Texas Instruments ADS9218EVM-PDK, User Manual, Page: 2 / 29

Table of Contents
1 Overview .................................................................................................................................................................................. 3
1.1 ADS9218EVM-PDK Features............................................................................................................................................ 3
1.2 ADS9218EVM Features..................................................................................................................................................... 4
2 Analog Interface ...................................................................................................................................................................... 5
2.1 ADS9218 Device Connections........................................................................................................................................... 5
2.2 ADC Differential Input Fully Differential Amplifier (FDA).................................................................................................... 6
2.3 Common Mode Amplifier Drive.......................................................................................................................................... 7
2.4 Voltage Reference.............................................................................................................................................................. 7
3 Digital Interface ....................................................................................................................................................................... 8
3.1 Clock Connection............................................................................................................................................................... 9
4 Power Supplies ..................................................................................................................................................................... 10
5 ADS9218EVM Software Installation ..................................................................................................................................... 11
6 EVM Operation ...................................................................................................................................................................... 13
6.1 Connecting the Hardware and Starting Software............................................................................................................. 13
6.2 Optional Connections to the EVM.................................................................................................................................... 15
6.3 Initial Required Setup on the Config Tab.......................................................................................................................... 16
6.4 Initial Required Setup on the Capture Tab....................................................................................................................... 17
7 Bill of Materials, Schematics, and Layout .......................................................................................................................... 18
7.1 Bill of Materials (BOM)..................................................................................................................................................... 18
7.2 Schematics....................................................................................................................................................................... 20
7.3 Layout.............................................................................................................................................................................. 23
List of Figures
Figure 1-1. System Using GUI and TSWDC155EVM.................................................................................................................. 3
Figure 1-2. System Using FMC to VITA57 and FPGA Kit............................................................................................................ 4
Figure 1-3. ADS9218EVM Block Diagram................................................................................................................................... 4
Figure 2-1. Connections to ADS9218.......................................................................................................................................... 5
Figure 2-2. FDA Driver Schematic............................................................................................................................................... 6
Figure 2-3. Common-Mode Amplifier Drive................................................................................................................................. 7
Figure 2-4. Voltage Reference..................................................................................................................................................... 7
Figure 3-1. FMC Connector Signals Definition............................................................................................................................ 8
Figure 3-2. Clock Connection...................................................................................................................................................... 9
Figure 4-1. Boost Converter, LDO, and Input Polarity Protection.............................................................................................. 10
Figure 5-1. Initial Software Installation....................................................................................................................................... 11
Figure 5-2. Installation Process................................................................................................................................................. 12
Figure 6-1. Connecting the Hardware........................................................................................................................................ 13
Figure 6-2. Start the Software GUI............................................................................................................................................ 14
Figure 6-3. Optional Connections.............................................................................................................................................. 15
Figure 6-4. Initial Required Setup on the Config Tab................................................................................................................. 16
Figure 6-5. Initial Required Setup on the Capture Tab.............................................................................................................. 17
Figure 7-1. ADS9218EVM ADC Connections, Amplifiers, and Reference Schematic.............................................................. 20
Figure 7-2. ADS9218EVM Power Section................................................................................................................................. 21
Figure 7-3. ADS9218EVM Connector to TSWDC155EVM........................................................................................................ 22
Figure 7-4. ADS9218EVM Layout............................................................................................................................................. 23
List of Tables
Table 1-1. Related Documentation.............................................................................................................................................. 3
Table 7-1. Bill of Materials.......................................................................................................................................................... 18
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2 ADS9218EVM-PDK Evaluation Module SBAU409 – SEPTEMBER 2022
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