Datasheet AD8233 (Analog Devices) - 8

AD8233 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
+VS = 3 V, VREF = 1.5 V, VCM = 1.5 V, TA = 25°C, unless otherwise noted. Al typical performance characteristics are measured for the WLCSP package.
INSTRUMENTATION AMPLIFIER PERFORMANCE CHARACTERISTICS 2100 100 80 1750 60 A) p ( 40 1400 NT 20 S T 1050 0 CURRE UNI AS –20 BI 700 UT –40 INP –60 350 –80 0 –100 –120 –90 –60 –30 0 30 60 90 120
003
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
006
CMRR (µV/V)
13737-
INPUT COMMON-MODE VOLTAGE (V)
13737- Figure 3. CMRR Distribution Figure 6. Input Bias Current vs. Input Common-Mode Voltage
3500 50 NO DC OFFSET 300mV OFFSET 3000 40 2500 30 B) S d T 1500 20 N ( UNI AI G 1000 10 500 0 0 –10 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
004
1 10 100 1k 10k 100k
007
GAIN ERROR (%)
13737-
FREQUENCY (Hz)
13737- Figure 4. Gain Error Distribution Figure 7. Gain vs. Frequency
3.5 120 3.0 E (V) 100 G 2.5 A T L 2.0 B) E VO d 80 D I ( 1.5 -MO N RR RT 1.0 60 CM MMO O C 0.5 T PU 40 IN 0 NO DC OFFSET +300mV OFFSET –300mV OFFSET –0.5 20 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
005
10 100 1k 10k 100k
008
OUTPUT VOLTAGE (V)
13737-
FREQUENCY (Hz)
13737- Figure 5. Input Common-Mode Voltage vs. Output Voltage Figure 8. CMRR RTI vs. Frequency Rev. D | Page 8 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