Datasheet LTC2172-12, LTC2171-12, LTC2170-12 (Analog Devices) - 8

LTC2172-12/ LTC2171-12/LTC2170-12
TiMing DiagraMs 2-Lane Output Mode, 16-Bit Serialization
tAP N + 1 ANALOG INPUT N tENCH tENCL ENC– ENC+ tSER DCO– DCO+ t t DATA tSER FRAME FR– FR+ tPD tSER OUT#A– D3 D1 DX* 0 D11 D9 D7 D5 D3 D1 DX* 0 D11 D9 D7 OUT#A+ OUT#B– D2 D0 DY* 0 D10 D8 D6 D4 D2 D0 DY* 0 D10 D8 D6 OUT#B+ 217212 TD01 SAMPLE N-6 SAMPLE N-5 SAMPLE N-4 *DX AND DY ARE EXTRA NON-DATA BITS FOR COMPLETE SOFTWARE COMPATIBILITY WITH THE 14-BIT VERSIONS OF THESE A/Ds. DURING NORMAL NON-OVERRANGED OPERATION DX AND DY ARE SET TO LOGIC 0. SEE THE DATA FORMAT SECTION FOR MORE DETAILS.
2-Lane Output Mode, 14-Bit Serialization
tAP ANALOG N + 2 N + 1 INPUT N tENCH tENCL ENC– ENC+ tSER DCO– DCO+ t t DATA tSER FRAME FR– FR+ tPD tSER OUT#A– D5 D3 D1 DX* D11 D9 D7 D5 D3 D1 DX* D11 D9 D7 D5 D3 D1 DX* D11 D9 D7 OUT#A+ OUT#B– D4 D2 D0 DY* D10 D8 D6 D4 D2 D0 DY* D10 D8 D6 D4 D2 D0 DY* D10 D8 D6 OUT#B+ 217212 TD02 SAMPLE N-6 SAMPLE N-5 SAMPLE N-4 SAMPLE N-3 NOTE THAT IN THIS MODE, FR+/FR– HAS TWO TIMES THE PERIOD OF ENC+/ENC– *DX AND DY ARE EXTRA NON-DATA BITS FOR COMPLETE SOFTWARE COMPATIBILITY WITH THE 14-BIT VERSIONS OF THESE A/Ds. DURING NORMAL NON-OVERRANGED OPERATION DX AND DY ARE SET TO LOGIC 0. SEE THE DATA FORMAT SECTION FOR MORE DETAILS. 21721012fb 8 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 Revision History Related Parts