Datasheet

Data Sheet ADE7816
Rev. A | Page 3 of 48
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.
Table 1.
Parameter
1, 2
Min Typ Max Unit Test Conditions/Comments
ACCURACY
Active Energy Measurement
Active Energy Measurement Error
(per Channel)
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
Phase Error Between Channels Line frequency = 45 Hz to 65 Hz, HPF on
Power Factor (PF) = 0.8 Capacitive ±0.05 Degrees Phase lead = 37°
PF = 0.5 Inductive ±0.05 Degrees Phase lag = 60°
AC Power Supply Rejection VDD = 3.3 V + 120 mV rms/120 Hz, IxP = VP =
±100 mV rms
Energy Register Variation 0.01 %
DC Power Supply Rejection VDD = 3.3 V ± 330 mV dc
Energy Register Variation 0.01 %
Total Active Energy Measurement Bandwidth 2 kHz
REACTIVE ENERGY MEASUREMENT
Reactive Energy Measurement Error
(per Channel)
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
Phase Error Between Channels Line frequency = 45 Hz to 65 Hz, HPF on
PF = 0.8 Capacitive ±0.05 Degrees Phase lead = 37°
PF = 0.5 Inductive
±0.05
Degrees
Phase lag = 60°
AC Power Supply Rejection VDD = 3.3 V + 120 mV rms/120 Hz, IxP = VP =
±100 mV rms
Energy Register Variation 0.01 %
DC Power Supply Rejection VDD = 3.3 V ± 330 mV dc
Energy Register 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 0.1 % Over a dynamic range of 500 to 1; one second
of averaging (100 samples)
ANALOG INPUTS
Maximum Signal Levels ±500 mV peak Single-ended inputs between the following
pins: IAP and IAN, IBP and IBN, ICP and ICN,
IDP and IN, IEP and IN, IFP and IN.
Input Impedance (DC)
IAP, IAN, IBP, IBN, ICP, ICN, IDP, IEP, and IFP Pins 400 kΩ
IN Pin 130 kΩ
ADC Offset Error ±2 mV PGA = 1, uncalibrated error, see the Terminology
section
Gain Error ±4 % External 1.2 V reference