MAX5547

Dual, 10-Bit, Current-Sink Output DAC


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Description

The MAX5547 dual, 10-bit, dual range, digital-to-analog converter (DAC) sinks up to 3.6mA of current, making it ideal for laser-driver-control applications. Parallel the MAX5547 outputs to sink higher current (up to 7.2mA max). Operating from a single +2.7V to +5.25V supply, the MAX5547 typically consumes 1mA (internal reference).

The MAX5547 operates from a precision +2.5V internal 4ppm/°C reference or an external reference in the +2.45V to +2.55V range. The maximum full-scale current-sink range is software programmable to 3.6mA or 1.2mA for each DAC. A 10MHz SPI™-compatible serial interface configures the device. The MAX5547 is available in a 3mm x 3mm x 0.8mm 8-pin TDFN package and is specified over the -40°C to +85°C extended temperature range.
MAX5547: Functional Block Diagram MAX5547: Functional Block Diagram Enlarge+

Key Features

  • Dual Current-Sink DACs
  • 10-Bit Resolution
  • Two Software-Programmable Full-Scale Current Ranges: 3.6mA or 1.2mA
  • Parallelable Outputs for Up to 7.2mA (max)
  • +2.5V Internal Reference Drifts Only 4ppm/°C
  • +2.7V to +5.25V Single-Supply Operation
  • INL: ±1 LSB
  • DNL: ±0.75 LSB (Guaranteed Monotonic)
  • Low +0.8V Output Compliance
  • Ultra-Small, 3mm x 3mm x 0.8mm, 8-Pin TDFN Package

Applications/Uses

  • Average Power
  • Extinction Ratios
  • Laser-Driver Control
  • Modulation Currents
  • PIN-Diode Bias Currents
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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