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Analog Devices Semiconductor Electronic Components Datasheet

ADE7754 Datasheet

Polyphase Multifunction Energy Metering IC

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Polyphase Multifunction
Energy Metering IC with Serial Port
ADE7754
FEATURES
High Accuracy, Supports IEC 687/61036
Compatible with 3-Phase/3-Wire, 3-Phase/4-Wire
and any Type of 3-Phase Services
Less than 0.1% Error in Active Power Measurement over a
Dynamic Range of 1000 to 1
Supplies Active Energy, Apparent Energy, Voltage RMS,
Current RMS, and Sampled Waveform Data
Digital Power, Phase, and Input Offset Calibration
On-Chip Temperature Sensor (؎4؇C Typical after Calibration)
On-Chip User Programmable Thresholds for Line Voltage
SAG and Overdrive Detections
SPI Compatible Serial Interface with Interrupt
Request Line (IRQ)
Pulse Output with Programmable Frequency
Proprietary ADCs and DSP Provide High Accuracy over
Large Variations in Environmental Conditions and Time
Single 5 V Supply
GENERAL DESCRIPTION
The ADE7754 is a high accuracy polyphase electrical energy
measurement IC with a serial interface and a pulse output. The
ADE7754 incorporates second order Σ-ADCs, reference
circuitry, temperature sensor, and all the signal processing
required to perform active, apparent energy measurements, and
rms calculation.
The ADE7754 provides different solutions for measuring active
and apparent energy from the six analog inputs, thus enabling
the use of the ADE7754 in various power meter services such as
3-phase/4-wire, 3-phase/3-wire, and 4-wire delta.
In addition to rms calculation, active and apparent power infor-
mation, the ADE7754 provides system calibration features for
each phase (i.e., channel offset correction, phase calibration,
and gain calibration). The CF logic output provides instanta-
neous active power information.
The ADE7754 has a waveform sample register that enables
access to ADC outputs. The part also incorporates a detection
circuit for short duration low or high voltage variations. The
voltage threshold levels and the duration (number of half line
cycles) of the variation are user programmable.
A zero-crossing detection is synchronized with the zero-crossing
point of the line voltage of each of the three phases. The infor-
mation collected is used to measure each line’s period. It is also
used internally to the chip in the line active energy and line
apparent energy accumulation modes. This permits faster and
more accurate calibration of the power calculations. This signal
is also useful for synchronization of relay switching.
Data is read from the ADE7754 via the SPI serial interface. The
interrupt request output (IRQ) is an open-drain, active low
logic output. The IRQ output goes active low when one or more
interrupt events have occurred in the ADE7754. A status regis-
ter indicates the nature of the interrupt.
The ADE7754 is available in a 24-lead SOIC package.
IAP
IAN
VAP
IBP
IBN
VBP
ICP
ICN
VCP
VN
REV. 0
PGA1
PGA2
ADC
ADC
PGA1
PGA2
ADC
ADC
PGA1
PGA2
ADC
ADC
4k
2.4V REF
FUNCTIONAL BLOCK DIAGRAM
RESET
AVDD
AVGAIN
X2
AAPGAIN HPF
X2
APHCAL
BVGAIN
X2
BAPGAIN HPF
X2
BPHCAL
CVGAIN
X2
CAPGAIN HPF
X2
CPHCAL
AVRMSOS
AIRMSOS
AVAG
LPF2
AAPOS
BVRMSOS
BIRMSOS
|X|
AWG ABS
BVAG
LPF2
BAPOS
CVRMSOS
CIRMSOS
BWG
|X|
ABS
CVAG
LPF2
CAPOS
CWG
TEMP
SENSOR
|X|
ABS
ADC
POWER SUPPLY
MONITOR
ADE7754
CFNUM
،DFC
CFDEN
% WDIV % VADIV
ADE7754 REGISTERS AND
SERIAL INTERFACE
AGND
REFIN/OUT
DIN DOUT SCLK CS IRQ
CF
DVDD
DGND
CLKIN
CLKOUT
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. 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 companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

ADE7754 Datasheet

Polyphase Multifunction Energy Metering IC

No Preview Available !

ADE7754* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
View a parametric search of comparable parts.
EVALUATION KITS
ADE7754 Evaluation Board
DOCUMENTATION
Application Notes
AN-1334: Impact of Adding a Neutral Attenuation
Network in a 3P4W Wye System
AN-624: Calibration of a 3-Phase Energy Meter Board on
the ADE7754
AN-639: Frequently Asked Questions (FAQs) Analog
Devices Energy (ADE) Products
delete
Data Sheet
ADE7754: Polyphase Multifunction Energy Metering IC
With Serial Port Data Sheet
SOFTWARE AND SYSTEMS REQUIREMENTS
ADE7754 Calibration Software Download
REFERENCE MATERIALS
Technical Articles
Digital Energy Meters by the Millions
green-techZONE Reviews the ADE7754
How Solid Is Your Solid-State Energy Meter? Not All Ics Are
Created Equal.
IC Technology and Failure Mechanisms - Understanding
Reliability Standards Can Raise Quality of Meters
Measuring Harmonic Energy with a Solid State Energy
Meter
Measuring Reactive Power in Energy Meters
RF Meets Power Lines: Designing Intelligent Smart Grid
Systems that Promote Energy Efficiency
Solid State Solutions For Electricity Metrology
Tapping The Potential Of Electronic Energy Metering
Trusting Integrated Circuits in Metering Applications
DESIGN RESOURCES
ADE7754 Material Declaration
PCN-PDN Information
Quality And Reliability
Symbols and Footprints
DISCUSSIONS
View all ADE7754 EngineerZone Discussions.
SAMPLE AND BUY
Visit the product page to see pricing options.
TECHNICAL SUPPORT
Submit a technical question or find your regional support
number.
DOCUMENT FEEDBACK
Submit feedback for this data sheet.
This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not
trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified.


Part Number ADE7754
Description Polyphase Multifunction Energy Metering IC
Maker Analog Devices
Total Page 30 Pages
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