AD9218-EPEnhanced ProductDIGITAL SPECIFICATIONS VDD = 3.0 V, VD = 3.0 V; external reference, unless otherwise noted. Table 2. ParameterTemperatureTest LevelMinTypMaxUnit DIGITAL INPUTS Encode Input Common Mode Full V VD/2 V Encode 1 Voltage Full VI 2 V Encode 0 Voltage Full VI 0.8 V Encode Input Resistance Full VI 1.75 2.0 2.4 kΩ Logic 1 Voltage—S1, S2, DFS Full VI 2 V Logic 0 Voltage—S1, S2, DFS Full VI 0.8 V Logic 1 Current—S1 Full VI –50 ±0 50 µA Logic 0 Current—S1 Full VI –400 –230 –50 µA Logic 1 Current—S2 Full VI 50 230 400 µA Logic 0 Current—S2 Full VI –50 ±0 50 µA Logic 1 Current—DFS Full VI 30 100 200 µA Logic 0 Current—DFS Full VI –400 –230 –50 µA Input Capacitance—S1, S2, Encode Inputs 25°C V 2 pF Input Capacitance DFS 25°C V 4.5 pF DIGITAL OUTPUTS Logic 1 Voltage Full VI 2.45 V Logic 0 Voltage Full VI 0.05 V Output Coding Twos complement or offset binary Rev. 0 | Page 4 of 11 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS DIGITAL SPECIFICATIONS AC SPECIFICATIONS SWITCHING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS EXPLANATION OF TEST LEVELS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE