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| 型号： | ADE7752AARZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 3PHASE 24SOIC |
| 标准包装： | 1,000 |
| 输入阻抗： | 450 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： | 6mA |
| 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： | 带卷 (TR) |
| 配用： | EVAL-ADE7752AEBZ-ND - BOARD EVALUATION FOR ADE7752A |
Polyphase Energy Metering IC
with Pulse Output
ADE7752/ADE7752A
FEATURES
High accuracy, supports 50 Hz/60 Hz IEC62053-2x
Less than 0.1% error over a dynamic range of 500 to 1
Compatible with 3-phase/3-wire delta and 3-phase/4-wire
Wye configurations
The ADE7752 supplies average real power on frequency
outputs F1 and F2
High frequency output CF is intended for calibration and
supplies instantaneous real power
Logic output REVP indicates a potential miswiring or
negative power for each phase
Direct drive for electromechanical counters and 2-phase
stepper motors (F1 and F2)
Proprietary ADCs and DSP provide high accuracy over large
variations in environmental conditions and time
On-chip power supply monitoring
On-chip creep protection (no load threshold)
On-chip reference 2.4 V ±8% (20 ppm/°C typical) with
external overdrive capability
Single 5 V supply, low power
60 mW typical: ADE7752
30 mW typical: ADE7752A
Low cost CMOS process
GENERAL DESCRIPTION
The ADE7752 is a high accuracy polyphase electrical energy
ADE7752A are the same. Both products are referred to in the
text of this data sheet as ADE7752.
The part specifications surpass the accuracy requirements as
quoted in the IEC62053-2x standard. The only analog circuitry
used in the ADE7752 is in the analog-to-digital converters (ADCs)
and reference circuit. All other signal processing (such as multi-
plication, filtering, and summation) is carried out in the digital
domain. This approach provides superior stability and accuracy
over extremes in environmental conditions and over time.
The ADE7752 supplies average real power information on the
low frequency outputs, F1 and F2. These logic outputs may be
used to directly drive an electromechanical counter or to
interface with an MCU. The CF logic output gives instanta-
neous real power information. This output is intended to be
used for calibration purposes.
The ADE7752 includes a power supply monitoring circuit on
the V DD pin. The ADE7752 remains inactive until the supply
voltage on V DD reaches 4 V. If the supply falls below 4 V, no
pulses are issued on F1, F2, and CF. Internal phase matching
circuitry ensures that the voltage and current channels are
phase matched. An internal no load threshold ensures the part
does not exhibit any creep when there is no load. The ADE7752
is available in a 24-lead SOIC package.
measurement IC. The ADE7752A is a pin-to-pin compatible
low power version of ADE7752. The functions of ADE7752 and
FUNCTIONAL BLOCK DIAGRAM
ABS
17
V DD
3
IAP 5
IAN 6
VAP 16
ADC
ADC
HPF
Φ
LPF
X
POWER
SUPPLY
MONITOR
PHASE
CORRECTION
ADE7752/
IBP
IBN
7
8
ADC
HPF
LPF
X
Σ
ADE7752A
2
DGND
VBP 15
ADC
Φ
19 CLKIN
PHASE
CORRECTION
20 CLKOUT
ICP
9
ICN 10
ADC
HPF
LPF
X
VCP 14
VN 13
2.4V REF
4k Ω
ADC
Φ
PHASE
CORRECTION
DIGITAL-TO-FREQUENCY CONVERTER
11
AGND
12
REF IN/OUT
4
REVP
18
SCF
21
S0
22
S1
23
F2
24
F1
1
CF
Figure 1. 24-Lead Standard Small Outline Package [SOIC]
Rev. C
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 www.analog.com
Fax: 781.461.3113 ? 2005 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7752AR | 制造商:Rochester Electronics LLC 功能描述:THREE PHASE ACTIVE ENERGY METERING IC - Bulk 制造商:Analog Devices 功能描述:IC ENERGY METER |
| ADE7752ARRL | 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:IC ENERGY METER |
| ADE7752ARZ | 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W |
| ADE7752ARZ-RL | 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W T/R |
| ADE7752B | 制造商:AD 制造商全称:Analog Devices 功能描述:Polyphase Energy Metering IC with Pulsed Output |
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