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ADE7769AR-RL PDF预览

ADE7769AR-RL

更新时间: 2024-01-20 16:21:16
品牌 Logo 应用领域
亚德诺 - ADI 振荡器
页数 文件大小 规格书
20页 386K
描述
Energy Metering IC with Integrated Oscillator and No-Load Indication

ADE7769AR-RL 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.32
Is Samacsys:N可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:9.9 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:5 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Other Analog ICs
最大供电电流 (Isup):5 mA最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

ADE7769AR-RL 数据手册

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Energy Metering IC with Integrated  
Oscillator and No-Load Indication  
ADE7769  
The ADE7769 specifications surpass the accuracy require-  
ments of the IEC62053-21 standard. The AN-679 Application  
Note can be used as a basis for a description of an IEC61036  
(equivalent to IEC62053-21) low cost, watt-hour meter  
reference design.  
FEATURES  
On-chip oscillator as clock source  
High accuracy, supports 50 Hz/60 Hz IEC62053-21  
Less than 0.1% error over a dynamic range of 500 to 1  
Supplies average real power on frequency outputs F1 and F2  
High frequency output CF calibrates and supplies  
instantaneous real power  
CF output remains logic high when ADE7769 is under  
no-load threshold  
Logic output REVP indicates a potential miswiring or  
negative power  
The only analog circuitry used in the ADE7769 is in the Σ-Δ  
ADCs and reference circuit. All other signal processing, such as  
multiplication and filtering, is carried out in the digital domain.  
This approach provides superior stability and accuracy over  
time and extreme environmental conditions.  
Direct drive for electromechanical counters and 2-phase  
stepper motors (F1 and F2)  
Proprietary ADCs and DSPs provide high accuracy over  
large variations in environmental conditions and time  
On-chip power supply monitoring  
On-chip creep protection (no-load threshold)  
The ADE7769 supplies average real power information on the  
low frequency outputs, F1 and F2. These outputs can be used to  
directly drive an electromechanical counter or interface with an  
MCU. The high frequency CF logic output, ideal for calibration  
purposes, provides instantaneous real power information.  
On-chip reference 2.45 V (20 ppm/°C typical) with external  
overdrive capability  
Single 5 V supply, low power (20 mW typical)  
Low cost CMOS process  
The ADE7769 includes a power supply monitoring circuit on  
the VDD supply pin. The ADE7769 remains inactive until the  
supply voltage on VDD reaches approximately 4 V. If the supply  
falls below 4 V, the ADE7769 also remains inactive and the F1,  
F2, and CF outputs are in their nonactive modes.  
GENERAL DESCRIPTION  
The ADE77691 is a high accuracy electrical energy metering IC.  
It is a pin reduction version of the ADE7755 with an enhanced,  
precise oscillator circuit that serves as a clock source to the chip.  
The ADE7769 eliminates the cost of an external crystal or  
resonator, thus reducing the overall cost of a meter built with  
this IC. The chip directly interfaces with the shunt resistor.  
Internal phase matching circuitry ensures that the voltage and  
current channels are phase matched, while the HPF in the  
current channel eliminates dc offsets. An internal no-load  
threshold ensures that the ADE7769 does not exhibit creep  
when no load is present. During a no-load condition, the CF  
pin stays logic high.  
1U.S. Patents 5,745,323; 5,760,617; 5,862,069; 5,872,469; others pending.  
The ADE7769 has a 16-lead, narrow body SOIC package.  
FUNCTIONAL BLOCK DIAGRAM  
V
AGND  
DGND  
DD  
1
6
13  
ADE7769  
POWER  
SUPPLY MONITOR  
SIGNAL  
PROCESSING  
BLOCK  
V2P  
V2N  
2
3
...110101...  
+
+
Σ-Δ  
ADC  
MULTIPLIER  
PHASE  
LPF  
CORRECTION  
...11011001...  
4
5
V1N  
V1P  
Σ-Δ  
ADC  
Φ
HPF  
DIGITAL-TO-FREQUENCY  
CONVERTER  
INTERNAL  
OSCILLATOR  
4kΩ  
2.5V  
REFERENCE  
7
11  
8
10  
9
12  
14  
16  
15  
REF  
RCLKIN  
REVP CF  
F1  
SCF S0  
S1  
F2  
IN/OUT  
Figure 1.  
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: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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