link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 6 link to page 6 link to page 7 link to page 8 link to page 11 link to page 12 link to page 12 link to page 12 link to page 12 link to page 13 link to page 13 link to page 13 link to page 14 link to page 14 link to page 15 link to page 16 link to page 16 link to page 17 link to page 17 link to page 17 link to page 18 link to page 18 link to page 19 link to page 21 link to page 22 link to page 24 link to page 24 AD8318Data SheetTABLE OF CONTENTS Features .. 1 Temperature Compensation of Output Voltage ... 13 Applications ... 1 Temperature Sensor ... 14 Functional Block Diagram .. 1 Measurement Mode ... 14 General Description ... 1 Device Calibration and Error Calculation .. 15 Revision History ... 2 Selecting Calibration Points to Improve Accuracy over a Specifications ... 3 Reduced Range ... 16 Absolute Maximum Ratings .. 6 Variation in Temperature Drift from Device to Device .. 17 ESD Caution .. 6 Temperature Drift at Different Temperatures .. 17 Pin Configuration and Function Descriptions ... 7 Setting the Output Slope in Measurement Mode .. 17 Typical Performance Characteristics ... 8 Response Time Capability ... 18 Theory of Operation .. 11 Output Filtering .. 18 Using the AD8318 .. 12 Controller Mode ... 19 Basic Connections .. 12 Characterization Setup and Methods .. 21 Enable Interface .. 12 Evaluation Board .. 22 Input Signal Coupling .. 12 Outline Dimensions ... 24 Output Interface ... 13 Ordering Guide .. 24 Setpoint Interface ... 13 REVISION HISTORY 12/2017—Rev. C to Rev. D Changes to Table 1 ... 3 Updated Outline Dimensions ... 24 Changes to Figure 5, Figure 6, and Figure 7 Captions .. 8 Changes to Ordering Guide .. 24 Changes to Figure 12 Caption ... 9 Changes to Figure 15 Caption ... 9 8/2017—Rev. B to Rev. C Changed General Description Heading to Theory of Change to Figure 3 ... 7 Operation ... 11 Updated Outline Dimensions .. 24 Changes to Enable Interface Section.. 12 Changes to Ordering Guide .. 24 Inserted Figure 24 ... 12 Changes to Input Signal Coupling Section ... 12 4/2007—Rev. A to Rev. B Changes to Measurement Mode Section ... 14 Added Figure 2; Renumbered Sequential y .. 1 Changes to Figure 36 .. 17 Changes to Table 1 .. 3 Added Output Filtering Section ... 19 Changes to Figure 23 .. 12 Changes to Control er Mode Section .. 19 Changes to Characterization Setup and Methods Section .. 21 Changes to Response Time Capability Section .. 18 Changes to Figure 48 .. 23 Changes to Table 6 .. 22 Updated Outline Dimensions ... 24 Changes to Figure 47, Figure 48, and Figure 49 ... 23 Changes to Ordering Guide .. 24 Updated Outline Dimensions ... 24 Changes to Ordering Guide .. 24 1/2006—Rev. 0 to Rev. A Changed TADJ Resistor to RTADJ Resistor .. Universal 7/2004—Rev. 0: Initial Version Changes to Applications .. 1 Rev. D | Page 2 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Using the AD8318 Basic Connections Enable Interface Input Signal Coupling Output Interface Setpoint Interface Temperature Compensation of Output Voltage Temperature Sensor Measurement Mode Device Calibration and Error Calculation Selecting Calibration Points to Improve Accuracy over a Reduced Range Variation in Temperature Drift from Device to Device Temperature Drift at Different Temperatures Setting the Output Slope in Measurement Mode Response Time Capability Output Filtering Controller Mode Characterization Setup and Methods Evaluation Board Outline Dimensions Ordering Guide