Datasheet AD8233 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 50 μA, 2 mm × 1.7 mm WLCSP, Low Noise, Heart Rate Monitor for Wearable Products |
| Seiten / Seite | 32 / 2 — AD8233. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 3/2020—Rev. C to … |
| Revision | D |
| Dateiformat / Größe | PDF / 706 Kb |
| Dokumentensprache | Englisch |
AD8233. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 3/2020—Rev. C to Rev. D. 8/2019—Rev. B to Rev. C. 3/2019—Rev. A to Rev. B
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AD8233 Data Sheet TABLE OF CONTENTS
Features .. 1 Fast Restore Circuit .. 18 Applications .. 1 Leads On or Off Detection .. 19 General Description ... 1 Standby Operation ... 20 Functional Block Diagram .. 1 Input Protection ... 20 Revision History ... 2 Radio Frequency Interference .. 21 Specifications .. 3 Power Supply Regulation and Bypassing .. 21 Absolute Maximum Ratings ... 6 Input Referred Offsets ... 21 Thermal Resistance .. 6 Layout Recommendations .. 21 ESD Caution.. 6 Application Information ... 22 Pin Configurations and Function Descriptions ... 7 Eliminating Electrode Offsets ... 22 Typical Performance Characteristics ... 8 High-Pass Filtering .. 22 Instrumentation Amplifier Performance Characteristics .. 8 Low-Pass Filtering and Gain .. 24 Operational Amplifier Performance Characteristics .. 11 Driven Electrode .. 25 RLD Amplifier Performance Characteristics ... 14 Measuring Surface Electromyography (EMG) or Reference Buffer Performance Characteristics .. 15 Electroencephalography (EEG) .. 25 System Performance Characteristics ... 16 Application Circuits ... 25 Theory of Operation .. 17 Using AD5940, AD8232, and AD8233 for Bioimpedance and Electrocardiogram (ECG) Measurements ... 29 Architecture Overview .. 17 Die Information .. 30 Instrumentation Amplifier ... 17 Outline Dimensions ... 31 Operational Amplifier ... 17 Ordering Guide .. 32 RLD Amplifier .. 17 Reference Buffer ... 18
REVISION HISTORY 3/2020—Rev. C to Rev. D
Changes to Figure 28 ... 13 Changes to Low-Pass Filtering and Gain Section and Table 7 ... 24 Changes to Table 7 ... 25 Added Measuring Surface Electromyography (EMG) or
8/2019—Rev. B to Rev. C
Electroencephalography (EEG) Section .. 26 Change to Table 4 ... 6 Added Figure 77 ... 28 Changes to Ordering Guide .. 32 Added Portable Heart Rate and Activity Monitor System Section .. 29
3/2019—Rev. A to Rev. B
Renamed Synchronized ECG and PPG Measurement Section to Changes to Table 7 ... 24 Synchronous ECG and Photoplethysmography (PPG) Added Using AD5940, AD8232, and AD8233 for Measurement Using Transimpedance Amplifier (TIA) ADC Bioimpedance and Electrocardiogram (ECG) Measurements Mode Using the ADPD1080 Section ... 29 Section .. 30 Changes to Synchronous ECG and Photoplethysmography Added Figure 79; Renumbered Sequentially .. 30 (PPG) Measurement Using Transimpedance Amplifier (TIA) ADC Mode Using the ADPD1080 Section ... 29
10/2018—Rev. 0 to Rev. A
Changes to Figure 79 Caption .. 29 Added 20-Pad Bare Die .. Universal Added Die Information Section, Figure 80, and Table 8, Changes to Features Section and General Description Section .. 1 Renumbered Sequentially ... 30 Change to Table 1 ... 1 Updated Outline Dimensions .. 31 Changes to Specifications Section and Table 2 .. 3 Changes to Ordering Guide .. 32 Change to Typical Performance Characteristics .. 9 Changes to Figure 13 ... 10
8/2016—Revision 0: Initial Version
Rev. D | Page 2 of 32 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CHARACTERISTICS OPERATIONAL AMPLIFIER PERFORMANCE CHARACTERISTICS RLD AMPLIFIER PERFORMANCE CHARACTERISTICS REFERENCE BUFFER PERFORMANCE CHARACTERISTICS SYSTEM PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE OVERVIEW INSTRUMENTATION AMPLIFIER OPERATIONAL AMPLIFIER RLD AMPLIFIER REFERENCE BUFFER FAST RESTORE CIRCUIT LEADS ON OR OFF DETECTION DC Leads On or Off Detection AC Leads On or Off Detection STANDBY OPERATION INPUT PROTECTION RADIO FREQUENCY INTERFERENCE POWER SUPPLY REGULATION AND BYPASSING INPUT REFERRED OFFSETS LAYOUT RECOMMENDATIONS APPLICATION 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 MEASURING SURFACE ELECTROMYOGRAPHY (EMG) OR ELECTROENCEPHALOGRAPHY (EEG) APPLICATION CIRCUITS Heart Rate Measurement (HRM) Next to the Heart Exercise Application, HRM at the Hands Holter Monitor Configuration Portable Heart Rate and Activity Monitor System Synchronous ECG and Photoplethysmography (PPG) Measurement Using Transimpedance Amplifier (TIA) ADC Mode Using the ADPD1080 USING AD5940, AD8232, AND AD8233 FOR BIOIMPEDANCE AND ELECTROCARDIOGRAM (ECG) MEASUREMENTS DIE INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE
AD8233 Data Sheet TABLE OF CONTENTS
Features .. 1 Fast Restore Circuit .. 18 Applications .. 1 Leads On or Off Detection .. 19 General Description ... 1 Standby Operation ... 20 Functional Block Diagram .. 1 Input Protection ... 20 Revision History ... 2 Radio Frequency Interference .. 21 Specifications .. 3 Power Supply Regulation and Bypassing .. 21 Absolute Maximum Ratings ... 6 Input Referred Offsets ... 21 Thermal Resistance .. 6 Layout Recommendations .. 21 ESD Caution.. 6 Application Information ... 22 Pin Configurations and Function Descriptions ... 7 Eliminating Electrode Offsets ... 22 Typical Performance Characteristics ... 8 High-Pass Filtering .. 22 Instrumentation Amplifier Performance Characteristics .. 8 Low-Pass Filtering and Gain .. 24 Operational Amplifier Performance Characteristics .. 11 Driven Electrode .. 25 RLD Amplifier Performance Characteristics ... 14 Measuring Surface Electromyography (EMG) or Reference Buffer Performance Characteristics .. 15 Electroencephalography (EEG) .. 25 System Performance Characteristics ... 16 Application Circuits ... 25 Theory of Operation .. 17 Using AD5940, AD8232, and AD8233 for Bioimpedance and Electrocardiogram (ECG) Measurements ... 29 Architecture Overview .. 17 Die Information .. 30 Instrumentation Amplifier ... 17 Outline Dimensions ... 31 Operational Amplifier ... 17 Ordering Guide .. 32 RLD Amplifier .. 17 Reference Buffer ... 18
REVISION HISTORY 3/2020—Rev. C to Rev. D
Changes to Figure 28 ... 13 Changes to Low-Pass Filtering and Gain Section and Table 7 ... 24 Changes to Table 7 ... 25 Added Measuring Surface Electromyography (EMG) or
8/2019—Rev. B to Rev. C
Electroencephalography (EEG) Section .. 26 Change to Table 4 ... 6 Added Figure 77 ... 28 Changes to Ordering Guide .. 32 Added Portable Heart Rate and Activity Monitor System Section .. 29
3/2019—Rev. A to Rev. B
Renamed Synchronized ECG and PPG Measurement Section to Changes to Table 7 ... 24 Synchronous ECG and Photoplethysmography (PPG) Added Using AD5940, AD8232, and AD8233 for Measurement Using Transimpedance Amplifier (TIA) ADC Bioimpedance and Electrocardiogram (ECG) Measurements Mode Using the ADPD1080 Section ... 29 Section .. 30 Changes to Synchronous ECG and Photoplethysmography Added Figure 79; Renumbered Sequentially .. 30 (PPG) Measurement Using Transimpedance Amplifier (TIA) ADC Mode Using the ADPD1080 Section ... 29
10/2018—Rev. 0 to Rev. A
Changes to Figure 79 Caption .. 29 Added 20-Pad Bare Die .. Universal Added Die Information Section, Figure 80, and Table 8, Changes to Features Section and General Description Section .. 1 Renumbered Sequentially ... 30 Change to Table 1 ... 1 Updated Outline Dimensions .. 31 Changes to Specifications Section and Table 2 .. 3 Changes to Ordering Guide .. 32 Change to Typical Performance Characteristics .. 9 Changes to Figure 13 ... 10
8/2016—Revision 0: Initial Version
Rev. D | Page 2 of 32 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CHARACTERISTICS OPERATIONAL AMPLIFIER PERFORMANCE CHARACTERISTICS RLD AMPLIFIER PERFORMANCE CHARACTERISTICS REFERENCE BUFFER PERFORMANCE CHARACTERISTICS SYSTEM PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE OVERVIEW INSTRUMENTATION AMPLIFIER OPERATIONAL AMPLIFIER RLD AMPLIFIER REFERENCE BUFFER FAST RESTORE CIRCUIT LEADS ON OR OFF DETECTION DC Leads On or Off Detection AC Leads On or Off Detection STANDBY OPERATION INPUT PROTECTION RADIO FREQUENCY INTERFERENCE POWER SUPPLY REGULATION AND BYPASSING INPUT REFERRED OFFSETS LAYOUT RECOMMENDATIONS APPLICATION 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 MEASURING SURFACE ELECTROMYOGRAPHY (EMG) OR ELECTROENCEPHALOGRAPHY (EEG) APPLICATION CIRCUITS Heart Rate Measurement (HRM) Next to the Heart Exercise Application, HRM at the Hands Holter Monitor Configuration Portable Heart Rate and Activity Monitor System Synchronous ECG and Photoplethysmography (PPG) Measurement Using Transimpedance Amplifier (TIA) ADC Mode Using the ADPD1080 USING AD5940, AD8232, AND AD8233 FOR BIOIMPEDANCE AND ELECTROCARDIOGRAM (ECG) MEASUREMENTS DIE INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE