Datasheet LTC2983 (Analog Devices) - 2

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TABLE OF CONTENTS Features .. 1 Applications ... 1 Typical Application ... 1 Description... 1 Absolute Maximum Ratings ... 3 Order Information ... 3 Complete System Electrical Characteristics .. 3 Pin Configuration ... 3 ADC Electrical Characteristics .. 4 Reference Electrical Characteristics ... 4 Digital Inputs and Digital Outputs .. 5 Typical Performance Characteristics .. 6 Pin Functions .. 9 Block Diagram ..10 Test Circuits ..11 Timing Diagram ..11 Overview ..12 Applications Information ...16
Thermocouple Measurements .. 21 Diode Measurements .. 24 RTD Measurements .. 28 Thermistor Measurements .. 43 Direct ADC Measurements .. 55
Supplemental Information ..55
Fault Protection and Anti-Aliasing ... 57 2- and 3-Cycle Conversion Modes .. 57 Running Conversions Consecutively on Multiple Channels ... 58 MUX Configuration Delay .. 58 Global Configuration Register ... 59
Custom Thermocouples ...59 Custom RTDs ...62 Custom Thermistors ...65 Package Description ..70 Revision History ...71 Typical Application ..72 Related Parts ...72
2983fc 2 For more information www.linear.com/LTC2983 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Complete System Electrical Characteristics Pin Configuration ADC Electrical Characteristics Reference Electrical Characteristics Digital Inputs and Digital Outputs Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagram Overview Applications Information Thermocouple Measurements Diode Measurements RTD Measurements Thermistor Measurements Direct ADC Measurements Supplemental Information Fault Protection and Anti-Aliasing 2- and 3-Cycle Conversion Modes Running Conversions Consecutively on Multiple Channels MUX Configuration Delay Global Configuration Register Custom Thermocouples Custom RTDs Custom Thermistors Package Description Revision History Typical Application Related Parts