link to page 7 link to page 7 AD7689-KGDKnown Good DieTIMING SPECIFICATIONS VDD = 4.5 V to 5.5 V, VIO = 1.8 V to VDD, all specifications TMIN to TMAX, unless otherwise noted. Table 3. Parameter1SymbolMinTypMaxUnit CONVERSION TIME tCONV CNV Rising Edge to Data Available 2.4 µs ACQUISITION TIME tACQ 1.8 µs TIME BETWEEN CONVERSIONS tCYC 4.0 µs DATA WRITE/READ DURING CONVERSION tDATA 1.2 µs SCK Period tSCK tDSDO + 2 ns Low Time tSCKL 11 ns High Time tSCKH 11 ns Falling Edge to Data Remains Valid tHSDO 4 ns Falling Edge to Data Valid Delay tDSDO VIO Above 2.7 V 18 ns VIO Above 2.3 V 23 ns VIO Above 1.8 V 28 ns CNV Pulse Width tCNVH 10 ns Low to SDO D15 MSB Valid tEN VIO Above 2.7 V 18 ns VIO Above 2.3 V 22 ns VIO Above 1.8 V 25 ns High or Last SCK Falling Edge to SDO High Impedance tDIS 32 ns Low to SCK Rising Edge tCLSCK 10 ns DIN Valid Setup Time from SCK Rising Edge tSDIN 5 ns Valid Hold Time from SCK Rising Edge tHDIN 5 ns 1 See Figure 2 and Figure 3 for load conditions. Rev. C | Page 6 of 10 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE