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 4 link to page 4 link to page 5 link to page 6 link to page 7 link to page 8 link to page 10 link to page 10 link to page 10 link to page 11 link to page 15 link to page 18 link to page 20 link to page 23 link to page 23 link to page 26 link to page 27 link to page 28 link to page 28 AD6641TABLE OF CONTENTS Features .. 1 Thermal Resistance .. 10 Applications... 1 ESD Caution.. 10 General Description ... 1 Pin Configurations and Function Descriptions ... 11 Functional Block Diagram .. 1 Typical Performance Characteristics ... 15 Revision History ... 2 Equivalent Circuits... 18 Product Highlights ... 3 SPI Register Map .. 20 Specifications... 4 Theory of Operation .. 23 DC Specifications ... 4 FIFO Operation .. 23 AC Specifications.. 5 FIFO Output Interfaces ... 26 Digital Specifications ... 6 Configuration Using the SPI... 27 Switching Specifications .. 7 Outline Dimensions ... 28 SPI Timing Requirements ... 8 Ordering Guide .. 28 Absolute Maximum Ratings.. 10 REVISION HISTORY4/11—Revision 0: Initial Version Rev. 0 | Page 2 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY PRODUCT HIGHLIGHTS SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS SPI TIMING REQUIREMENTS Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS SPI REGISTER MAP THEORY OF OPERATION FIFO OPERATION Single Capture Mode Fill Pin Timing Dump Pin Timing SPORT Master Mode (Single Capture) Fill Pulse (1) Empty Signal (2) Full Signal (3) Dump Signal (4)—Transition to High SCLK Signal (5) SDFS Signal (6) Dump Signal (7)—Transition to Low Empty Signal (8)—Transition to High Parallel Master Mode (Single Capture) Fill Pulse (1) Empty Signal (2) Full Signal (3) Dump Signal (4)—Transition to High PCLK± Signal (5) PD[11:0] Signal (6) Dump Signal (7)—Transition to Low Empty Signal (8)—Transition to High Continuous Capture Mode FIFO OUTPUT INTERFACES SPORT Interface Serial Data Frame (Serial Bus Master) CMOS Output Interface LVDS Output Interface ANALOG INPUT AND VOLTAGE REFERENCE VREF CONFIGURATION USING THE SPI OUTLINE DIMENSIONS ORDERING GUIDE