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ADE7923 PDF 데이터시트 ( Data , Function )

부품번호 ADE7923 기능
기능 Isolated Energy Metering Chipset
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ADE7923 데이터시트, 핀배열, 회로
Data Sheet
Isolated Energy Metering Chipset
for Polyphase Shunt Meters
ADE7978/ADE7933/ADE7932/ADE7923
FEATURES
Flexible I2C, SPI, and HSDC serial interfaces
Enables shunt current sensors in polyphase energy meters
Immune to magnetic tampering
Highly accurate; supports EN 50470-1, EN 50470-3,
IEC 62053-21, IEC 62053-22, IEC 62053-23, ANSI C12.20,
and IEEE 1459 standards
Compatible with 3-phase, 3- or 4-wire (delta or wye) meters
and other 3-phase services
Computes active, reactive, and apparent energy on each
phase and on the overall system
Less than 0.2% error in active and reactive energy over
Safety and regulatory approvals (pending)
UL recognition
5000 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
IEC 61010-1: 400 V rms
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 846 V peak
Optional isolated (ADE7933/ADE7932) or nonisolated
(ADE7923) neutral
a dynamic range of 2000 to 1 at TA = 25°C
APPLICATIONS
Less than 0.1% error in voltage rms over a dynamic range
of 500 to 1 at TA = 25°C
Less than 0.25% error in current rms over a dynamic range
of 500 to 1 at TA = 25°C
Power quality measurements including total harmonic
distortion (THD)
Single 3.3 V supply
Operating temperature: −40°C to +85°C
Shunt-based polyphase meters
Power quality monitoring
Solar inverters
Process monitoring
Protective devices
Isolated sensor interfaces
Industrial PLCs
TYPICAL APPLICATION CIRCUIT
PHASE PHASE PHASE
NEUTRAL
A
B
C
ISOLATION
BARRIER
LOAD
V1P
VM
IM PHASE A
ADE7932/
IP ADE7933
V2P
3.3V
GNDISO_A
GNDMCU
V1P
VM
IM PHASE B
ADE7932/
IP ADE7933
V2P
3.3V
GNDISO_B
GNDMCU
V1P
VM
IM PHASE C
ADE7932/
IP ADE7933
V2P
3.3V
GNDISO_C
GNDMCU
V1P
VM
NEUTRAL
LINE
IM ADE7923
(OPTIONAL,
NONISOLATED)
IP
V2P
3.3V
GNDMCU
ADE7978
ENERGY
METERING
IC
3.3V
I2C/HSDC OR SPI
IRQ0, IRQ1
GNDMCU
3.3V
GNDMCU
Figure 1. 3-Phase, 4-Wire Meter with Three ADE7933/ADE7932 Devices, One ADE7923, and One ADE7978
1 Protected by U.S. Patents 5,952,849; 6,873,065; 7,075,329; 6,262,600; 7,489,526; and 7,558,080. Other patents are pending.
Rev. A
Document Feedback
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rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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Tel: 781.329.4700 ©2013–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




ADE7923 pdf, 반도체, 판매, 대치품
ADE7978/ADE7933/ADE7932/ADE7923
REVISION HISTORY
12/14—Rev. 0 to Rev. A
Added ADE7923.................................................................Universal
Reorganized Layout............................................................Universal
Changes to Features Section and Figure 1..................................... 1
Changes to General Description Section ...................................... 3
Moved Revision History Section .................................................... 4
Changes to Figure 3 and Figure 4................................................... 7
Added Figure 5; Renumbered Sequentially .................................. 8
Changes to Table 1............................................................................ 8
Changes to Table 6.......................................................................... 14
Change to Climatic Classification Parameter, Table 8............... 15
Added ADE7923 Specifications Section and Table 10;
Renumbered Sequentially.............................................................. 17
Changes to Table 14........................................................................ 20
Changes to Figure 12...................................................................... 23
Added Figure 13 and Table 16 ...................................................... 24
Added Total Enery Linearity over Supple and Temperature
Section.............................................................................................. 25
Changes to Figure 17, Figure 18, and Figure 19 ......................... 25
Added Fundamental Energy and RMS Linearity with Fifth
Harmonic over Supply and Temperature Section ...................... 26
Changes to Figure 21 and Figure 24............................................. 26
Added Total Energy Error over Frequency Section ................... 27
Added RMS Linearity over Temperature and RMS Error over
Frequency Section .......................................................................... 28
Added Energy Linearity Repeatability Section........................... 29
Changes to Figure 36...................................................................... 30
Change to Crosstalk Section ......................................................... 32
Data Sheet
Changes to Figure 41...................................................................... 34
Changes to Oversampling Section ............................................... 35
Changes to Figure 45...................................................................... 36
Changes to Current Waveform Gain Registers Section ............ 37
Changes to Voltage Channel ADCs Section ............................... 38
Changes to Figure 49...................................................................... 69
Changes to Reference Circuits Section........................................ 43
Change to Figure 87 ....................................................................... 73
Change to DC-to-DC Converter Section.................................... 81
Changes to Figure 101 ................................................................... 83
Changes to Figure 102 ................................................................... 84
Changes to Applications Information Section, Figure 103,
Figure 104, and ADE7978, ADE7933/ADE7932 and ADE7923 in
Polyphase Energy Meters Section.......................................................... 86
Added Difference Between the ADE7923 and the
ADE7933/ADE7932 Section................................................................... 86
Changes to Figure 105............................................................................... 87
Changes to Layout Guidelines Section ................................................. 92
Changes to Figure 115 and Figure 116.................................................. 93
Changes to Figure 117 and Figure 118.................................................. 94
Changes to Figure 119............................................................................... 95
Changes to Table 61.................................................................................122
Updated Outline Dimensions...............................................................123
Added Figure 145.....................................................................................124
Changes to Ordering Guide .................................................................. 124
11/13—Revision 0: Initial Version
Rev. A | Page 4 of 124

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ADE7923 전자부품, 판매, 대치품
Data Sheet
VDDISO
GNDISO
1
2
LDO 8
3
V2P
5
VM
V1P
IM
IP
REF
4
6
7
9
10
GNDISO
VDDISO
GNDISO
1
2
LDO 8
V2P 3
VM 5
V1P
IM
IP
REF
4
6
7
9
GNDISO 10
ADE7978/ADE7933/ADE7932/ADE7923
ISOLATION
BARRIER
ADE7933
LDO
TEMP
SENSOR
ADC
ADC
ADC
VREF
POWER
ISOLATION
DATA
CLOCK
DATA
ISOLATION
DATA
CLOCK
DIGITAL
BLOCK
AND
ADE7978
INTERFACE
Figure 3. ADE7933 Functional Block Diagram
19 VDD
20 GND
18 EMI_CTRL
17 V2/TEMP
16
RESET_EN
15 DATA
14 XTAL2
13 XTAL1
12
SYNC
11 GND
LDO
ISOLATION
BARRIER
POWER
ISOLATION
ADE7932
19 VDD
20 GND
TEMP
SENSOR
AND
ADC
ADC
ADC
DATA
DATA
ISOLATION
CLOCK
DATA
CLOCK
DIGITAL
BLOCK
AND
ADE7978
INTERFACE
VREF
Figure 4. ADE7932 Functional Block Diagram
18 EMI_CTRL
17 V2/TEMP
16 RESET_EN
15 DATA
14 XTAL2
13 XTAL1
12 SYNC
11 GND
VDD
GND
1
2
ADE7923
19 VDD
20 GND
LDO 8
LDO
V2P 3
VM 5
V1P
IM
IP
REF
4
6
7
9
GND 10
TEMP
SENSOR
ADC
ADC
ADC
VREF
DIGITAL
BLOCK
AND
ADE7978
INTERFACE
18 PULL_LOW
17 V2/TEMP
16 RESET_EN
15 DATA
14 XTAL2
13 XTAL1
12 SYNC
11 GND
Figure 5. ADE7923 Functional Block Diagram
Rev. A | Page 7 of 124

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부품번호상세설명 및 기능제조사
ADE7923

Isolated Energy Metering Chipset

Analog Devices
Analog Devices

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