AD8209Data SheetPIN CONFIGURATION AND FUNCTION DESCRIPTIONS182723–IN 18 +INGNDAD820927 V4STOP VIEWA1 36 NC(Not to Scale)5A2 45 OUT 02 3 0 1- -00 NC = NO CONNECT 46 461 08 08 Figure 2. Pin Configuration Figure 3. Metallization Photograph Table 3. Pin Function DescriptionsCoordinatesPin No.MnemonicXYDescription 1 −IN −322 +563 Inverting Input 2 GND −321 +208 Ground 2 GND −327 +339 Ground 3 A1 −321 −51 Preamplifier (A1) Output 4 A2 −321 −214 Buffer (A2) Input 5 OUT +321 −388 Buffer (A2) Output 6 NC No Connect 7 VS +322 +363 Supply 8 +IN +322 +561 Noninverting Input Rev. C | Page 6 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