link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 3 link to page 3 link to page 4 link to page 4 link to page 4 link to page 4 link to page 5 link to page 5 link to page 6 link to page 6 link to page 6 link to page 8 link to page 11 link to page 12 link to page 12 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 14 link to page 21 link to page 22 link to page 22 link to page 23 link to page 23 link to page 26 link to page 33 link to page 36 link to page 36 link to page 45 link to page 51 link to page 52 link to page 53 link to page 54 link to page 54 LTC2500-32 TABLE OF CONTENTS Features .. 1Applications ... 1Typical Application ... 1Description... 1Absolute Maximum Ratings ... 3Order Information ... 3Pin Configuration ... 3Electrical Characteristics .. 4Converter Characteristics for Filtered Output (SDOA) ... 4Dynamic Accuracy for Filtered Output (SDOA) ... 4Converter Characteristics for No latency Output (SDOB) ... 4Dynamic Accuracy for No Latency Output (SDOB) ... 5Reference Input ... 5Digital Inputs and Digital Outputs .. 6Power Requirements ... 6ADC Timing Characteristics ... 6Typical Performance Characteristics .. 8Pin Functions ...11Functional Block Diagram ..12Timing Diagram ..12Applications Information ...13 Overview ... 13 Converter Operation .. 13 Transfer Function .. 13 Analog Input ... 13 Input Drive Circuits ... 14 ADC Reference .. 21 Dynamic Performance .. 22 Power Considerations ... 22 Timing and Control ... 23 Decimation Filters ... 23 Digital Filter Types .. 26 Digital Interface .. 33 Preset Filter Modes ... 36 Filtered Output Data .. 36 No Latency Output Data .. 45 Board Layout ...51Package Description ..52Revision History ...53Typical Application ..54Related Parts ...54 250032fb 2 For more information www.linear.com/LTC2500-32 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics for Filtered Output (SDOA) Dynamic Accuracy for Filtered Output (SDOA) Converter Characteristics for No latency Output (SDOB) Dynamic Accuracy for No Latency Output (SDOB) Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Overview Converter Operation Transfer Function Analog Input Input Drive Circuits ADC Reference Dynamic Performance Power Considerations Timing and Control Decimation Filters Digital Filter Types Digital Interface Preset Filter Modes Filtered Output Data No Latency Output Data Board Layout Package Description Revision History Typical Application Related Parts