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ADE7569 Datasheet(PDF) 49 Page - Analog Devices

Part # ADE7569
Description  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  144 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADE7569 Datasheet(HTML) 49 Page - Analog Devices

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ADE7566/ADE7569/ADE7166/ADE7169
Rev. A | Page 49 of 144
PGA1
ADC
IPA
IBP
IN
I
REFERENCE
IBGAIN
×1, ×2, ×4
×8, ×16
{GAIN[2:0]}
HPF
DIGITAL
INTEGRATOR*
dt
MODE 1[5]
CURRENT RMS (Irms)
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.
PGA1
ADC
HPF
Figure 46. ADC and Signal Processing in Current Channel with PGA1 = 2, 4, 8, or 16 for ADE7166 and ADE7169
ANALOG
INPUT
RANGE
HPF
ADC
REFERENCE
V2
0V
0.5V, 0.25V,
0.125V, 62.5mV,
31.3mV
VOLTAGE RMS (Vrms)
CALCULATION
VP
VN
PGA2
V2
VOLTAGE CHANNEL
WAVEFORM
DATA RANGE
0xD70B
0x0000
0x28F5
ACTIVE AND REACTIVE
POWER CALCULATION
LPF1
f–3dB = 63.7Hz
MODE 1[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
REGISTER
*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.
Figure 47. ADC and Signal Processing in Voltage Channel



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