SBAU193E June   2011  – May 2021 ADS8568

 

  1.   Trademarks
  2. 1EVM Overview
    1. 1.1 ADS8568EVM-PDK Kit Features
    2. 1.2 ADS8568EVM Board Features
    3. 1.3 Related Documentation From Texas Instruments
  3. 2EVM Analog Interface
    1. 2.1 ADC Supply, Input, Voltage Reference, and Digital Connections
    2. 2.2 ADC Amplifier Drive
  4. 3Digital Interface
    1. 3.1 Parallel Interface
    2. 3.2 Serial Interface (SPI)
    3. 3.3 Connections to PHI connector
    4. 3.4 Static Signals for ADS8568
    5. 3.5 I2C Bus for Onboard EEPROM
  5. 4Power Supplies
    1. 4.1 Low Dropout Regulator
    2. 4.2 Power Connections and LED Indicators
  6. 5Installing ADS8568EVM Software
  7. 6ADS8568EVM Operation
    1. 6.1 Connecting the Hardware and Running the GUI
    2. 6.2 Jumper Settings for ADS8568EVM
    3. 6.3 EVM GUI Global Settings for ADC Control
    4. 6.4 Time Domain Display
    5. 6.5 Frequency Domain Display
    6. 6.6 Histogram Display
  8. 7Modifying Hardware and Using Software to Evaluate ADS8548 and ADS8528
  9.   A Bill of Materials, Layout, and Schematic
    1.     A.1 Bill of Materials
    2.     A.2 Layout
    3.     A.3 Schematic
  10.   B Revision History

4.2 Power Connections and LED Indicators

The screw terminal block J9 is used to connect the external high voltage supplies. These supplies are not provided in the evaluation module kit and it is expected that you will use low noise lab supply to provide this power (for example, Keysight E3632a). The high voltage supplies have transient voltage suppressor diodes to help protect the ADC from transients. These supplies are typically connected to +/-15 V. For details on operation, see the ADS8568 data sheet. Figure 4-2 also shows how each supply has an LED monitor for quick verification that power is applied.

GUID-20200707-SS0I-8FHP-ZBD1-Z4R6ZFZG4W7V-low.gif Figure 4-2 Supply Connections and Led Monitors