Datasheet AD8233 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 50 μA, 2 mm × 1.7 mm WLCSP, Low Noise, Heart Rate Monitor for Wearable Products |
| Seiten / Seite | 29 / 10 — AD8233. Data Sheet. 4.0. 3.5. IOS. 3.0. 2.5. 2.0. URRE. 1.5. T E. IAS. … |
| Revision | C |
| Dateiformat / Größe | PDF / 613 Kb |
| Dokumentensprache | Englisch |
AD8233. Data Sheet. 4.0. 3.5. IOS. 3.0. 2.5. 2.0. URRE. 1.5. T E. IAS. 1.0. 0.5. INP. 400µs/DIV. 0.5V/DIV. –0.5. –10. –1.0. –20. –40. 100. TEMPERATURE (°C). 0.4. 0.3
Textversion des Dokuments
AD8233 Data Sheet 4.0 80 IB 3.5 IOS 70 3.0 60 ) A) A p n ( ( 2.5 50 NT NT 2.0 40 URRE URRE C 1.5 30 C T E IAS S 1.0 20 F B F UT O 0.5 10 UT INP 0 0 INP 400µs/DIV 0.5V/DIV –0.5 –10
-015 13737
–1.0 –20
18
–40 –20 0 20 40 60 80 100
0 37-
TEMPERATURE (°C)
137 Figure 15. Large Signal Pulse Response Figure 18. Input Bias Current (IB) and Input Offset Current (IOS) vs. Temperature
1.5 0.5 0.4 1.0 0.3 V) ( G 0.2 IN 0.5 ) (% 0.1 E SW R G A 0 T RRO 0 L N E VO –0.1 T AI –0.5 G PU –0.2 T U O –0.3 –1.0 –40°C +25°C +85°C –0.4 –1.5
6
–0.5 100 1k 10k 100k 1M
19 -01
–40 –20 0 20 40 60 80 100
0 37 37-
LOAD (Ω) TEMPERATURE (°C)
137 137 Figure 16. Output Voltage Swing vs. Load Figure 19. Gain Error vs. Temperature
0.4 10 8 ) 0.3 V m 6 ( T 0.2 E S 4 F F 0.1 O V) 2 V/ UT µ 0 ( 0 NP R I R M NG –2 –0.1 C CKI O –4 –0.2 –6 DC BL –0.3 –8 –0.4 –10 –40 –20 0 20 40 60 80 100
17 20 0
–40 –20 0 20 40 60 80 100
0 37- 37-
TEMPERATURE (°C) TEMPERATURE (°C)
137 137 Figure 17. DC Blocking Input Offset Drift Figure 20. CMRR vs. Temperature Rev. 0 | Page 10 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
-015 13737
–1.0 –20
18
–40 –20 0 20 40 60 80 100
0 37-
TEMPERATURE (°C)
137 Figure 15. Large Signal Pulse Response Figure 18. Input Bias Current (IB) and Input Offset Current (IOS) vs. Temperature
1.5 0.5 0.4 1.0 0.3 V) ( G 0.2 IN 0.5 ) (% 0.1 E SW R G A 0 T RRO 0 L N E VO –0.1 T AI –0.5 G PU –0.2 T U O –0.3 –1.0 –40°C +25°C +85°C –0.4 –1.5
6
–0.5 100 1k 10k 100k 1M
19 -01
–40 –20 0 20 40 60 80 100
0 37 37-
LOAD (Ω) TEMPERATURE (°C)
137 137 Figure 16. Output Voltage Swing vs. Load Figure 19. Gain Error vs. Temperature
0.4 10 8 ) 0.3 V m 6 ( T 0.2 E S 4 F F 0.1 O V) 2 V/ UT µ 0 ( 0 NP R I R M NG –2 –0.1 C CKI O –4 –0.2 –6 DC BL –0.3 –8 –0.4 –10 –40 –20 0 20 40 60 80 100
17 20 0
–40 –20 0 20 40 60 80 100
0 37- 37-
TEMPERATURE (°C) TEMPERATURE (°C)
137 137 Figure 17. DC Blocking Input Offset Drift Figure 20. CMRR vs. Temperature Rev. 0 | Page 10 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