SLAU298A November   2009  – May 2021

 

  1.   Trademarks
  2. 1ADS8555EVM-PDK Overview
    1. 1.1 ADS8555EVM-PDK Features
    2. 1.2 ADS8555EVM Features
  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 I2C Bus and EEPROM
    4. 3.4 Connections to the PHI Connector
  5. 4Power Supplies
    1. 4.1 External Power Connections and Test Points
    2. 4.2 Low-Dropout Regulator (TPS7A3001 for HVSS)
    3. 4.3 Low-Dropout Regulator (TPS7A4700 for AVDD, HVDD)
  6. 5Installing the ADS8555EVM Software
  7. 6ADS8555EVM Operation
    1. 6.1 Connecting the Hardware and Running the GUI
    2. 6.2 Jumper Settings for the ADS8555EVM
    3. 6.3 Modifying Hardware and Using Software to Evaluate Other Devices in the Family
    4. 6.4 EVM GUI Global Settings for ADC Control and Registers
    5. 6.5 Time Domain Display
    6. 6.6 Frequency Domain Display
    7. 6.7 Histogram Display
  8. 7Bill of Materials, Layout, and Schematics
    1. 7.1 Bill of Materials
    2. 7.2 Board Layout
    3. 7.3 Schematics
  9. 8Revision History

4 Power Supplies

The ADS8555 device uses four power supplies: AVDD (5 V), BVDD (3.3 V), HVDD (12 V), and HVSS (–12 V). The two high-voltage power supplies require an external ±15-V supply and are connected on a screw terminal strip (J1). The ±15-V supplies are regulated from ±15 V to ±12 V for HVDD and HVSS. The digital voltage supply (BVDD), is generated with the USB power. The analog supply (AVDD) is generated using the external 15-V supply and an LDO to generate 5 V.
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