SBAU416B November   2022  – January 2024 ADS9813

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Overview
    1. 1.1 ADS9813EVM and ADS9817EVM Features
  5. 2ADS9813EVM and ADS9817EVM Quick Start Guide
  6. 3Analog Interface
    1. 3.1 ADC Input SMA Connections
    2. 3.2 Voltage Reference
  7. 4Digital Interface and Clock Inputs
    1. 4.1 Digital Interface Connections
    2. 4.2 Clock Select
  8. 5Power Supplies
    1. 5.1 USB Power and When to Power the Board Externally
  9. 6ADS9813EVM and ADS9817EVM Software Reference
    1. 6.1 ADS9813EVM-GUI and ADS9817EVM-GUI Software Installation
    2. 6.2 USB Driver Installation
    3. 6.3 Using the CONFIG Tab
    4. 6.4 Using the Capture Tab
    5. 6.5 Using the INL/DNL Tool
    6. 6.6 Using the Histogram Tab
  10. 7Schematics, Layouts, and Bill of Materials
    1. 7.1 Schematics
      1. 7.1.1 ADS9813EVM Schematics
      2. 7.1.2 ADS9817EVM Schematics
    2. 7.2 Layout
    3. 7.3 Bill of Materials (BOM)
      1. 7.3.1 ADS9813EVM Bill of Materials (BOM)
      2. 7.3.2 ADS9817EVM Bill of Materials (BOM)
  11. 8Revision History

3.1 ADC Input SMA Connections

Each ADC channel is connected to two SMA input connectors. 0402 footprints are provided to add a first-order, low-pass filter network on all ADC channels. By default, the filter capacitors are uninstalled and the filter resistors are populated with 0 ohms. Use NP0/C0G type capacitors and low-tolerance resistors to maintain AC performance when choosing to populate these footprints with a low-pass filter circuit.

Additionally, the ADC negative input connectors (for example, AIN1M) have the option to be shorted to GND with a jumper to allow for single-ended input signals. Figure 3-1 shows the input connections for a digital interface.

GUID-20230329-SS0I-C54B-FZD2-G7XKHRQZPZQB-low.svg Figure 3-1 Input SMA Connections Digital Interface