SLAAE49 February   2022 DAC43204 , DAC53004 , DAC53204 , DAC63004 , DAC63204

 

  1.   Design Objective
  2.   Design Description
  3.   Design Notes
  4.   Design Simulations
    1.     Transient Simulation Results
    2.     DC Transfer Simulation Results
  5.   Register Settings
  6.   Pseudo Code Example
  7.   Design Featured Devices
  8.   Design References

Design Objective

Key Input ParameterKey Output SignalRecommended Device
SPI or I2C communication to program DAC codes 0x000 to 0xFFF, GPI trigger0 A to 250 µA, and
0 mA to 20 mA LED current
DAC43204 (8 bit),
DAC53204 (10 bit),
DAC63204 (12 bit)

Objective: Bias an LED with a high-side current source using a smart DAC.