 0 and AC/ DC = 1
AC/ DC = 1, S0 = S1 = 1, G0 = G1 = 0
V1 = 100 mV rms, V2 = 100 mV rms @ 50 Hz
Ripple on AV DD of 200 mV rms @ 100 Hz
DC Power Supply Rejection 1
AC/ DC = 1, S0 = S1 = 1, G0 = G1 = 0
Output Frequency Variation (CF)
FAULT DETECTION 1, 4
± 0.3
% Reading typ
V1 = 100 mV rms, V2 = 100 mV rms,
AV DD = DV DD = 5 V ± 250 mV
See Fault Detection Section
Fault Detection Threshold
Inactive i/p <> Active i/p
12.5
% typ
(V1A or V1B Active)
Input Swap Threshold
Inactive i/p > Active i/p
14
% of Active typ
(V1A or V1B Active)
Accuracy Fault Mode Operation
V1A Active, V1B = AGND
V1B Active, V1A = AGND
Fault Detection Delay
Swap Delay
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
Bandwidth
ADC Offset Error 1
0.1
0.1
3
3
± 1
390
14
± 25
% Reading typ
% Reading typ
Second typ
Second typ
V max
k ? min
kHz typ
mV max
Over a Dynamic Range 500 to 1
Over a Dynamic Range 500 to 1
See Analog Inputs Section
V1A, V1B, V1N, V2N, and V2P to AGND
CLKIN = 3.58 MHz
CLKIN/256, CLKIN = 3.58 MHz
See Terminology and Typical Performance
Characteristics
Gain Error 1
± 10
% Ideal typ
External 2.5 V Reference, Gain = 1,
V1 = V2 = 660 mV dc
Gain Error Match 1
± 0.4
% Ideal typ
External 2.5 V Reference
REFERENCE INPUT
REF IN/OUT Input Voltage Range
Input Impedance
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
CLKIN
Input Clock Frequency
2.7
2.3
3.2
10
± 200
± 30
4
1
V max
V min
k ? min
pF max
mV max
ppm/ ° C typ
MHz max
MHz min
2.5 V + 8%
2.5 V – 8%
Nominal 2.5 V
Note All Specifications for CLKIN of 3.58 MHz
LOGIC INPUTS 4
SCF, S0, S1, AC/ DC ,
RESET , G0, and G1
Input High Voltage, V INH
Input Low Voltage, V INL
Input Current, I IN
Input Capacitance, C IN
2.4
0.8
± 3
10
V min
V max
μ A max
pF max
–2 –
DV DD = 5 V ± 5%
DV DD = 5 V ± 5%
Typically 10 nA, V IN = 0 V to DV DD
REV. 0
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