Datasheet AD8233 (Analog Devices) - 9

FabricanteAnalog Devices
Descripción50 μA, 2 mm × 1.7 mm WLCSP, Low Noise, Heart Rate Monitor for Wearable Products
Páginas / Página29 / 9 — Data Sheet. AD8233. 100. 5µV/DIV. B (d R. PSR. 200ms/DIV. 00.1. 10k. …
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Data Sheet. AD8233. 100. 5µV/DIV. B (d R. PSR. 200ms/DIV. 00.1. 10k. 100k. FREQUENCY (Hz). 1.0. 0.9. 0.8. 0.7. ) (%. √Hz. 0.6. RRO. 0.5. ISE (n. N E. 0.4. 0.3. 0.2. 0.1

Data Sheet AD8233 100 5µV/DIV B (d R PSR 200ms/DIV 00.1 10k 100k FREQUENCY (Hz) 1.0 0.9 0.8 0.7 ) (% √Hz 0.6 RRO 0.5 ISE (n N E 0.4 0.3 0.2 0.1

Versión de texto del documento

Data Sheet AD8233 100 90 80 70 5µV/DIV ) 60 B (d R 50 PSR 40 30 20 10
012
200ms/DIV
7- 373 1
00.1 1 10 100 1k 10k 100k
09 0 37-
FREQUENCY (Hz)
137 Figure 9. PSRR vs. Frequency (RTI) 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/ RRO 0.5 ISE (n N E O 0.4 N AI 100 G 0.3 0.2 0.1 10 0 0.1 1 10 100 1k 10k 100k
10 0
0 50 100 150 200 250 300
13 0 37- 37-
FREQUENCY (Hz)
137
DC OFFSET (mV)
137 Figure 10. Voltage Noise Spectral Density (RTI) Figure 13. Gain Error vs. DC Offset
22pF 470pF 1nF 5µV/DIV
1 1 0 4
1s/DIV
7-
400µs/DIV 50mV/DIV
01 373 1 3737- 1 Figure 11. 0.1 Hz to 10 Hz Noise (RTI) Figure 14. Small Signal Pulse Response Rev. 0 | Page 9 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