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 5 link to page 6 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 13 link to page 13 link to page 14 link to page 14 link to page 15 link to page 15 link to page 15 AD8209AData SheetTABLE OF CONTENTS Features .. 1 High-Side Current Sensing with a Low-Side Switch ... 11 Applications ... 1 High Rail Current Sensing .. 11 Functional Block Diagram .. 1 Low-Side Current Sensing .. 11 General Description ... 1 Gain Adjustment .. 12 Revision History ... 2 Gain Trim .. 13 Specifications ... 3 Low-Pass Filtering .. 13 Absolute Maximum Ratings .. 4 High Line Current Sensing with Low-Pass Filtering and Gain ESD Caution .. 4 Adjustment .. 14 Pin Configuration and Function Descriptions ... 5 Outline Dimensions ... 15 Typical Performance Characteristics ... 6 Ordering Guide .. 15 Theory of Operation .. 10 Automotive Products ... 15 Applications Information .. 11 REVISION HISTORY 11/2016—Rev. 0 to Rev. A Change to Figure 27 ... 11 7/2016—Revision 0: Initial Version Rev. A | Page 2 of 15 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION HIGH-SIDE CURRENT SENSINGWITH A LOW-SIDE SWITCH HIGH RAIL CURRENT SENSING LOW-SIDE CURRENT SENSING 4 mA to 20 mA Current Loop Receiver GAIN ADJUSTMENT Gains Less than 14 Gains Greater than 14 GAIN TRIM Internal Signal Overload Considerations LOW-PASS FILTERING HIGH LINE CURRENT SENSING WITH LOW-PASS FILTERING AND GAIN ADJUSTMENT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS