Datasheet AD71056 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Energy Metering IC with Integrated Oscillator and Reverse Polarity Indication |
| 页数 / 页 | 20 / 2 — AD71056. TABLE OF CONTENTS. REVISION HISTORY. 8/06—Revision A: Initial … |
| 修订版 | A |
| 文件格式/大小 | PDF / 416 Kb |
| 文件语言 | 英语 |
AD71056. TABLE OF CONTENTS. REVISION HISTORY. 8/06—Revision A: Initial Version
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AD71056 TABLE OF CONTENTS
Features .. 1 Power Factor Considerations.. 10 General Description ... 1 Nonsinusoidal Voltage and Current.. 10 Functional Block Diagram .. 1 Applications... 12 Revision History ... 2 Analog Inputs ... 12 Specifications... 3 Power Supply Monitor... 13 Timing Characteristics .. 4 Internal Oscillator (OSC).. 15 Absolute Maximum Ratings.. 5 Transfer Function... 15 ESD Caution.. 5 Selecting a Frequency for an Energy Meter Application .. 16 Terminology .. 6 No Load Threshold .. 17 Pin Configuration and Function Descriptions... 7 Negative Power Information... 17 Typical Performance Characteristics ... 8 Outline Dimensions ... 18 Theory of Operation .. 10 Ordering Guide .. 18
REVISION HISTORY 8/06—Revision A: Initial Version
Rev. A | Page 2 of 20 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Timing Diagram ABSOLUTE MAXIMUM RATINGS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER FACTOR CONSIDERATIONS NONSINUSOIDAL VOLTAGE AND CURRENT APPLICATIONS ANALOG INPUTS Channel V1 (Current Channel) Channel V2 (Voltage Channel) Typical Connection Diagrams POWER SUPPLY MONITOR HPF and Offset Effects Digital-to-Frequency Conversion Connecting to a Microcontroller for Energy Measurement Power Measurement Considerations INTERNAL OSCILLATOR (OSC) TRANSFER FUNCTION Frequency Outputs F1 and F2 Frequency Output CF SELECTING A FREQUENCY FOR AN ENERGY METER APPLICATION Frequency Outputs NO LOAD THRESHOLD NEGATIVE POWER INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE
AD71056 TABLE OF CONTENTS
Features .. 1 Power Factor Considerations.. 10 General Description ... 1 Nonsinusoidal Voltage and Current.. 10 Functional Block Diagram .. 1 Applications... 12 Revision History ... 2 Analog Inputs ... 12 Specifications... 3 Power Supply Monitor... 13 Timing Characteristics .. 4 Internal Oscillator (OSC).. 15 Absolute Maximum Ratings.. 5 Transfer Function... 15 ESD Caution.. 5 Selecting a Frequency for an Energy Meter Application .. 16 Terminology .. 6 No Load Threshold .. 17 Pin Configuration and Function Descriptions... 7 Negative Power Information... 17 Typical Performance Characteristics ... 8 Outline Dimensions ... 18 Theory of Operation .. 10 Ordering Guide .. 18
REVISION HISTORY 8/06—Revision A: Initial Version
Rev. A | Page 2 of 20 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Timing Diagram ABSOLUTE MAXIMUM RATINGS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER FACTOR CONSIDERATIONS NONSINUSOIDAL VOLTAGE AND CURRENT APPLICATIONS ANALOG INPUTS Channel V1 (Current Channel) Channel V2 (Voltage Channel) Typical Connection Diagrams POWER SUPPLY MONITOR HPF and Offset Effects Digital-to-Frequency Conversion Connecting to a Microcontroller for Energy Measurement Power Measurement Considerations INTERNAL OSCILLATOR (OSC) TRANSFER FUNCTION Frequency Outputs F1 and F2 Frequency Output CF SELECTING A FREQUENCY FOR AN ENERGY METER APPLICATION Frequency Outputs NO LOAD THRESHOLD NEGATIVE POWER INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE