AD8228TYPICAL PERFORMANCE CHARACTERISTICS T = 25°C, VS = ±15 V, RL = 10 kΩ, unless otherwise noted. MEAN: –5.5100MEAN: 0.2070SD: 12.4SD: 0.1260805060S 40STTHIHI304020201000 47 –100–50050100 430 –1.0–0.500.51.01.5 0 5- 5- G10 SYSTEM V 03 03 OS RTI @ 15V (µV)G100 SYSTEM V 07 OS DRIFT RTI (µV) 07 Figure 3. Typical Distribution of Input Offset Voltage (G = 10) Figure 6. Typical Distribution of Input Offset Voltage Drift (G = 100) 10060MEAN: –0.079MEAN: 0.29SD: 0.27SD: 0.2750804060SSTTHI 30HI4020201000 48 –1.5–1.0–0.500.51.01.5 450 –3–2–10123 0 5- 5- G10 SYSTEM V 03 03 OS DRIFT RTI (µV)CMRR G100 RTI (µV/V) 07 07 Figure 4. Typical Distribution of Input Offset Voltage Drift (G = 10) Figure 7. Typical Distribution for CMR (G = 100) MEAN: 7.1MEAN: 0.42SD: 10.1120SD: 0.08801006080SSTTHIHI 604040202000 49 –100–50050100 460 –0.500.51.01.5 0 5- 5- G100 SYSTEM V 03 NEG I 03 OS RTI @ 15V (µV)BIAS CURRENTS ±15V (nA) 07 07 Figure 5. Typical Distribution of Input Offset Voltage (G = 100) Figure 8. Typical Distribution of Input Bias Current Rev. 0 | Page 9 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS GAIN = 10 GAIN = 100 ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE SETTING THE GAIN COMMON-MODE INPUT VOLTAGE RANGE REFERENCE TERMINAL LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies References Input Bias Current Return Path INPUT PROTECTION Input Voltages Beyond the Rails Large Differential Voltages When G = 100 RADIO FREQUENCY INTERFERENCE (RFI) APPLICATIONS INFORMATION DIFFERENTIAL DRIVE PRECISION STRAIN GAGE DRIVING A DIFFERENTIAL ADC OUTLINE DIMENSIONS ORDERING GUIDE