Data SheetAD8233Parameter SymbolTestConditions/CommentsMinTypMaxUnit SYSTEM SPECIFICATIONS Quiescent Supply Current 50 70 μA TA = 0°C to 70°C 60 μA Wakeup Current SDN = low, LOD = low 0.65 1.5 μA TA = 0°C to 70°C 0.75 μA Shutdown Current SDN = low, LOD = high 0.5 1 μA TA = 0°C to 70°C 0.6 μA Peak-to-Peak Voltage Noise (RTI) VDIFF = 0 V f = 0.5 Hz to 40 Hz 9 μV p-p f = 0.05 Hz to 150 Hz 15 μV p-p VDIFF = ±0.3 V f = 0.5 Hz to 40 Hz 11 μV p-p f = 0.05 Hz to 150 Hz 21 μV p-p Supply Range 1.7 3.5 V Specified Temperature Range 0 70 °C Operational Temperature Range −40 +85 °C 1 Offset referred to the input of the instrumentation amplifier inputs. 2 In ac leads off and shutdown mode, the dc leads off comparator at the +IN pin trips the LOD pin. Rev. 0 | Page 5 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
