National Semiconductor ADC121S101, Руководство пользователя

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Table of Contents
1.0 Introduction .......................................................................................................................................... 4
2.0 Board Assembly ................................................................................................................................... 4
3.0 Quick Start ........................................................................................................................................... 4
4.0 Functional Description.......................................................................................................................... 5
4.1 Input (signal conditioning) circuitry......................................................................................... 5
4.2 The ADC reference ................................................................................................................ 5
4.3 ADC clock circuit.................................................................................................................... 5
4.5 Digital Data Output................................................................................................................. 5
4.6 Power Supply Connections.................................................................................................... 5
4.7 Power Requirements ............................................................................................................. 6
4.8 Analog Inputs ......................................................................................................................... 6
5.0 Installing and Using the ADC121S101 Evaluation Board..................................................................... 6
5.1 Software Installation............................................................................................................... 6
5.2 Setting up the ADC121S101 Evaluation Board...................................................................... 6
5.2.1 Board Set-up......................................................................................................... 6
5.2.2 Quick Check of Analog Functions ........................................................................ 6
5.2.3 Quick Check of Software and Computer Interface Operation............................... 6
5.2.4 Getting Consistent Readings................................................................................ 7
5.2.5 Troubleshooting.................................................................................................... 7
6.0 Evaluation Board Specifications........................................................................................................... 7
7.0 Hardware Schematic ............................................................................................................................ 8
8.0 ADC121S101 Evaluation Board Bill of Materials.................................................................................. 9
A1 Summary Tables of Test Points and Connectors ................................................................................. 10
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