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 4 link to page 4 link to page 4 link to page 5 link to page 6 link to page 8 link to page 9 link to page 9 link to page 10 link to page 10 link to page 10 link to page 11 link to page 11 link to page 11 link to page 11 link to page 12 link to page 12 AD8128Data SheetTABLE OF CONTENTS Features .. 1 Theory of Operation ...9 Applications ... 1 Input Common-Mode Voltage Range Considerations ..9 Functional Block Diagram .. 1 Applications Information .. 10 General Description ... 1 KVM Applications ... 10 Revision History ... 2 DC Control Pins ... 10 Specifications ... 3 Cascaded Applications ... 11 Absolute Maximum Ratings .. 4 Exposed Pad (EP) ... 11 Thermal Resistance .. 4 Layout and Power Supply Decoupling Considerations ... 11 ESD Caution .. 4 Evaluation Boards .. 11 Pin Configuration and Function Descriptions ... 5 Outline Dimensions ... 12 Typical Performance Characteristics ... 6 Ordering Guide .. 12 Test Circuit .. 8 REVISION HISTORY 6/2016—Rev. 0 to Rev. A Changes to Figure 3 and Table 4 ... 5 Updated Outline Dimensions ... 12 Changes to Ordering Guide .. 12 10/2005—Revision 0: Initial Version Rev. A | Page 2 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT THEORY OF OPERATION INPUT COMMON-MODE VOLTAGE RANGE CONSIDERATIONS APPLICATIONS INFORMATION KVM APPLICATIONS DC CONTROL PINS CASCADED APPLICATIONS EXPOSED PAD (EP) LAYOUT AND POWER SUPPLY DECOUPLING CONSIDERATIONS EVALUATION BOARDS OUTLINE DIMENSIONS ORDERING GUIDE