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 5 link to page 6 link to page 8 link to page 16 link to page 17 link to page 17 link to page 17 link to page 17 link to page 18 link to page 18 link to page 18 link to page 19 link to page 19 link to page 19 link to page 19 link to page 20 link to page 22 link to page 23 link to page 24 AD8475Data SheetTABLE OF CONTENTS Features .. 1 Circuit Information .. 17 Applications ... 1 DC Precision ... 17 General Description ... 1 Input Voltage Range ... 18 Functional Block Diagrams ... 1 Driving the AD8475... 18 Revision History ... 2 Power Supplies .. 18 Specifications ... 3 Applications Information .. 19 Absolute Maximum Ratings .. 5 Typical Configuration .. 19 Thermal Resistance .. 5 Single-Ended to Differential Conversion .. 19 ESD Caution .. 5 Setting the Output Common-Mode Voltage .. 19 Pin Configurations and Function Descriptions ... 6 High Performance ADC Driving ... 20 Typical Performance Characteristics ... 8 AD8475 Evaluation Board .. 22 Terminology .. 16 Outline Dimensions ... 23 Theory of Operation .. 17 Ordering Guide .. 24 Overview .. 17 REVISION HISTORY 3/2017—Rev. C to Rev. D4/2011—Rev. A to Rev. B Changes to Figure 3 .. 6 Added B Grade Columns to Specifications Section ... 3 Updated Outline Dimensions ... 23 Changes to Figure 16 ... 9 Changes to Ordering Guide .. 24 Changes to Figure 43 .. 14 Changes to Ordering Guide .. 24 1/2014—Rev. B to Rev. C Changed Minimum B Grade Output Balance Error from 90 dB 1/2011—Rev. 0 to Rev. A to −90 dB .. 3 Added 16-Lead LFCSP ... Throughout Changes to Endnote 3; Table 1 .. 4 Changes to Table 1 and Note 3 .. 3 Changes to Terminology Section.. 16 Change to Table 2 .. 5 Changes to Input Voltage Range Section and Figure 51 ... 18 Added Figure 3 and Table 4; Renumbered Sequentially .. 6 Changes to Single-Ended to Differential Conversion Section Changes to Typical Performance Characteristics Format .. 8 and Setting the Output Common-Mode Voltage Section ... 19 Added AD8475 Evaluation Board Section and Figure 56 ... 22 Changes to Figure 56 .. 22 10/2010—Revision 0: Initial Version Rev. D | Page 2 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION OVERVIEW CIRCUIT INFORMATION Output Common-Mode Voltage (VOCM) DC PRECISION INPUT VOLTAGE RANGE DRIVING THE AD8475 POWER SUPPLIES APPLICATIONS INFORMATION TYPICAL CONFIGURATION SINGLE-ENDED TO DIFFERENTIAL CONVERSION SETTING THE OUTPUT COMMON-MODE VOLTAGE HIGH PERFORMANCE ADC DRIVING AD8475 EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE