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 6 link to page 10 link to page 10 link to page 10 link to page 11 link to page 14 link to page 18 link to page 19 link to page 19 link to page 19 link to page 20 link to page 21 link to page 22 link to page 22 link to page 23 link to page 24 link to page 24 link to page 24 link to page 24 link to page 25 link to page 25 link to page 26 link to page 28 link to page 28 AD7605-4Data SheetTABLE OF CONTENTS Features .. 1 ADC Transfer Function ... 19 Applications ... 1 Internal/External Reference .. 20 General Description ... 1 Typical Connection Diagram ... 21 Functional Block Diagram .. 1 Power-Down Modes .. 21 Revision History ... 2 Conversion Control ... 22 Specifications ... 3 Applications Information .. 23 Timing Specifications .. 5 Parallel Interface (PAR/SER/BYTE SEL = 0) .. 23 Absolute Maximum Ratings .. 9 Parallel Byte (PAR/SER/BYTE SEL = 1, Thermal Resistance .. 9 DB15/BYTE SEL = 1) .. 23 ESD Caution .. 9 Serial Interface (PAR/SER/BYTE SEL = 1) ... 24 Pin Configuration and Function Descriptions ... 10 Reading During Conversion ... 24 Typical Performance Characteristics ... 13 Layout Guidelines... 25 Terminology .. 17 Outline Dimensions ... 27 Theory of Operation .. 18 Ordering Guide .. 27 Converter Details .. 18 Analog Input ... 18 REVISION HISTORY9/2016—Revision 0: Initial Version Rev. 0 | Page 2 of 27 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS 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 CONVERTER DETAILS ANALOG INPUT Analog Input Ranges Analog Input Impedance Analog Input Clamp Protection Analog Input Antialiasing Filter Track-and-Hold Amplifiers ADC TRANSFER FUNCTION INTERNAL/EXTERNAL REFERENCE TYPICAL CONNECTION DIAGRAM POWER-DOWN MODES CONVERSION CONTROL Simultaneous Sampling on All Analog Input Channels Simultaneously Sampling Two Sets of Channels APPLICATIONS INFORMATION PARALLEL INTERFACE (/SER/BYTE SEL = 0) PARALLEL BYTE (/SER/BYTE SEL = 1, DB15/BYTE SEL = 1) SERIAL INTERFACE (/SER/BYTE SEL = 1) READING DURING CONVERSION LAYOUT GUIDELINES OUTLINE DIMENSIONS ORDERING GUIDE