AD8227PIN CONFIGURATION AND FUNCTION DESCRIPTIONSAD8227–IN18+VSRG 27VOUTRG 36REF+IN45–VS 2 TOP VIEW 00 9- (Not to Scale) 75 07 Figure 2. Pin Configuration Table 6. Pin Function Descriptions Pin No.MnemonicDescription 1 −IN Negative Input. 2, 3 RG Gain Setting Pins. Place a gain resistor between these two pins. 4 +IN Positive Input. 5 −VS Negative Supply. 6 REF Reference. This pin must be driven by low impedance. 7 VOUT Output. 8 +VS Positive Supply. Rev. 0 | Page 8 of 24 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies References INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RADIO FREQUENCY INTERFERENCE (RFI) APPLICATIONS INFORMATION DIFFERENTIAL DRIVE Tips for Best Differential Output Performance PRECISION STRAIN GAGE DRIVING AN ADC OUTLINE DIMENSIONS ORDERING GUIDE