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AD8232ACPZ Folha de dados(PDF) 2 Page - Analog Devices |
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AD8232ACPZ Folha de dados(HTML) 2 Page - Analog Devices |
2 / 28 page AD8232 Data Sheet Rev. A | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Typical Performance Characteristics ............................................. 7 Instrumentation Amplifier Performance Curves..................... 7 Operational Amplifier Performance Curves .......................... 10 Right Leg Drive (RLD) Amplifier Performance Curves ....... 13 Reference Buffer Performance Curves .................................... 14 System Performance Curves ..................................................... 15 Theory of Operation ...................................................................... 16 Architecture Overview .............................................................. 16 Instrumentation Amplifier........................................................ 16 Operational Amplifier ............................................................... 16 Right Leg Drive Amplifier......................................................... 17 Reference Buffer ......................................................................... 17 Fast Restore Circuit .................................................................... 17 Leads Off Detection ................................................................... 18 Standby Operation ..................................................................... 19 Input Protection ......................................................................... 19 Radio Frequency Interference (RFI)........................................ 20 Power Supply Regulation and Bypassing ................................ 20 Input Referred Offsets ............................................................... 20 Layout Recommendations ........................................................ 20 Applications Information .............................................................. 21 Eliminating Electrode Offsets .................................................. 21 High-Pass Filtering .................................................................... 21 Low-Pass Filtering and Gain..................................................... 23 Driving Analog-to-Digital Converters.................................... 23 Driven Electrode ........................................................................ 23 Application Circuits ....................................................................... 24 Heart Rate Measurement Next to the Heart........................... 24 Exercise Application: Heart Rate Measured at the Hands .... 24 Cardiac Monitor Configuration ............................................... 25 Portable Cardiac Monitor with Elimination of Motion Artifacts ....................................................................................... 25 Packaging and Ordering Information ......................................... 27 Outline Dimensions................................................................... 27 Ordering Guide .......................................................................... 27 REVISION HISTORY 2/13—Rev. 0 to Rev. A Changes to Table 1............................................................................ 4 Changes to Table 2............................................................................ 6 Change to Figure 17 ......................................................................... 9 Changes to Figure 22 and Figure 25............................................. 11 Changes to Figure 34 and Figure 36............................................. 14 Changes to Figure 45, Architecture Overview Section, and Instrumentation Amplifier Section.............................................. 17 Changes to Right Leg Drive Amplifier Section, Reference Buffer Section, Fast Restore Circuit Section, and Figure 48; Added Figure 46, Renumbered Sequentially ........................................... 18 Changes to Figure 49...................................................................... 19 Changes to AC Leads Off Detection Section and Standby Operation Section........................................................................... 20 Changes to Input Referred Offsets Section................................. 21 Changes to Figure 53 and High-Pass Filtering Section............. 22 Changes to Additional High-Pass Filtering Options Section; Added Table 4 ................................................................................. 23 Changes to Low-Pass Filtering and Gain Section; Added Driving Analog-to-Digital Converters Section and Figure 61................ 24 Changes to Figure 62, Figure 64, and Heart Rate Measurement Next to the Heart Section .............................................................. 25 Changes to Exercise Application: Heart Rate Measured at the Hands and Figure 66 ...................................................................... 26 Changes to Figure 68...................................................................... 27 8/12—Revision 0: Initial Version |
Nº de peça semelhante - AD8232ACPZ |
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Descrição semelhante - AD8232ACPZ |
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