link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 7 link to page 8 link to page 9 link to page 9 link to page 9 link to page 10 link to page 12 link to page 16 link to page 17 link to page 17 link to page 17 link to page 18 link to page 18 link to page 19 link to page 20 link to page 22 link to page 23 link to page 24 link to page 26 link to page 26 link to page 27 link to page 27 AD7626Data SheetTABLE OF CONTENTS Features .. 1 Theory of Operation .. 16 Applications ... 1 Circuit Information .. 16 Functional Block Diagram .. 1 Converter Information .. 16 General Description ... 1 Transfer Functions ... 17 Revision History ... 2 Analog Inputs.. 17 Specifications ... 3 Typical Connection Diagram ... 18 Timing Specifications .. 6 Driving the AD7626... 19 Timing Diagrams .. 7 Voltage Reference Options .. 21 Absolute Maximum Ratings .. 8 Power Supply ... 22 Thermal Resistance .. 8 Digital Interface .. 23 ESD Caution .. 8 Applications Information .. 25 Pin Configuration and Function Descriptions ... 9 Layout, Decoupling, and Grounding ... 25 Typical Performance Characteristics ... 11 Outline Dimensions ... 26 Terminology .. 15 Ordering Guide .. 26 REVISION HISTORY 4/16—Rev. C to Rev. D7/12—Rev. A to Rev. B Changes to Internal Reference Parameter, Table 2 ... 4 Changed CP-32-2 Package to CP-32-7 Package ... Universal Added Acquisition Time Parameter, Table 3 .. 6 Changes to Figure 4 ... 8 Change to Table 5 ... 8 Updated Outline Dimensions .. 25 Change to Figure 32 Caption and Figure 33 Caption .. 19 Changes to Ordering Guide .. 25 10/15—Rev. B to Rev. C1/10—Rev. 0 to Rev. A Changes to Table 1 .. 1 Changes to Description of Pin 5 and Pin 6, Table 6 ... 8 Added Aperture Delay Parameter and Current Drain Changes to Power-Up Section .. 21 Parameter, Table 2 ... 3 Changes to Ordering Guide .. 26 9/09—Revision 0: Initial Version Rev. D | Page 2 of 29 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER INFORMATION TRANSFER FUNCTIONS ANALOG INPUTS TYPICAL CONNECTION DIAGRAM DRIVING THE AD7626 Differential Analog Input Source Single-Ended to Differential Driver Single-Ended or Fully Differential High Frequency Driver VOLTAGE REFERENCE OPTIONS Wake-Up Time from EN1 = 0, EN0 = 0 POWER SUPPLY Power-Up DIGITAL INTERFACE Conversion Control Echoed Clock Interface Mode Self Clocked Mode APPLICATIONS INFORMATION LAYOUT, DECOUPLING, AND GROUNDING Exposed Paddle VDD1 Supply Routing and Decoupling VIO Supply Decoupling Layout and Decoupling of Pin 25 to Pin 32 OUTLINE DIMENSIONS ORDERING GUIDE