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

2.1.3 Jumper Information

The jumper setting plays an important role in Smart DAC DIY EVM. The table below identifies all of the available jumper positions and their functions.

JumperDefault positionAvailable optionDescription
J151-2 closed: A0 is connected to VDD

3-4: A0 is connected to SDA

5-6: A0 is connected to SCL

7-8: A0 is connected to GND

A0 select
J23Closed: Short channel 0 of VOUT to VFBOpen: Disconnect channel 0 from VOUT off VFBChannel 0 VFB select
J24Closed: Short channel 1 of VOUT to VFBOpen: Disconnect channel 1 from VOUT off VFBChannel 1 VFB select
J42Closed: Short channel 2 of VOUT to VFBOpen: Disconnect channel 2 from VOUT off VFBChannel 2 VFB select
J43Closed: Short channel 3 of VOUT to VFBOpen: Disconnect channel 3 from VOUT off VFBChannel 3 VFB select

Most smart DAC EVMs have 0 ohm resistor populated connecting VOUT pin to VFB pin. Make sure to depopulate those resistors before utilizing this subsection.