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+3V/+5V, 13-Bit, Serial, Voltage-Output DACs with Internal Reference

Industry's First 10ppm/C Internal Reference 13-Bit DACs

Product Details

Key Features

Simplified Block Diagram

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Key Features

  • Single-Supply Operation
    • +5V (MAX5130)
    • +3V (MAX5131)
  • Full-Scale Output Range
    • +4.0955V (MAX5130)
    • +2.04775V (MAX5131)
  • Built-In 10ppm/°C (max) Precision Bandgap Reference
    • +2.5V (MAX5130)
    • +1.25V (MAX5131)
  • Adjustable Output Offset
  • SPI/QSPI/Microwire-Compatible, 3-Wire Serial Interface
  • Pin-Programmable Shutdown Mode and Power Up Reset (0V or Midscale Output Voltage)
  • Buffered Output Capable of Driving 5kΩ> || 100pF or 4-20mA Loads
  • Space-Saving 16-Pin QSOP Package
  • Pin-Compatible Upgrades to the 12-Bit MAX5120/MAX5121
  • Pin-Compatible 14-Bit Upgrades Available (MAX5170/MAX5172)

Applications/Uses

  • Automated Test Equipment (ATE)
  • Digital Gain and Offset Control
  • General Purpose
  • Industrial Process Controls
  • Motion Control

Description

The MAX5130/MAX5131 are low-power, 13-bit, voltage-output digital-to-analog converters (DACs) with an internal precision bandgap reference and output amplifier. The MAX5130 operates on a single +5V supply with an internal reference of +2.5V, and is capable of a +4.0955V full-scale output. If necessary, the user can override the on-chip, <10ppm/°C voltage reference with an external reference. The MAX5131, operating on +3V, delivers its +2.04775V full-scale output with an internal precision reference of +1.25V. Both devices draw only 500µA of supply current, which reduces to 3µA in power-down mode. In addition, their power-up reset feature allows for a user-selectable initial output state of either 0V or midscale and minimizes output voltage glitches during power-up.

The serial interface is compatible with SPI™, QSPI™, and MICROWIRE™, which makes the MAX5130/MAX5131 suitable for cascading multiple devices. Each DAC has a double-buffered input organized as an input register followed by a DAC register. A 16-bit shift register loads data into the input register. The DAC register may be updated independently or simultaneously with the input register. Both devices are available in a 16-pin QSOP package and are specified for the extended-industrial (-40°C to +85°C) temperature range. For pin-compatible 14-bit upgrades, see the MAX5170/MAX5172 data sheet; for pin-compatible 12-bit versions, see the MAX5120/ MAX5121 data sheet.

Simplified Block Diagram

MAX5130, MAX5131: Functional Block Diagram MAX5130, MAX5131: Functional Block Diagram Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .