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Texas Instruments DACx3204/DACx3204-Q1 Digital-to-Analog Converters

Texas Instruments DACx3204/DACx3204-Q1 Digital-to-Analog Converters (DACs) are 12-bit (DAC63204/DAC63204-Q1), 10-bit (DAC53204/DAC53204-Q1), and 8-bit (DAC43204/DAC43204-Q1) quad-channel, buffered voltage-output, and current-output smart DACs. These DACx3204 support Hi-Z power-down mode and Hi-Z output during the power-off condition. The DAC outputs provide a force-sense option for use as a programmable comparator and current sink. The multifunction GPIO, function generation and NVM enable these smart DACs for processor-less applications and design reuse. These devices automatically detect I2C, PMBus, and SPI interfaces and contain an internal reference.

The feature set of the Texas Instruments DACx3204/DACx3204-Q1, combined with the tiny package and low power, make these smart DACs an excellent choice for applications such as voltage margining and scaling, dc set-point for biasing and calibration, and waveform generation. The DACx3204-Q1 devices are AEC-Q100 qualified for automotive applications.

Features

  • Programmable voltage or current outputs with flexible configuration
    • Voltage outputs
      • 1LSB INL and DNL (10-bit and 8-bit)
      • Gains of 1x, 1.5x, 2x, 3x, and 4x
    • Current outputs
      • 1LSB INL and DNL (8-bit)
      • ±25µA, ±50µA, ±125µA, ±250µA output range options
  • Programmable comparator mode for all channels
  • High-impedance output when VDD is off
  • High-impedance and resistive pulldown power-down modes
  • 50MHz SPI-compatible interface
  • Automatically detected I2C, PMBus™, or SPI interface
    • 1.62V VIH with VDD = 5.5V
  • General-purpose input/output (GPIO) configurable as multiple functions
  • Predefined waveform generation: sine wave, triangular, sawtooth
  • User-programmable nonvolatile memory (NVM)
  • Internal, external, or power supply as reference
  • Wide operating range
    • 1.8V to 5.5V power supply
    • –40˚C to +125˚C temperature range
  • 16-pin WQFN (3mm × 3mm) tiny package

Applications

  • Rack server
  • Optical module
  • Inter-DC interconnect (metro)
  • High-performance computing
  • Standard notebook PC

Functional Block Diagram

Block Diagram - Texas Instruments DACx3204/DACx3204-Q1 Digital-to-Analog Converters

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Texas Instruments DACx3204/DACx3204-Q1 Digital-to-Analog Converters