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| 型号： | ADE7754ARZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/44页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 3PHASE 24SOIC |
| 标准包装： | 31 |
| 输入阻抗： | 370 千欧 |
| 测量误差： | 0.1% |
| 电压 - 高输入/输出： | 2.4V |
| 电压 - 低输入/输出： | 0.8V |
| 电流 - 电源： | 7mA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 测量仪表类型： | 3 相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 797 (CN2011-ZH PDF) |
| 配用： | EVAL-ADE7754EBZ-ND - BOARD EVALAUTION FOR ADE7754 |
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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
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.
and apparent energy from the six analog inputs, thus enabling
FUNCTIONAL BLOCK DIAGRAM
RESET
AV DD
AVGAIN
X 2
AVRMSOS
AVAG
POWER SUPPLY
ADE7754
I AP
I AN
PGA1
PGA2
ADC
AAPGAIN HPF
X 2
AIRMSOS
LPF2
|X|
MONITOR
V AP
ADC
APHCAL
AAPOS
AWG
ABS
BVGAIN
BVRMSOS
I BP
I BN
PGA1
PGA2
ADC
BAPGAIN HPF
X 2
X 2
BIRMSOS
LPF2
BVAG
|X|
DFC
CFNUM
CF
V BP
ADC
BPHCAL
BAPOS
BWG
ABS
CVGAIN
X 2
CVRMSOS
CVAG
CFDEN
DV DD
DGND
I CP
I CN
PGA1
PGA2
ADC
CAPGAIN HPF
X 2
CIRMSOS
LPF2
|X|
%
WDIV
%
VADIV
CLKIN
CLKOUT
V CP
V N
2.4V REF
4k
ADC
CPHCAL
CAPOS
CWG
TEMP
SENSOR
ABS
ADC
ADE7754 REGISTERS AND
SERIAL INTERFACE
AGND
REF IN/OUT
DIN DOUT SCLK
CS
IRQ
REV. 0
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7754ARZRL | 功能描述:IC ENERGY METERING 3PHASE 24SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7755 | 制造商:AD 制造商全称:Analog Devices 功能描述:Energy Metering IC with Pulse Output |
| ADE7755AARSRL | 制造商:Analog Devices 功能描述:ENERGY METERING IC WITH P - Tape and Reel |
| ADE7755AN | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADE7755AN-REF | 制造商:AD 制造商全称:Analog Devices 功能描述:Energy Metering IC with Pulse Output |
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