Data SheetADA4941-1PIN CONFIGURATION AND FUNCTION DESCRIPTIONSADA4941-1FB 18 INREF 27 DISTOP VIEWV+ 3(Not to Scale)6 V–OUT+ 45 OUT–NOTES 2 1. THE EXPOSED PAD IS NOT ELECTRICALLY CONNECTED TO THE DEVICE. -10 IT IS TYPICALLY SOLDERED TO GROUND OR A POWER PLANE ON THE PCB 704 THAT IS THERMALLY CONDUCTIVE. 05 Figure 4. 8-Lead LFCSP Pin Configuration ADA4941-1FB 18 INREF 27 DISTOP VIEWV+ 3 (Not to Scale) 6 V– 1 10 4- OUT+ 45 OUT– 570 0 Figure 5. 8-Lead SOIC Pin Configuration Table 6. Pin Function Descriptions Pin No.MnemonicDescription 1 FB Feedback Input. 2 REF Reference Input. 3 V+ Positive Power Supply. 4 OUT+ Noninverting Output. 5 OUT− Inverting Output. 6 V− Negative Power Supply. 7 DIS Disable. 8 IN Input. EPAD (LFCSP Only) Exposed Paddle. The exposed pad is not electrically connected to the device. It is typically soldered to ground or a power plane on the PCB that is thermally conductive. Rev. D | Page 7 of 23 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 CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION DC ERROR CALCULATIONS OUTPUT VOLTAGE NOISE FREQUENCY RESPONSE VS. CLOSED-LOOP GAIN APPLICATIONS INFORMATION OVERVIEW USING THE REF PIN INTERNAL FEEDBACK NETWORK POWER DISSIPATION DISABLE FEATURE ADDING A 3-POLE, SALLEN-KEY FILTER DRIVING THE AD7687 ADC GAIN OF −2 CONFIGURATION OUTLINE DIMENSIONS ORDERING GUIDE