ADE7758
SPECIFICATIONS
AVDD = DVDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz XTAL, T
MIN
to T
MAX
= −40°C to +85°C.
Table 1.
Parameter
ACCURACY
Active Energy Measurement Error
(per Phase)
Phase Error between Channels
(PF = 0.8 Capacitive)
(PF = 0.5 Inductive)
AC Power Supply Rejection
Output Frequency Variation
DC Power Supply Rejection
Output Frequency Variation
Active Power Measurement Bandwidth
IRMS Measurement Error
IRMS Measurement Bandwidth
VRMS Measurement Error
VRMS Measurement Bandwidth
ANALOG INPUTS
Maximum Signal Levels
Input Impedance (DC)
ADC Offset Error
Gain Error
WAVEFORM SAMPLING
Current Channels
Signal-to-Noise Plus Distortion
Bandwidth (−3 dB)
Voltage Channels
Signal-to-Noise Plus Distortion
Bandwidth (−3 dB)
REFERENCE INPUT
REF
IN/OUT
Input Voltage Range
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Current Source
Output Impedance
Temperature Coefficient
CLKIN
Input Clock Frequency
LOGIC INPUTS
DIN, SCLK, CLKIN, and CS
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN
Specification
0.1
Unit
% typ
Test Conditions/Comments
Over a dynamic range of 1000 to 1
Line frequency = 45 Hz to 65 Hz, HPF on
Phase lead 37°
Phase lag 60°
AVDD = DVDD = 5 V + 175 mV rms/120 Hz
V1P = V2P = V3P = 100 mV rms
AVDD = DVDD = 5 V ± 250 mV dc
V1P = V2P = V3P = 100 mV rms
Over a dynamic range of 500:1
Over a dynamic range of 20:1
See the Analog Inputs section
Differential input
Uncalibrated error, see the Terminology section
External 2.5 V reference
Sampling CLKIN/128, 10 MHz/128 = 78.1 kSPS
See the Current Channel ADC section
±0.05
±0.05
0.01
0.01
14
0.5
14
0.5
260
±500
380
30
±6
°max
°max
% typ
% typ
kHz
% typ
kHz
% typ
Hz
mV max
kΩ min
mV max
% typ
62
14
62
180
2.7
2.3
10
±200
6
4
30
15
5
dB typ
kHz
See the Voltage Channel ADC section
dB typ
Hz
V max
V min
pF max
mV max
µA max
kΩ min
ppm/°C typ
All specifications CLKIN of 10 MHz
MHz max
MHz min
2.5 V + 8%
2.5 V – 8%
Nominal 2.4 V at REF
IN/OUT
pin
2.4
0.8
±3
10
V min
V max
µA max
pF max
DVDD = 5 V ± 5%
DVDD = 5 V ± 5%
Typical 10 nA, V
IN
= 0 V to DVDD
Rev. A | Page 5 of 68
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