AD627Data SheetPIN CONFIGURATIONS AND FUNCTION DESCRIPTIONSRG18RGR18GRG–IN2AD6277+VS–IN2AD6277+VTOP VIEWS+IN36OUTPUTTOP VIEW(Not to Scale) 051 +IN36(Not to Scale)OUTPUT–V 052 S45REF–V45REF 00782- S 00782- Figure 3. 8-Lead PDIP Pin Configuration Figure 4. 8-Lead SOIC_N Pin Configuration Table 5. Pin Function Descriptions Pin No.Mnemonic Description 1 RG External Gain Setting Resistor. Place gain setting resistor across RG pins to set the gain. 2 −IN Negative Input. 3 +IN Positive Input. 4 −VS Negative Voltage Supply Pin. 5 REF Reference Pin. Drive with low impedance voltage source to level shift the output voltage. 6 OUTPUT Output Voltage. 7 +VS Positive Supply Voltage. 8 RG External Gain Setting Resistor. Place gain setting resistor across RG pins to set the gain. Rev. E | Page 8 of 24 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Single Supply Dual Supply Dual and Single Supplies Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Using the AD627 Basic Connections Setting the Gain Reference Terminal Input Range Limitations in Single-Supply Applications Output Buffering Input and Output Offset Errors Make vs. Buy: A Typical Application Error Budget Errors Due to AC CMRR Ground Returns for Input Bias Currents Layout and Grounding Input Protection RF Interference Applications Circuits Classic Bridge Circuit 4 mA to 20 mA Single-Supply Receiver Thermocouple Amplifier Outline Dimensions Ordering Guide