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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fdac53004″>View Datasheet

Texas Instruments DACx3004 Digital-to-Analog Converters (DACs)

Texas Instruments DACx3004 Digital-to-Analog Converters (DACs) are 12-bit (DAC63004) and 10-bit (DAC53004) quad-channel, buffered, voltage-output, and current-output smart DACs. These DACx3004 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 DACx3004, combined with the tiny package and ultra-low power, make these smart DACs an excellent choice for applications such as land mobile radios, pulse oximeters, notebook PCs, and other battery-operated applications for biasing, calibration, and waveform generation.

Features

  • Programmable voltage or current outputs with flexible configuration
    • Voltage outputs
      • 1LSB INL and DNL (10-bit)
      • Gains of 1x, 1.5x, 2x, 3x, and 4x
    • Current outputs
      • 1LSB INL and DNL (8-bit)
      • Unipolar and bipolar output range options from 25μA to 250μA
  • 35μA/channel IDD in voltage-output mode
  • 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 x 3mm) tiny package

Applications

  • Land mobile radio
  • Pulse oximeter
  • Optical module
  • Standard notebook PC

Functional Block Diagram

Block Diagram - Texas Instruments DACx3004 Digital-to-Analog Converters (DACs)

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Texas Instruments DACx3004 Digital-to-Analog Converters (DACs)