AD8220PIN CONFIGURATION AND FUNCTION DESCRIPTIONSAD8220–IN18+VSRG 27VOUTRG 36REF+IN45–VS 5 TOP VIEW 00 9- (Not to Scale) 57 03 Figure 4. Pin Configuration Table 4. Pin Function Descriptions Pin No.MnemonicDescription 1 −IN Negative Input Terminal (True Differential Input) 2, 3 RG Gain Setting Terminals (Place Resistor Across the RG Pins) 4 +IN Positive Input Terminal (True Differential Input) 5 −VS Negative Power Supply Terminal 6 REF Reference Voltage Terminal (Drive This Terminal with a Low Impedance Voltage Source to Level-Shift the Output) 7 VOUT Output Terminal 8 +VS Positive Power Supply Terminal Rev. B | Page 9 of 28 Document Outline Features Applications Pin Configuration General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Gain Selection Layout Common-Mode Rejection Ratio (CMRR) Grounding Reference Terminal Power Supply Regulation and Bypassing Input Bias Current Return Path Input Protection RF Interference Common-Mode Input Voltage Range Driving an ADC Applications Information AC-Coupled Instrumentation Amplifier Differential Output Electrocardiogram Signal Conditioning Outline Dimensions Ordering Guide Automotive Products
