Datasheet AD8233 (Analog Devices) - 2

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AD8233 Data Sheet TABLE OF CONTENTS
Features .. 1  Fast Restore Circuit .. 18  Applications ... 1  Leads On/Off Detection .. 19  Functional Block Diagram .. 1  Standby Operation ... 20  General Description ... 1  Input Protection ... 21  Revision History ... 2  Radio Frequency Interference (RFI) .. 21  Specifications ... 3  Power Supply Regulation and Bypassing .. 21  Absolute Maximum Ratings .. 6  Input Referred Offsets ... 21  Thermal Resistance .. 6  Layout Recommendations .. 21  Pin Configuration and Function Descriptions ... 7  Applications Information .. 22  Typical Performance Characteristics ... 8  Eliminating Electrode Offsets... 22  Instrumentation Amplifier Performance Characteristics ... 8  High-Pass Filtering ... 22  Operational Amplifier Performance Characteristics ... 11  Low-Pass Filtering and Gain ... 24  Right Leg Drive (RLD) Amplifier Performance Driven Electrode .. 25  Characteristics .. 14  Application Circuits ... 26  Reference Buffer Performance Characteristics ... 15  Heart Rate Measurement (HRM) Next to the Heart ... 26  System Performance Characteristics ... 16  Exercise Application—Heart Rate Measured at the Hands .. 26  Theory of Operation .. 17  Holter Monitor Configuration ... 27  Architecture Overview .. 17  Synchronized ECG and PPG Measurement ... 28  Instrumentation Amplifier .. 17  Packaging and Ordering Information ... 29  Operational Amplifier ... 17  Outline Dimensions ... 29  Right Leg Drive Amplifier ... 18  Ordering Guide .. 29  Reference Buffer ... 18 
REVISION HISTORY 8/2016—Revision 0: Initial Version
Rev. 0 | Page 2 of 29 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CHARACTERISTICS OPERATIONAL AMPLIFIER PERFORMANCE CHARACTERISTICS RIGHT LEG DRIVE (RLD) AMPLIFIER PERFORMANCE CHARACTERISTICS REFERENCE BUFFER PERFORMANCE CHARACTERISTICS SYSTEM PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE OVERVIEW INSTRUMENTATION AMPLIFIER OPERATIONAL AMPLIFIER RIGHT LEG DRIVE AMPLIFIER REFERENCE BUFFER FAST RESTORE CIRCUIT LEADS ON/OFF DETECTION DC Leads On/Off Detection AC Leads On/Off Detection STANDBY OPERATION INPUT PROTECTION RADIO FREQUENCY INTERFERENCE (RFI) POWER SUPPLY REGULATION AND BYPASSING INPUT REFERRED OFFSETS LAYOUT RECOMMENDATIONS APPLICATIONS INFORMATION ELIMINATING ELECTRODE OFFSETS HIGH-PASS FILTERING Two-Pole High-Pass Filter Additional High-Pass Filtering Options LOW-PASS FILTERING AND GAIN Driving ADCs DRIVEN ELECTRODE APPLICATION CIRCUITS HEART RATE MEASUREMENT (HRM) NEXT TO THE HEART EXERCISE APPLICATION—HEART RATE MEASURED AT THE HANDS HOLTER MONITOR CONFIGURATION SYNCHRONIZED ECG AND PPG MEASUREMENT PACKAGING AND ORDERING INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE