Datasheet AD8233 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | 50 μA, 2 mm × 1.7 mm WLCSP, Low Noise, Heart Rate Monitor for Wearable Products |
| Seiten / Seite | 32 / 9 — Data Sheet. AD8233. 100. 5µV/DIV. B) d. I (. RR RT S. 200ms/DIV. 0.1. … |
| Revision | D |
| Dateiformat / Größe | PDF / 706 Kb |
| Dokumentensprache | Englisch |
Data Sheet. AD8233. 100. 5µV/DIV. B) d. I (. RR RT S. 200ms/DIV. 0.1. 10k. 100k. FREQUENCY (Hz). 1.0. 0.9. 0.8. 0.7. √Hz). 0.6. R (. V/ (n. RRO. 0.5. ISE. N E. 0.4. 0.3
Modelllinie für dieses Datenblatt
Textversion des Dokuments
Data Sheet AD8233 100 90 80 70 5µV/DIV B) d 60 I ( 50 RR RT S 40 P 30 20 10
012
200ms/DIV 0
13737-
0.1 1 10 100 1k 10k 100k
009
FREQUENCY (Hz)
13737- Figure 9. PSRR RTI vs. Frequency Figure 12. 0.5 Hz to 40 Hz Noise (RTI)
10k 1.0 0.9 0.8 0.7 1k %) √Hz) 0.6 R ( V/ (n RRO 0.5 ISE N E 0.4 NO AI 100 G 0.3 0.2 0.1 10 0 0.1 1 10 100 1k 10k 100k
010
0 50 100 150 200 250 300
013
FREQUENCY (Hz) DC OFFSET (mV)
13737- 13737- Figure 10. Voltage Noise Spectral Density (RTI) Figure 13. Gain Error vs. DC Offset
22pF 470pF 1nF 5µV/DIV
1 1 0
400µs/DIV 50mV/DIV
014
1s/DIV
13737- 13737- Figure 11. 0.1 Hz to 10 Hz Noise (RTI) Figure 14. Small Signal Pulse Response Rev. D | Page 9 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
012
200ms/DIV 0
13737-
0.1 1 10 100 1k 10k 100k
009
FREQUENCY (Hz)
13737- Figure 9. PSRR RTI vs. Frequency Figure 12. 0.5 Hz to 40 Hz Noise (RTI)
10k 1.0 0.9 0.8 0.7 1k %) √Hz) 0.6 R ( V/ (n RRO 0.5 ISE N E 0.4 NO AI 100 G 0.3 0.2 0.1 10 0 0.1 1 10 100 1k 10k 100k
010
0 50 100 150 200 250 300
013
FREQUENCY (Hz) DC OFFSET (mV)
13737- 13737- Figure 10. Voltage Noise Spectral Density (RTI) Figure 13. Gain Error vs. DC Offset
22pF 470pF 1nF 5µV/DIV
1 1 0
400µs/DIV 50mV/DIV
014
1s/DIV
13737- 13737- Figure 11. 0.1 Hz to 10 Hz Noise (RTI) Figure 14. Small Signal Pulse Response Rev. D | Page 9 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