Enhanced ProductAD9253-EPPin No.MnemonicDescription 42 VREF Voltage Reference Input and Output. 43 VCM Analog Output at Midsupply Voltage. Sets the common mode of the analog inputs, external to the ADC. 44 SYNC Digital Input. SYNC input to clock divider. 47 VIN−C ADC C Analog Input Complement. 48 VIN+C ADC C Analog Input True. 1 Output channel assignments are shown first for default two-lane mode. If one-lane mode is used, output channel assignments change as indicated in parenthesis. Register 0x21, Bits[6:4] invoke one-lane mode. Rev. B | Page 9 of 11 Document Outline Features Applications General Description Functional Block Diagram Product Highlights Revision History Specifications DC Specifications AC Specifications Digital Specifications Switching Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Outline Dimensions Ordering Guide