LTC2185/LTC2184/LTC2183 TiMing DiagraMsDouble Data Rate LVDS Output Mode TimingAll Outputs Are Differential and Have LVDS Levels tAP CH 1 A A + 2 A + 4 ANALOG INPUT A + 3 tAP A + 1 CH 2 B B + 2 B + 4 ANALOG INPUT B + 3 tH B + 1 tL ENC– ENC+ tD tD D1_0_1+ BIT 0 BIT 1 BIT 0 BIT 1 BIT 0 BIT 1 BIT 0 BIT 1 BIT 0 A-6 A-6 A-5 A-5 A-4 A-4 A-3 A-3 A-2 D1_0_1– ••• D1_14_15+ BIT 14 BIT 15 BIT 14 BIT 15 BIT 14 BIT 15 BIT 14 BIT 15 BIT 14 A-6 A-6 A-5 A-5 A-4 A-4 A-3 A-3 A-2 D1_14_15– D2_0_1+ BIT 0 BIT 1 BIT 0 BIT 1 BIT 0 BIT 1 BIT 0 BIT 1 BIT 0 B-6 B-6 B-5 B-5 B-4 B-4 B-3 B-3 B-2 D2_0_1– ••• D2_14_15+ BIT 14 BIT 15 BIT 14 BIT 15 BIT 14 BIT 15 BIT 14 BIT 15 BIT 14 B-6 B-6 B-5 B-5 B-4 B-4 B-3 B-3 B-2 D2_14_15– OF2_1+ OF OF OF OF OF OF OF OF OF B-6 A-6 B-5 A-5 B-4 A-4 B-3 A-3 B-2 OF2_1– tC tC CLKOUT+ CLKOUT– 218543 TD03 SPI Port Timing (Readback Mode) tS tDS tDH tSCK tH CS SCK tDO SDI R/W A6 A5 A4 A3 A2 A1 A0 XX XX XX XX XX XX XX XX SDO D7 D6 D5 D4 D3 D2 D1 D0 HIGH IMPEDANCE SPI Port Timing (Write Mode) CS SCK SDI R/W A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 SDO 218543 TD04 HIGH IMPEDANCE 218543f 10 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts