ADE5166 datasheet(45/148 Pages) AD

45 / 148 page

Preliminary Technical Data

ADE5166/ADE5169/ADE5566/ADE5569

Rev. PrB | Page 45 of 148

×1, ×2, ×4,

×8, ×16

ADC

IPA

PGA1

{GAIN[2:0]}

HPF

ADC

IBP

PGA1

HPF

IBGAIN[11:0]

ADC

DFC

MULTIPLIER

INTEGRATOR

WATTOS[15:0]

VAGAIN[11:0]

VADIV[7:0]

IRMSOS[11:0]

VRMSOS[11:0]

WGAIN[11:0]

METERING SFRs

PGA2

CF1

WDIV[7:0]

VARDIV[7:0]

VAROS[15:0]

VARGAIN[11:0]

DFC

CF2NUM[15:0]

CF2DEN[15:0]

CF1DEN[15:0]

CF1NUM[15:0]

CF2

HPF

LPF

LPF2

Figure 25. ADC and Signal Processing in Current Channel with PGA1 = 2, 4, 8, or 16 for ADE5166 and ADE5169

ANALOG

INPUT

RANGE

HPF

ADC

REFERENCE

0.5V, 0.25V,

0.125V, 62.5mV,

31.3mV

VOLTAGE RMS (Vrms)

CALCULATION

PGA2

VOLTAGE CHANNEL

WAVEFORM

DATA RANGE

0xD70B

0x0000

0x28F5

ACTIVE AND REACTIVE

POWER CALCULATION

LPF1

f–3dB = 63.7Hz

MODE1[6]

ZX SIGNAL

DATA RANGE FOR 60Hz SIGNAL

0xE230

0x0000

0x1DD0

ZX DETECTION

ZX SIGNAL

DATA RANGE FOR 50Hz SIGNAL

0xDFC9

0x0000

0x2037

VOLTAGE PEAK DETECT

×1, ×2, ×4,

×8, ×16

{GAIN[7:5]}

WAVEFORM SAMPLE

Figure 26. ADC and Signal Processing in Voltage Channel

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