Intel® Stratix® 10 Analog to Digital Converter User Guide

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ID 683612
Date 2/09/2021
Public
Document Table of Contents
Document Table of Contents x
1. Intel® Stratix® 10 ADC Overview 2. Intel® Stratix® 10 ADC Architecture and Features 3. Intel® Stratix® 10 ADC Design Considerations 4. Intel® Stratix® 10 ADC Implementation Guides 5. Intel® Stratix® 10 ADC IP Core References 6. Intel® Stratix® 10 Analog to Digital Converter User Guide Archives 7. Document Revision History for the Intel® Stratix® 10 Analog to Digital Converter User Guide
1. Intel® Stratix® 10 ADC Overview x
1.1. Release Information for Voltage Sensor and Temperature Sensor Intel® FPGA IP Cores
2. Intel® Stratix® 10 ADC Architecture and Features x
2.1. Intel® Stratix® 10 Voltage Sensor 2.2. Intel® Stratix® 10 Temperature Sensing Diodes
2.1. Intel® Stratix® 10 Voltage Sensor x
2.1.1. Voltage Conversion
2.2. Intel® Stratix® 10 Temperature Sensing Diodes x
2.2.1. Internal Temperature Sensor 2.2.2. External Temperature Sensor 2.2.3. Temperature Sensor Channels and Locations 2.2.4. Temperature Sensor Error Codes
2.2.1. Internal Temperature Sensor x
2.2.1.1. Temperature Calculation for the Internal Temperature Sensor
3. Intel® Stratix® 10 ADC Design Considerations x
3.1. Guidelines: Selecting Temperature Sensing Chip to Interface with the Intel® Stratix® 10 External TSD 3.2. Guidelines: Using External Temperature Sensors 3.3. Guidelines: Calibrate Temperature Sensing Chip Interfacing the Intel® Stratix® 10 External TSD
4. Intel® Stratix® 10 ADC Implementation Guides x
4.1. Sampling the Intel® Stratix® 10 Voltage Sensor Channels 4.2. Reading the Intel® Stratix® 10 Internal Temperature Sensing Diodes
5. Intel® Stratix® 10 ADC IP Core References x
5.1. Voltage Sensor Intel® FPGA IP Digital Signals 5.2. Temperature Sensor Intel® FPGA IP Digital Signals
1. Intel® Stratix® 10 ADC Overview
2. Intel® Stratix® 10 ADC Architecture and Features
3. Intel® Stratix® 10 ADC Design Considerations
4. Intel® Stratix® 10 ADC Implementation Guides
5. Intel® Stratix® 10 ADC IP Core References
6. Intel® Stratix® 10 Analog to Digital Converter User Guide Archives
7. Document Revision History for the Intel® Stratix® 10 Analog to Digital Converter User Guide

2.1. Intel® Stratix® 10 Voltage Sensor

The on-chip voltage sensor in Intel® Stratix® 10 is an 8-bit full differential ADC.

The voltage sensor monitors two external differential inputs and five internal power supplies. To read the voltage values through the SDM, use the Voltage Sensor IP core.

Figure 1.  Intel® Stratix® 10 Voltage Sensor


Figure 2.  Voltage Sensor IP Core Block Diagram


The ADC samples the voltage at regular intervals. When the Voltage Sensor IP core sends voltage sampling request to the SDM, the SDM returns the most recently read voltage value. The IP core then returns the observed voltage value as an unsigned 32-bit fixed point binary number.

The maximum value of the external analog signal (differential scale) is 1.24 V. Although the ADC supports input voltages up to 1.24 V, the Voltage Sensor IP core can monitor the internal 1.8 V VCCIO_SDM and VCCPT power supplies. A built-in voltage divider halves these voltages before the ADC measures them. The SDM then doubles the values in the ADC read outs.

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