Data SheetADA4530-1PIN CONFIGURATION AND FUNCTION DESCRIPTIONSADA4530-1+IN18–INGRD27GRDIC36OUTV–45V+NOTES 1. IC = INTERNAL CONNECTION. THIS 003 PIN MUST BE CONNECTED TO V– OR LEFT UNCONNECTED. 13405- Figure 3. Pin Configuration Table 6. Pin Function Descriptions Pin No.MnemonicDescription 1 +IN Noninverting Input. 2 GRD Guard. 3 IC Internal Connection. This pin must be connected to V− or left unconnected. 4 V− Negative Supply Voltage. 5 V+ Positive Supply Voltage. 6 OUT Output. 7 GRD Guard. 8 −IN Inverting Input. Rev. B | Page 11 of 52 Document Outline FEATURES APPLICATIONS PIN CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V NOMINAL ELECTRICAL CHARACTERISTICS 10 V NOMINAL ELECTRICAL CHARACTERISTICS 15 V NOMINAL ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS MAIN AMPLIFIER, DC PERFORMANCE MAIN AMPLIFIER, AC PERFORMANCE GUARD AMPLIFIER THEORY OF OPERATION ESD STRUCTURE INPUT STAGE GAIN STAGE OUTPUT STAGE GUARD BUFFER APPLICATIONS INFORMATION INPUT PROTECTION SINGLE-SUPPLY AND RAIL-TO-RAIL OUTPUT CAPACITIVE LOAD STABILITY EMI REJECTION RATIO HIGH IMPEDANCE MEASUREMENTS INPUT BIAS CURRENT INPUT RESISTANCE INPUT OFFSET VOLTAGE INSULATION RESISTANCE GUARDING DIELECTRIC RELAXATION HUMIDITY EFFECTS CONTAMINATION CLEANING AND HANDLING SOLDER PASTE SELECTION CURRENT NOISE CONSIDERATIONS LAYOUT GUIDELINES PHYSICAL IMPLEMENTATION OF GUARDING TECHNIQUES GUARD RING GUARD PLANE VIA FENCE CABLES AND CONNECTORS ELECTROSTATIC INTERFERANCE PHOTODIODE INTERFACE DC ERROR ANALYSIS AC ERROR ANALYSIS NOISE ANALYSIS DESIGN RECOMMENDATIONS DESIGN EXAMPLE POWER SUPPLY RECOMMENDATIONS POWER SUPPLY CONSIDERATIONS LONG-TERM DRIFT TEMPERATURE HYSTERESIS OUTLINE DIMENSIONS ORDERING GUIDE