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90E21 데이터시트(PDF) 8 Page - Integrated Device Technology

부품명 90E21
상세설명  Single-Phase High-Performance Wide-Span Energy Metering IC
PDF  57 Pages
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제조업체  IDT [Integrated Device Technology]
홈페이지  http://www.idt.com
Logo IDT - Integrated Device Technology

90E21 데이터시트(HTML) 8 Page - Integrated Device Technology

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90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Block Diagram
8
January 10, 2012
Figure-3 90E23 Block Diagram
Figure-4 90E24 Block Diagram
Reference Voltage
Power On Reset
Crystal Oscillator
3-wire or 4-wire SPI
Vref
I1P
I1N
VP
VN
L Line Forward/Reverse Active Power
L Line Apparent Power
L Line Irms
Vrms
I2P
I2N
MMD1
MMD0
CS SCLK SDO SDI
OSCI
OSCO
RESET
∑△
ADC
∑△
ADC
HPF1
HPF0
DSP Module
PGA
X1/X4/X8/
X16/X24
PGA
X1
∑△
ADC
PGA
X1/X2/X4
Active Energy
Pulse Output
CF1
HPF1
HPF0
HPF1
HPF0
N Line Forward/Reverse Active Power
N Line Apparent Power
N Line Irms
Power Factor/
Angle/Frequency
WarnOut/IRQ/ZX
ZX
IRQ
WarnOut
Reference Voltage
Power On Reset
Crystal Oscillator
3-wire or 4-wire SPI
Vref
I1P
I1N
VP
VN
L Line Forward/Reverse Active/
Reactive Power
L Line Apparent Power
L Line Irms
Vrms
I2P
I2N
MMD1
MMD0
CS SCLK SDO SDI
OSCI
OSCO
RESET
∑△
ADC
∑△
ADC
HPF1
HPF0
DSP Module
PGA
X1/X4/X8/
X16/X24
PGA
X1
∑△
ADC
PGA
X1/X2/X4
Active
Energy Pulse
Output
Reactive
Energy Pulse
Output
CF1
CF2
HPF1
HPF0
HPF1
HPF0
N Line Forward/Reverse Active/
Reactive Power
N Line Apparent Power
N Line Irms
Power Factor/
Angle/Frequency
WarnOut/IRQ/ZX
ZX
IRQ
WarnOut



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