ade7166 Analog Devices, Inc., ade7166 Datasheet - Page 39

• Manufacturer Part Number: ade7166
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
• Manufacturer: Analog Devices, Inc.

I
I AP
I N
I BP
×1, ×2, ×4,
×8, ×16
{GAIN[2:0]}
V 2P
V 2N
PGA1
PGA1
PGA2
ADC
ADC
ADC
HPF
HPF
IBGAIN[11:0]
PHCAL[7:0]
Figure 39. ADE7166 and ADE7169 Energy Metering Block Diagram
HPF
Ф
INTEGRATOR
dt
× 2
× 2
MULTIPLIER
VRMSOS[11:0]
IRMSOS[11:0]
LPF
LPF
π
2
Rev. A | Page 39 of 144
LPF2
WATTOS[15:0]
LPF2
WGAIN[11:0]
VAROS[15:0]
ADE7566/ADE7569/ADE7166/ADE7169
VADIV[7:0]
VARGAIN[11:0]
VAGAIN[11:0]
%
%
VARDIV[7:0]
METERING SFRs
%
WDIV[7:0]
DFC
DFC
CF1NUM[15:0]
CF1DEN[15:0]
CF2NUM[15:0]
CF2DEN[15:0]
CF2
CF1