Buffered, Fast-Settling, Dual, 12-/10-/8-Bit, Voltage-Output DACs

Buffered, Fast-Settling, Dual, 12-/10-/8-Bit, Voltage-Output DACs Provide Excellent Static Accuracy

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The MAX5290–MAX5295 dual, 12-/10-/8-bit, voltage-output digital-to-analog converters (DACs) offer buffered outputs and a 3µs maximum settling time at the 12-bit level. The DACs operate from a 2.7V to 5.25V analog supply and a separate 1.8V to 3.6V digital supply. The 20MHz 3-wire serial interface is compatible with SPI™, QSPI™, MICROWIRE™, and digital signal processor (DSP) protocol applications. Multiple devices can share a common serial interface in direct access or daisy-chained configuration. The MAX5290–MAX5295 provide two multifunctional, user-programmable, digital I/O ports. The externally selectable power-up states of the DAC outputs are either zero scale, midscale, or full scale. Software-selectable FAST and SLOW settling modes decrease settling time in FAST mode, or reduce supply current in SLOW mode.

The MAX5290/MAX5291 are 12-bit DACs, the MAX5292/MAX5293 are 10-bit DACs, and the MAX5294/MAX5295 are 8-bit DACs. The MAX5290/MAX5292/MAX5294 provide unity-gain-configured output buffers, while the MAX5291/MAX5293/MAX5295 provide force-sense-configured output buffers. The MAX5290–MAX5295 are specified over the extended -40°C to +85°C temperature range, and are available in space-saving 4mm x 4mm, 16-pin thin QFN and 6.5mm x 5mm, 14-pin and 16-pin TSSOP packages.
MAX5290, MAX5291, MAX5292, MAX5293, MAX5294, MAX5295: Functional Block Diagram MAX5290, MAX5291, MAX5292, MAX5293, MAX5294, MAX5295: Functional Block Diagram Enlarge+

Key Features

  • Dual, 12-/10-/8-Bit Serial DACs in 4mm x 4mm Thin QFN and TSSOP Packages
  • 3µs (max) 12-Bit Settling Time to 1/2 LSB
  • Integral Nonlinearity
    • 1 LSB (max) MAX5290/MAX5291 A-Grade (12-Bit)
    • 1 LSB (max) MAX5292/MAX5293 (10-Bit)
    • 1/2 LSB (max) MAX5294/MAX5295 (8-Bit)
  • Guaranteed Monotonic, ±1 LSB (max) DNL
  • Two User-Programmable Digital I/O Ports
  • Single +2.7V to +5.25V Analog Supply
  • +1.8V to AVDD Digital Supply
  • 20MHz 3-Wire SPI-/QSPI-/MICROWIRE- and DSP-Compatible Serial Interface
  • Glitch-Free Outputs Power Up to Zero Scale, Midscale or Full Scale
  • Unity-Gain- or Force-Sense-Configured Output Buffers


  • Automated Test Equipment (ATE)
  • Automatic Tuning
  • Digital Offset and Gain Adjustments
  • Fast Parallel DAC to Serial DAC Upgrades
  • Industrial Process Controls
  • Microprocessor (µP)-Controlled Systems
  • Motion Control
  • Portable Instrumentation
  • Power Amplifier Control
  • Programmable Attenuators
  • Programmable Voltage and Current Sources

See parametric specs for Precision DACs (247)

Part NumberResolution
# ChannelsOutput TypeReferenceINL
InterfaceSupply Range
Supply Range
Settling Time
Package/PinsOper. Temp.
(max)(min)(max)(max)(typ)(See Notes)
MAX5290 122Voltage- BufferedExt.
Serial - SPI1.85.250.83
-40 to +85$4.49 @1k
MAX5291 12
$4.77 @1k
MAX5292 1010.82.5
$3.25 @1k
MAX5293 1011.22.5
$3.41 @1k
MAX5294 80.50.82
$5.58 @1k

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Product Reliability Reports: MAX5290.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

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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