AD8223PIN CONFIGURATION AND FUNCTION DESCRIPTIONS–RG 18+RG–IN2AD82237+VSTOP VIEW+IN36(Not to Scale)OUT 02 0 –VS 45REF 5- 692 0 Figure 2. Pin Configuration Table 6. Pin Function Descriptions Pin No.MnemonicDescriptions 1 −RG Gain Resistor Terminal. 2 −IN Negative Input. 3 +IN Positive Input. 4 −VS Negative Supply. 5 REF Reference. Connect to a low impedance source. Output is referenced to this node. 6 OUT Output. 7 +VS Positive Supply. 8 +RG Gain Resistor Terminal. Rev. 0 | Page 8 of 20 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION INPUT VOLTAGE RANGE REFERENCE TERMINAL INPUT PROTECTION RF INTERFERENCE (RFI) GROUND RETURNS FOR INPUT BIAS CURRENTS APPLICATIONS INFORMATION BASIC CONNECTION DIFFERENTIAL OUTPUT OUTPUT BUFFERING CABLES Receiving from a Cable Driving a Cable A SINGLE-SUPPLY DATA ACQUISITION SYSTEM AMPLIFYING SIGNALS WITH LOW COMMON-MODE VOLTAGE OUTLINE DIMENSIONS ORDERING GUIDE