SLAU898A june   2023  – july 2023

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Setup
      1. 2.1.1 Electrostatic Discharge Caution
      2. 2.1.2 Power Configurations
      3. 2.1.3 Jumper Information
    2. 2.2 Hardware Description
      1. 2.2.1 Theory of Operation
        1. 2.2.1.1 Digital Interface
        2. 2.2.1.2 Analog
        3. 2.2.1.3 Proto Space
        4. 2.2.1.4 LED Biasing Sub Circuit
  9. 3Hardware Design Files
    1. 3.1 Schematic
    2. 3.2 PCB Layout
    3. 3.3 Bill of Materials
  10. 4Additional Information
    1.     Trademarks
  11. 5Related Documentation from Texas Instruments

2.2.1.1 Digital Interface

All of smart DACs support I2C communication protocols and most of them additionally support SPI and PMBus. The DIY EVM contains multiple access points for each digital communication protocol.

Designator Name Component Function
J49 DAC_SPI_TEST Header Provides access to all SPI pins and ground
TP6,TP7,TP9,TP11 DAC_SPI_TESTPOINTS Test points Provides access to corresponding SPI pin
J51 DAC_I2C_TEST Header Provides access to all I2C pins and ground
TP8,TP10 DAC_I2C_TESPOPOINTS Test points Provides access to corresponding I2C pin
J15 A0_SEL Header Provides A0 selection to all Smart DACs that support external address selection