AD9288TIMING DIAGRAMSSAMPLE NSAMPLE N + 1SAMPLE N + 5AINA, AINBtASAMPLE N + 2SAMPLE N + 3SAMPLE N + 4tEHtEL1/fsENCODE A, BtPDtVD7A–D0ADATA N – 4DATA N – 3DATA N – 2DATA N – 1DATA NDATA N + 1D7B–D0BDATA N – 4DATA N – 3DATA N – 2DATA N – 1DATA NDATA N + 1 00585-003 Figure 2. Normal Operation, Same Clock (S1 = 1, S2 = 0) Channel Timing SAMPLE SAMPLESAMPLESAMPLESAMPLENN + 1N + 2N + 3N + 4AINA, AINBtAtEHtEL1/fsENCODE AtPDtVENCODE BD7A–D0ADATA N – 8DATA N – 6DATA N – 4DATA N – 2DATA NDATA N + 2D7B–D0BDATA N – 7DATA N – 5DATA N – 3DATA N – 1DATA N + 1DATA N + 3 00585-004 Figure 3. Normal Operation with Two Clock Sources (S1 = 1, S2 = 0) Channel Timing Rev. C | Page 5 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS EXPLANATION OF TEST LEVELS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS TERMINOLOGY THEORY OF OPERATION USING THE AD9288 ENCODE INPUT DIGITAL OUTPUTS ANALOG INPUT VOLTAGE REFERENCE TIMING USER-SELECTABLE OPTIONS AD9218/AD9288 CUSTOMER PCB BOM EVALUATION BOARD POWER CONNECTOR ANALOG INPUTS VOLTAGE REFERENCE CLOCKING DATA OUTPUTS DATA FORMAT/GAIN TIMING TROUBLESHOOTING OUTLINE DIMENSIONS ORDERING GUIDE