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ADE7755
SPECIFICATIONS
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.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
ACCURACY 1, 2
Measurement Error 1 on Channel 1
Channel 2 with full-scale signal (±660 mV), 25°C
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
0.2
±0.1
±0.1
% reading
% reading
% reading
% reading
Degrees
Degrees
% reading
Over a dynamic range of 500 to 1
Over a dynamic range of 500 to 1
Over a dynamic range of 500 to 1
Over a dynamic range of 500 to 1
Line frequency = 45 Hz to 65 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)
±0.3
% reading
V1 = 100 mV rms, V2 = 100 mV rms,
AV DD = DV DD = 5 V ± 250 mV
ANALOG INPUTS
See the Analog Inputs section
Maximum Signal Levels
Input Impedance (DC)
?3 dB Bandwidth
ADC Offset Error 1, 2
Gain Error 1
390
14
±7
±1
±25
V
kΩ
kHz
mV
% ideal
V1P, V1N, V2N, and V2P to AGND
CLKIN = 3.58 MHz
CLKIN/256, CLKIN = 3.58 MHz
Gain = 1 1, 2
External 2.5 V reference, gain = 1
V1 = 470 mV dc, V2 = 660 mV dc
Gain Error Match 1
±0.2
% ideal
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
2.3
3.2
1
±30
2.7
10
±200
4
V
V
kΩ
pF
mV
ppm/°C
MHz
MHz
2.5 V + 8%
2.5 V ? 8%
Nominal 2.5 V
Note all specifications for CLKIN of 3.58 MHz
LOGIC INPUTS 3
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
V
μA
pF
DV DD = 5 V ± 5%
DV DD = 5 V ± 5%
Typically 10 nA, V IN = 0 V to DV DD
LOGIC OUTPUTS 3
F1 and F2
Output High Voltage, V OH
Output Low Voltage, V OL
4.5
0.5
V
V
I SOURCE = 10 mA, DV DD = 5 V
I SINK = 10 mA, DV DD = 5 V
CF and REVP
Output High Voltage, V OH
Output Low Voltage, V OL
4
0.5
V
V
I SOURCE = 5 mA, DV DD = 5 V
I SINK = 5 mA, DV DD = 5 V
Rev. A | Page 3 of 20
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