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參數(shù)資料
| 型號： | ADE7758ARWZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Poly Phase Multifunction Energy Metering IC with Per Phase Information |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | LEAD FREE, MS-013-AD, SOIC-24 |
| 文件頁數(shù)： | 1/68頁 |
| 文件大小： | 1584K |
| 代理商： | ADE7758ARWZ |
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Poly Phase Multifunction Energy Metering IC
with Per Phase Information
ADE7758
FEATURES
Rev.
A
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other 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. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
2004 Analog Devices, Inc. All rights reserved.
www.analog.com
High accuracy, supports IEC 60687, IEC 61036, IEC 61268,
IEC 62053-21, IEC 62053-22, and IEC 62053-23
Compatible with 3-phase/3-wire, 3-phase/4-wire, and other
3-phase services
Less than 0.1% active energy error over a dynamic range of
1000 to 1 at 25°C
Supplies active/reactive/apparent energy, voltage rms,
current rms, and sampled waveform data
Two pulse outputs, one for active power and the other
selectable between reactive and apparent power with
programmable frequency
Digital power, phase, and rms offset calibration
On-chip user programmable thresholds for line voltage SAG
and overvoltage detections
On-chip digital integrator enables direct interface-to-current
sensors with di/dt output
A PGA in the current channel allows direct interface to
shunts and current transformers
A SPI compatible serial interface with IRQ
Proprietary ADCs and DSP provide high accuracy over large
variations in environmental conditions and time
Reference 2.4 V (drift 30 ppm/°C typ) with external
overdrive capability
Single 5 V supply, low power (70 mW typ)
GENERAL DESCRIPTION
The ADE7758
1
is a high accuracy 3-phase electrical energy
measurement IC with a serial interface and two pulse outputs.
The ADE7758 incorporates second-order ∑- ADCs, a digital
integrator, reference circuitry, temperature sensor, and all the
signal processing required to perform active, reactive, and
apparent energy measurement and rms calculations.
The ADE7758 is suitable to measure active, reactive, and
apparent energy in various 3-phase configurations, such as
WYE or DELTA services, both with three or four wires. The
ADE7758 provides system calibration features for each phase,
i.e., rms offset correction, phase calibration, and power
calibration. The APCF logic output gives active power
information, and the VARCF logic output provides
instantaneous reactive or apparent power information.
FUNCTIONAL BLOCK DIAGRAM 0
PAND
PDATA
4
AVDD
POWER
12
REF
IN/OUT
11
AGND
ADC
–
+
9
ICP
10
ICN
PGA1
ADC
–
+
14
VCP
13
VN
PGA2
AACTIVE/REAFOR PHASE C
(SEE PHASE A FOR DETAILED SIGNAL PATH)
ADC
–
+
7
IBP
8
IBN
PGA1
ADC
–
+
15
VBP
PGA2
AACTIVE/REAFOR PHASE B
(SEE PHASE A FOR DETAILED SIGNAL PATH)
ADC
–
+
5
IAP
6
IAN
PGA1
ADC
–
+
16
VAP
PGA2
AIGAIN[11:0]
AVRMSGAIN[11:0]
AVAG[11:0]
X
2
APHCAL[6:0]
Φ
HPF
INTEGRATOR
dt
AVAROS[11:0]
AVARG[11:0]
LPF2
°
PHASE
SHI90
π
2
AWATTOS[11:0]
AWG[11:0]
LPF2
22
DIN
24
DOUT
23
SCLK
21
CS
18
IRQ
ADSERIAL INTERFACE
WDIV[7:0]
%
VARDIV[7:0]
%
VADIV[7:0]
%
AIRMSOS[11:0]
X
2
LPF
2.4V
4k
DFC
÷
APCFNUM[11:0]
APCFDEN[11:0]
ACTIVE POWER
1
APCF
3
DVDD
2
DGND
19
CLKIN
20
CLKOUT
DFC
VARCFNUM[11:0]
VARCFDEN[11:0]
REACTIVE OR
17
VARCF
ADE7758
÷
AVRMSOS[11:0]
1
Patents Pending.
Figure 1.
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| ADE7758ARWZRL | Poly Phase Multifunction Energy Metering IC with Per Phase Information |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADE7758ARWZ | 制造商:Analog Devices 功能描述:ENERGY METERING IC 制造商:Analog Devices 功能描述:IC, POLY-PHASE ENERGY METERING, SOIC-24 |
| ADE7758ARWZ | 制造商:Analog Devices 功能描述:IC ENERGY METER 3 PHASE SOIC-24 |
| ADE7758ARWZRL | 功能描述:IC ENERGY METERING 3PHASE 24SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:* |
| ADE7759 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Active Energy Metering IC with di/dt Sensor Interface |
| ADE7759ARS | 功能描述:IC ENERGY METERING 1PHASE 20SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:* |
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