Datasheet LTC2986, LTC2986-1 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Multi-Sensor High Accuracy Digital Temperature Measurement System with EEPROM |
| Páginas / Página | 90 / 2 — TABLE OF CONTENTS Features .. 1. Applications ... 1. Typical Application … |
| Formato / tamaño de archivo | PDF / 923 Kb |
| Idioma del documento | Inglés |
TABLE OF CONTENTS Features .. 1. Applications ... 1. Typical Application ... 1. Description... 1
Línea de modelo para esta hoja de datos
Versión de texto del documento
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 5 link to page 5 link to page 6 link to page 7 link to page 10 link to page 11 link to page 12 link to page 12 link to page 13 link to page 17 link to page 23 link to page 23 link to page 23 link to page 24 link to page 25 link to page 28 link to page 32 link to page 51 link to page 60 link to page 60 link to page 66 link to page 70 link to page 75 link to page 75 link to page 76 link to page 76 link to page 76 link to page 77 link to page 80 link to page 83 link to page 88 link to page 89 link to page 90 link to page 90 LTC2986/LTC2986-1
TABLE OF CONTENTS Features .. 1 Applications ... 1 Typical Application ... 1 Description... 1 Absolute Maximum Ratings ... 3 Order Information ... 3 Pin Configuration ... 3 Complete System Electrical Characteristics .. 4 ADC Electrical Characteristics .. 4 Reference Electrical Characteristics ... 5 Digital Inputs and Digital Outputs .. 5 LTC2986-1 EEPROM Characteristics ... 6 Typical Performance Characteristics .. 7 Pin Functions ...10 Block Diagram ..11 Test Circuits ..12 Timing Diagram ..12 Overview ..13 Applications Information ...17
EEPROM Overview (LTC2986-1) .. 23 EEPROM Read/Write Validation .. 23 EEPROM Write Operation ... 23 EEPROM Read Operation (LTC2986-1) ... 24 Thermocouple Measurements .. 25 Diode Measurements .. 28 RTD Measurements .. 32 Thermistor Measurements .. 51 Global Configuration Register ... 60 Input Overvoltage Protection – Overview.. 60 Active Analog Temperature Sensors ... 66 Direct ADC Measurements .. 70 2- and 3-Cycle Conversion Modes .. 75 Running Conversions Consecutively on Multiple Channels ... 75 Entering/Exiting Sleep Mode ... 76 MUX Configuration Delay .. 76 Reference Considerations ... 76
Custom Thermocouples ...77 Custom RTDs ...80 Custom Thermistors ...83 Package Description ..88 Revision History ...89 Typical Application ..90 Related Parts ...90
29861fa 2 For more information www.linear.com/LTC2986 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Complete System Electrical Characteristics ADC Electrical Characteristics Reference Electrical Characteristics Digital Inputs and Digital Outputs LTC2986-1 EEPROM Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagram Overview Applications Information EEPROM Overview (LTC2986-1) EEPROM Read/Write Validation EEPROM Write Operation EEPROM Read Operation (LTC2986-1) Thermocouple Measurements Diode Measurements RTD Measurements Thermistor Measurements Global Configuration Register Input Overvoltage Protection – Overview Active Analog Temperature Sensors Direct ADC Measurements 2- and 3-Cycle Conversion Modes Running Conversions Consecutively on Multiple Channels Entering/Exiting Sleep Mode MUX Configuration Delay Reference Considerations Custom Thermocouples Custom RTDs Custom Thermistors Package Description Revision History Typical Application Related Parts
TABLE OF CONTENTS Features .. 1 Applications ... 1 Typical Application ... 1 Description... 1 Absolute Maximum Ratings ... 3 Order Information ... 3 Pin Configuration ... 3 Complete System Electrical Characteristics .. 4 ADC Electrical Characteristics .. 4 Reference Electrical Characteristics ... 5 Digital Inputs and Digital Outputs .. 5 LTC2986-1 EEPROM Characteristics ... 6 Typical Performance Characteristics .. 7 Pin Functions ...10 Block Diagram ..11 Test Circuits ..12 Timing Diagram ..12 Overview ..13 Applications Information ...17
EEPROM Overview (LTC2986-1) .. 23 EEPROM Read/Write Validation .. 23 EEPROM Write Operation ... 23 EEPROM Read Operation (LTC2986-1) ... 24 Thermocouple Measurements .. 25 Diode Measurements .. 28 RTD Measurements .. 32 Thermistor Measurements .. 51 Global Configuration Register ... 60 Input Overvoltage Protection – Overview.. 60 Active Analog Temperature Sensors ... 66 Direct ADC Measurements .. 70 2- and 3-Cycle Conversion Modes .. 75 Running Conversions Consecutively on Multiple Channels ... 75 Entering/Exiting Sleep Mode ... 76 MUX Configuration Delay .. 76 Reference Considerations ... 76
Custom Thermocouples ...77 Custom RTDs ...80 Custom Thermistors ...83 Package Description ..88 Revision History ...89 Typical Application ..90 Related Parts ...90
29861fa 2 For more information www.linear.com/LTC2986 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Complete System Electrical Characteristics ADC Electrical Characteristics Reference Electrical Characteristics Digital Inputs and Digital Outputs LTC2986-1 EEPROM Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagram Overview Applications Information EEPROM Overview (LTC2986-1) EEPROM Read/Write Validation EEPROM Write Operation EEPROM Read Operation (LTC2986-1) Thermocouple Measurements Diode Measurements RTD Measurements Thermistor Measurements Global Configuration Register Input Overvoltage Protection – Overview Active Analog Temperature Sensors Direct ADC Measurements 2- and 3-Cycle Conversion Modes Running Conversions Consecutively on Multiple Channels Entering/Exiting Sleep Mode MUX Configuration Delay Reference Considerations Custom Thermocouples Custom RTDs Custom Thermistors Package Description Revision History Typical Application Related Parts