link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 3 link to page 5 link to page 7 link to page 8 link to page 8 link to page 9 link to page 10 link to page 17 link to page 18 link to page 18 link to page 18 link to page 18 link to page 19 link to page 19 link to page 19 link to page 20 link to page 22 link to page 22 link to page 23 link to page 24 link to page 24 link to page 25 link to page 26 AD623Data SheetTABLE OF CONTENTS Features .. 1 Applications Information .. 18 Applications ... 1 Basic Connection ... 18 General Description ... 1 Gain Selection ... 18 Functional Block Diagram .. 1 Reference Terminal .. 18 Revision History ... 2 Input and Output Offset Voltage Error ... 19 Input Protection ... 19 Specifications ... 3 RF Interference ... 19 Single Supply ... 3 Grounding ... 20 Dual Supplies .. 5 Input Differential and Common-Mode Range vs. Specifications Common to Dual and Single Supplies ... 7 Supply and Gain ... 22 Absolute Maximum Ratings .. 8 Additional Information ... 23 ESD Caution .. 8 Evaluation Board .. 24 Pin Configuration and Function Descriptions ... 9 General Description ... 24 Typical Performance Characteristics ... 10 Outline Dimensions ... 25 Theory of Operation .. 17 Ordering Guide .. 26 REVISION HISTORY4/2018—Rev. E to Rev. F Changes to Figure 21 Caption through Figure 26 Caption .. 12 Changes to Gain Error Parameter, Nonlinearity Parameter, Changes to Figure 27 Caption and Figure 28 Caption .. 13 Offset Referred to the Input vs. Supply (PSR) Parameter, and Changes to Theory of Operation Section.. 17 Output Swing Parameter, Table 2 ... 3 Changes to Basic Connection Section ... 18 Changes to Gain Error Parameter and Offset Referred to the Changes to Input and Output Offset Voltage Error Section, and Input vs. Supply (PSR) Parameter, Table 3 .. 5 Input Protection Section .. 19 Changes to Current Noise Parameter, Table 4 .. 7 Added Additional Information Section .. 23 Changes to Ordering Guide .. 26 Added Evaluation Board Section and Figure 56 .. 24 Updated Outline Dimensions ... 25 6/2016—Rev. D to Rev. E Changes to Ordering Guide .. 26 Changes to Features Section, General Description Section, and Figure 1 ... 1 7/2008—Rev. C to Rev. D Deleted Connection Diagram Section ... 1 Updated Format .. Universal Added Functional Block Diagram Section and Table 1; Changes to Features Section and General Description Section .. 1 Renumbered Sequentially .. 1 Changes to Table 3 ... 6 Changes to Single Supply Section ... 3 Changes to Figure 40 .. 14 Changes to Table 3 .. 6 Changes to Theory of Operation Section.. 15 Changed Both Dual and Single Supplies Section to Changes to Figure 42 and Figure 43... 16 Specifications Common to Dual and Single Supplies Section ... 7 Changes to Table 7 .. 19 Changes to Table 5 .. 8 Updated Outline Dimensions ... 22 Added Pin Configuration and Function Descriptions Section, Changes to Ordering Guide .. 23 Figure 2, and Table 6; Renumbered Sequentially ... 9 Changes to Figure 5 Caption, Figure 6 Caption, and 9/1999—Rev. B to Rev. C Figure 8 Caption ... 10 Changes to Figure 17 Caption through Figure 20 Caption ... 11 Rev. F | Page 2 of 26 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Single Supply Dual Supplies Specifications Common to Dual and Single Supplies Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Basic Connection Gain Selection Reference Terminal Input and Output Offset Voltage Error Input Protection RF Interference Grounding Ground Returns for Input Bias Currents Output Buffering Single-Supply Data Acquisition System Amplifying Signals with Low Common-Mode Voltage Input Differential and Common-Mode Range vs. Supply and Gain Additional Information Evaluation Board General Description Outline Dimensions Ordering Guide