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 9 link to page 9 link to page 9 link to page 10 link to page 12 link to page 21 link to page 21 link to page 22 link to page 22 link to page 23 link to page 23 link to page 23 link to page 24 link to page 24 link to page 25 link to page 25 link to page 25 link to page 26 link to page 26 link to page 27 link to page 28 AD8224Data SheetTABLE OF CONTENTS Features .. 1 Layout .. 22 Applications ... 1 Solder Wash... 23 Functional Block Diagram .. 1 Input Bias Current Return Path ... 23 General Description ... 1 Input Protection ... 23 Revision History ... 2 RF Interference ... 24 Specifications ... 3 Common-Mode Input Voltage Range ... 24 Absolute Maximum Ratings .. 9 Applications Information .. 25 Thermal Resistance .. 9 Driving an ADC ... 25 ESD Caution .. 9 Differential Output .. 25 Pin Configurations and Function Descriptions ... 10 Driving a Differential Input ADC .. 26 Typical Performance Characteristics ... 12 Driving Cabling .. 26 Theory of Operation .. 21 Outline Dimensions ... 27 Gain Selection ... 21 Ordering Guide .. 28 Reference Terminal .. 22 REVISION HISTORY4/16—Rev. C to Rev. D Added Hidden Paddle Package Section and Exposed Paddle Changed CP-16-13 to CP-16-26 .. Throughout Package Section and Figure 58 ... 21 Changes to Figure 3 .. 10 Updated Outline Dimensions ... 26 Added Figure 4 and Table 12; Renumbered Sequentially ... 11 Changes to Ordering Guide .. 27 Updated Outline Dimensions ... 27 Changes to Ordering Guide .. 28 4/07—Rev. 0 to Rev. A Changes to Features, General Description, and Figure 1 ... 1 12/13—Rev. B to Rev. C Changes to Table 2 ... 3 Changes to Input Current Parameter and Power Supply Changes to Table 3 and Table 4.. 5 Parameter, Table 2 ... 3 Changes to Table 5 ... 6 Changes to Table 3 and Table 4 ... 5 Changes to Table 6 and Table 7.. 8 Changes to Input Current Parameter and Power Supply Changes to Figure 2 ... 9 Parameter, Table 5 ... 6 Changes to Figure 3 .. 10 Changes to Table 9 .. 9 Inserted Figure 4, Figure 5, and Figure 6; Renumbered Changes to Figure 53 .. 19 Sequentially ... 11 Change to Theory of Operation Section ... 20 Changes to Figure 7 .. 11 Change to Exposed Paddle Package Section ... 21 Changes to Figure 20 and Figure 21 .. 13 Change to Input Protection Section ... 22 Changes to Figure 28 .. 15 Updated Outline Dimensions (Dimensions Not Changed, Changes to Theory of Operation and Figure 55 .. 20 Minimums and Maximums Added) .. 26 Changes to Ordering Guide .. 26 5/10—Rev. A to Rev. B1/07—Revision 0: Initial Version Changes to Features Section.. 1 Added Table 10 ... 9 Changes to Figure 3 and Table 11 ... 10 Rev. D | Page 2 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION GAIN SELECTION REFERENCE TERMINAL LAYOUT Package Considerations Hidden Paddle Package Exposed Pad Package Common-Mode Rejection over Frequency Reference Power Supplies SOLDER WASH INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DRIVING AN ADC DIFFERENTIAL OUTPUT Setting the Common-Mode Voltage 2-Channel Differential Output Using a Dual Op Amp DRIVING A DIFFERENTIAL INPUT ADC First Antialiasing Filter Second Antialiasing Filter Reference DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE