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 5 link to page 5 link to page 6 link to page 7 link to page 11 link to page 12 link to page 12 link to page 12 link to page 12 link to page 13 link to page 14 link to page 14 link to page 15 link to page 16 link to page 16 link to page 16 AD8209Data SheetTABLE OF CONTENTS Features .. 1 High-Side Current Sensing with a Low-Side Switch ... 12 Applications ... 1 High-Rail Current Sensing ... 12 Functional Block Diagram .. 1 Low-Side Current Sensing .. 12 General Description ... 1 Gain Adjustment .. 13 Revision History ... 2 Gain Trim .. 14 Specifications ... 3 Low-Pass Filtering .. 14 Absolute Maximum Ratings .. 5 High Line Current Sensing with LPF and Gain Adjustment .. 15 ESD Caution .. 5 Outline Dimensions ... 16 Pin Configuration and Function Descriptions ... 6 Ordering Guide .. 16 Typical Performance Characteristics ... 7 Automotive Products ... 16 Theory of Operation .. 11 Applications Information .. 12 REVISION HISTORY12/2016—Rev. B to Rev. C2/2013—Rev. 0 to Rev. A Changes to Figure 27 ... 12 Change to Features .. 1 10/2013—Rev. A to Rev. B Changes to Figure 3 and Table 3 .. 5 Change to Ordering Guide ... 15 Changes to Features Section.. 1 Added Automotive Products Section ... 15 Changes to Table Summary Statement and Table 1 ... 3 Changes to Table 2 .. 5 10/2009—Revision 0: Initial Version Changes to Gains Greater than 14 Section and Figure 30 .. 13 Changes to Ordering Guide .. 16 Rev. C | Page 2 of 16 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 SENSINGWITH LPF AND GAIN ADJUSTMENT OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS