Datasheet

ADE7953 Data Sheet
Rev. B | Page 4 of 72
SPECIFICATIONS
VDD = 3.3 V ± 10%, AGND = DGND = 0 V, o n -chip reference, CLKIN = 3.58 MHz, T
MIN
to T
MAX
= −40°C to +85°C, Register Address 0x120
set to 0x30, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
PHASE ERROR BETWEEN CHANNELS
Line frequency = 45 Hz to 65 Hz, HPF on
Power Factor = 0.8 Capacitive ±0.05 Degrees Phase lead 37°
Power Factor = 0.5 Inductive ±0.05 Degrees Phase lag 60°
ACTIVE ENERGY MEASUREMENT
Active Energy Measurement Error
(Current Channel A)
0.1 % Over a dynamic range of 3000:1, PGA = 1,
PGA = 22, integrator off
Active Energy Measurement Error
(Current Channel B)
0.1 % Over a dynamic range of 1000:1, PGA = 1,
PGA = 16, integrator off
AC Power Supply Rejection VDD = 3.3 V ± 120 mV rms, 100 Hz
Output Frequency Variation 0.01 %
DC Power Supply Rejection VDD = 3.3 V ± 330 mV dc
Output Frequency Variation 0.01 %
Active Energy Measurement Bandwidth 1.23 kHz −3 db
REACTIVE ENERGY MEASUREMENT
Reactive Energy Measurement Error
(Current Channel A)
0.1 % Over a dynamic range of 3000:1, PGA = 1,
PGA = 22, integrator off
Reactive Energy Measurement Error
(Current Channel B)
0.1 % Over a dynamic range of 1000:1, PGA = 1,
PGA = 16, integrator off
AC Power Supply Rejection VDD = 3.3 V ± 120 mV rms, 100 Hz
Output Frequency Variation 0.01 %
DC Power Supply Rejection VDD = 3.3 V ± 330 mV dc
Output Frequency Variation 0.01 %
Reactive Energy Measurement
Bandwidth
1.23
kHz
−3 db
RMS MEASUREMENT
IRMS and VRMS Measurement
Bandwidth
1.23 kHz
IRMS (Current Channel A) Measurement
Error
0.2 % Over a dynamic range of 1000:1, PGA = 1,
PGA = 22, integrator off
IRMS (Current Channel B) and VRMS
Measurement Error
0.2 % Over a dynamic range of 500:1, PGA = 1,
PGA = 16, integrator off
ANALOG INPUTS
Maximum Signal Levels ±500 mV peak Differential inputs: IAP to IAN, IBP to IBN
±500
mV peak
Single-ended input: VP to VN, IBP to IBN
±250 mV peak Single-ended input: IAP to IAN
Input Impedance (DC)
IAP Pin 50 MΩ
IAN Pin 50 MΩ
IBP, IBN, VP, VN Pins 540 kΩ
ADC Offset Error
Uncalibrated error (see the Terminology
section)
Current Channel B, Voltage Channel 0 ±10 mV
Current Channel A −12 mV PGA = 1
−1 mV PGA = 16, PGA = 22
Gain Error External 1.2 V reference
Current Channel A ±3 %
Current Channel B ±3 %
Voltage Channel ±3 %