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| 型号： | ADE7761BARSZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 1PHASE 20SSOP |
| 标准包装： | 1,500 |
| 输入阻抗： | 790 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： | 3.65mA |
| 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) |
ADE7761B
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Characteristics ................................................................ 4
Absolute Maximum Ratings............................................................ 5
Performance Issues That May Affect Billing Accuracy........... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 8
Test Circuit ........................................................................................ 9
Terminology .................................................................................... 10
Theory of Operation ...................................................................... 11
Analog Inputs ............................................................................. 11
Internal Oscillator ...................................................................... 12
Analog-to-Digital Conversion.................................................. 13
Active Power Calculation .......................................................... 14
Digital-to-Frequency Conversion ............................................ 16
Transfer Function....................................................................... 16
Fault Detection ........................................................................... 17
Missing Neutral Mode ............................................................... 18
Applications Information .............................................................. 21
Interfacing to a Microcontroller for Energy Measurement .. 21
Selecting a Frequency for an Energy Meter Application ...... 21
Negative Power Information..................................................... 22
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 23
Power Supply Monitor ............................................................... 11
REVISION HISTORY
8/07—Revision 0: Initial Version
Rev. 0 | Page 2 of 24
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