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参数资料
| 型号： | ADE7753ARSZRL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/60页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 1PHASE 20SSOP |
| 标准包装： | 1,500 |
| 输入阻抗： | 390 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： | 3mA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 测量仪表类型： | 单相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
| 配用： | EVAL-ADE7753ZEB-ND - BOARD EVALUATION AD7753 |
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ADE7753
TERMINOLOGY
? Energy Register ADE 7753 ? True Energy ?
? ?
?
?
Measurement Error
The error associated with the energy measurement made by the
ADE7753 is defined by the following formula:
Percentage Error =
? ? × 100 %
True Energy
Phase Error between Channels
The digital integrator and the high-pass filter (HPF) in Channel 1
have a non-ideal phase response. To offset this phase response
and equalize the phase response between channels, two phase-
correction networks are placed in Channel 1: one for the digital
integrator and the other for the HPF. The phase correction
networks correct the phase response of the corresponding
component and ensure a phase match between Channel 1
(current) and Channel 2 (voltage) to within ±0.1° over a range
of 45 Hz to 65 Hz with the digital integrator off. With the digital
integrator on, the phase is corrected to within ±0.4°
over a range of 45 Hz to 65 Hz.
Power Supply Rejection
For the dc PSR measurement, a reading at nominal supplies
(5 V) is taken. A second reading is obtained with the same input
signal levels when the supplies are varied ±5%. Any error
introduced is again expressed as a percentage of the reading.
ADC Offset Error
The dc offset associated with the analog inputs to the ADCs. It
means that with the analog inputs connected to AGND, the
ADCs still see a dc analog input signal. The magnitude of the
offset depends on the gain and input range selection—see the
Typical Performance Characteristics section. However, when
HPF1 is switched on, the offset is removed from Channel 1
(current) and the power calculation is not affected by this offset.
The offsets can be removed by performing an offset
calibration—see the Analog Inputs section.
Gain Error
The difference between the measured ADC output code (minus
and Channel 2 ADC sections. It is measured for each of the
input ranges on Channel 1 (0.5 V, 0.25 V, and 0.125 V). The
difference is expressed as a percentage of the ideal code.
This quantifies the ADE7753 measurement error as a percentage
of reading when the power supplies are varied. For the ac PSR
measurement, a reading at nominal supplies (5 V) is taken. A
second reading is obtained with the same input signal levels
when an ac (175 mV rms/120 Hz) signal is introduced onto the
supplies. Any error introduced by this ac signal is expressed as a
percentage of reading—see the Measurement Error definition.
Rev. C | Page 8 of 60
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7753-ARSZRL | 制造商:Analog Devices 功能描述: |
| ADE7753XRS | 制造商:Analog Devices 功能描述: |
| ADE7754 | 制造商:AD 制造商全称:Analog Devices 功能描述:Poly-phase Multi-Function Energy Metering IC with Serial Port |
| ADE7754AR | 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:THREE PHASE ENERGY METER IC W/WATT & VA - Bulk 制造商:Analog Devices 功能描述:IC ENERGY METER |
| ADE7754ARRL | 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W T/R 制造商:Rochester Electronics LLC 功能描述:THREE PHASE ENERGY METER IC W/WATT & VA - Bulk |
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