Datasheet

Data Sheet ADE7854/ADE7858/ADE7868/ADE7878
Rev. G | Page 9 of 100
SPECIFICATIONS
VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 16.384 MHz, T
MIN
to T
MAX
= −40°C to +85°C, T
TYP
= 25°C.
Table 2.
Parameter
1, 2
Min Typ Max Unit Test Conditions/Comments
ACCURACY
Active Energy Measurement
Active Energy Measurement Error
(per Phase)
Total Active Energy 0.1 %
Over a dynamic range of 1000 to 1, PGA = 1, 2, 4;
integrator off
0.2 %
Over a dynamic range of 3000 to 1, PGA = 1, 2, 4;
integrator off
0.1 %
Over a dynamic range of 500 to 1, PGA = 8, 16;
integrator on
Fundamental Active Energy
(ADE7878 Only)
0.1 %
Over a dynamic range of 1000 to 1, PGA = 1, 2, 4;
integrator off
0.2
%
Over a dynamic range of 3000 to 1, PGA = 1, 2, 4;
integrator off
0.1 %
Over a dynamic range of 500 to 1, PGA = 8, 16;
integrator on
AC Power Supply Rejection
VDD = 3.3 V + 120 mV rms/120 Hz/100 Hz, IPx =
VPx = ±100 mV rms
Output Frequency Variation
0.01
%
DC Power Supply Rejection
VDD = 3.3 V ± 330 mV dc; IPx = VPx =
±100 mV rms
Output Frequency Variation 0.01 %
Total Active Energy Measurement
Bandwidth
2 kHz
REACTIVE ENERGY MEASUREMENT
(ADE7858, ADE7868, AND ADE7878)
Reactive Energy Measurement Error
(per Phase)
Total Reactive Energy 0.1 %
Over a dynamic range of 1000 to 1, PGA = 1, 2, 4;
integrator off
0.2 %
Over a dynamic range of 3000 to 1, PGA = 1, 2, 4;
integrator off
0.1
%
Over a dynamic range of 500 to 1, PGA = 8, 16;
integrator on
Fundamental Reactive Energy
(ADE7878 Only)
0.1 %
Over a dynamic range of 1000 to 1, PGA = 1, 2, 4;
integrator off
0.2 %
Over a dynamic range of 3000 to 1, PGA = 1, 2, 4;
integrator off
0.1
%
Over a dynamic range of 500 to 1, PGA = 8, 16;
integrator on
AC Power Supply Rejection
VDD = 3.3 V + 120 mV rms/120 Hz/100 Hz, IPx =
VPx = ±100 mV rms
Output Frequency Variation 0.01 %
DC Power Supply Rejection
VDD = 3.3 V ± 330 mV dc; IPx = VPx =
±100 mV rms
Output Frequency Variation 0.01 %
Total Reactive Energy Measurement
Bandwidth
2 kHz
RMS MEASUREMENTS
I rms and V rms Measurement
Bandwidth
2 kHz
I rms and V rms Measurement Error
(PSM0 Mode)
0.1 % Over a dynamic range of 1000 to 1, PGA = 1