Datasheet

ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
Rev. B | Page 52 of 152
PGA1
ADC
I
P
I
N
I
REFERENCE
×1, ×2, ×4
×8, ×16
{GAIN[2:0]}
HPF
DIGITAL
INTEGRATOR*
dt
MODE1[5]
CURRENT RMS (I
rms
)
CALCULATION
WAVEFORM SAMPLE
REGISTER
ACTIVE AND REACTIVE
POWER CALCULATION
0V
V1
ANALOG
INPUT
RANGE
0.25V, 0.125V,
62.5mV, 31.3mV
CURRENT CHANNEL
WAVEFORM
DATA RANGE
0x28F5C2
0x000000
0xD70A3E
CURRENT CHANNEL
WAVEFORM
DATA RANGE AFTER
INTEGRATOR (50Hz)
0x342CD0
0x000000
0xCBD330
CURRENT CHANNEL
WAVEFORM
DATA RANGE AFTER
INTEGRATOR (60Hz)
0x2B7850
0x000000
0xD487B0
60Hz
50Hz
*WHEN DIGITAL INTEGRATOR IS ENABLED, FULL-SCALE OUTPUT DATA IS ATTENUATED
DEPE
NDING ON THE SIGNAL FREQUENCY BECAUSE THE INTEGRATOR HAS A –20dB/DECADE
FREQUENCY RESPONSE. WHEN DISABLED, THE OUTPUT IS NOT FURTHER ATTENUATED.
NOT AVAILABLE IN THE ADE7566.
06353-023
Figure 46. ADC and Signal Processing in Current Channel with PGA1 = 1, 2, 4, 8, or 16 for the ADE7566 and ADE7569
PGA1
ADC
I
PA
I
PB
I
N
I
REFERENCE
IBGAIN
×1, ×2, ×4
×8, ×16
{GAIN[2:0]}
HPF
DIGITAL
INTEGRATOR*
dt
MODE1[5]
CURRENT RMS (I
rms
)
CALCULATION
WAVEFORM SAMPLE
REGISTER
ACTIVE AND REACTIVE
POWER CALCULATION
0V
V1
ANALOG
INPUT
RANGE
0.25V, 0.125V,
62.5mV, 31.3mV
CURRENT CHANNEL
WAVEFORM
DATA RANGE
0x28F5C2
0x000000
0xD70A3E
CURRENT CHANNEL
WAVEFORM
DATA RANGE AFTER
INTEGRATOR (50Hz)
0x342CD0
0x000000
0xCBD330
CURRENT CHANNEL
WAVEFORM
DATA RANGE AFTER
INTEGRATOR (60Hz)
0x2B7850
0x000000
0xD487B0
60Hz
50Hz
*WHEN DIGITAL INTEGRATOR IS ENABLED, FULL-SCALE OUTPUT DATA IS ATTENUATED
DEPENDING ON THE SIGNAL FREQUENCY BECAUSE THE INTEGRATOR HAS A –20dB/DECADE
FREQUENCY RESPONSE. WHEN DISABLED, THE OUTPUT IS NOT FURTHER ATTENUATED.
NOT AVAILABLE IN THE ADE7116, ADE7156, OR ADE7166.
06353-117
PGA1
ADC
HPF
Figure 47. ADC and Signal Processing in Current Channel with PGA1 = 2, 4, 8, or 16 for the ADE7116, ADE7156, ADE7166, and ADE7169