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+3V/+5V, Low-Power, 8-Bit Octal DACs with Rail-to-Rail Output Buffers

Industry's Smallest and Fastest Buffered Ouput Octal DAC

Product Details

Key Features

Parametric specs for Precision DACs (< 1MHz)
Resolution (bits) 8
# Channels 8
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 4.5
Supply Range (V) (max) 5.5
ICC (mA) (max) 2.6
Settling Time (µs) (typ) 10
Package/Pins QSOP/16
Oper. Temp. (°C) -40 to +85
Budgetary
Price (See Notes)
4.6
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Simplified Block Diagram

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Parameters

Parametric specs for Precision DACs (&lt; 1MHz)
Resolution (bits) 8
# Channels 8
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Ext.
INL (±LSB) (max) 1
Supply Range (V) (min) 4.5
Supply Range (V) (max) 5.5
ICC (mA) (max) 2.6
Settling Time (µs) (typ) 10
Package/Pins QSOP/16
Oper. Temp. (°C) -40 to +85
Budgetary
Price (See Notes)
4.6

Key Features

  • Ultra-Small 16-Pin QSOP Package
  • Single +2.7V to +5.5V Supply Operation
  • Low Supply Current: 1.3mA
  • Low-Power Shutdown Mode
    • 0.24µA (MAX5259)
    • 0.45µA (MAX5258)
  • ±1LSB DNL (max)
  • ±1LSB INL (max)
  • Ground to VDD Reference Input Range
  • Output Buffer Amplifiers Swing Rail-to-Rail
  • 10MHz Serial Interface, Compatible with SPI, QSPI (CPOL = CPHA = 0 or CPOL = CPHA = 1), and MICROWIRE
  • Double-Buffered Registers for Synchronous Updating
  • Serial Data Output for Daisy-Chaining

Applications/Uses

  • Digital Gain and Offset Control
  • Portable Instrumentation
  • Programmable Attenuators
  • Programmable Current Sources

Description

The MAX5258/MAX5259 are +3V/+5V single-supply, digital serial-input, voltage-output, 8-bit octal digital-to-analog converters (DACs). Internal precision buffers swing rail-to-rail, and the reference input range extends from ground to the positive supply. Both the +5V (MAX5258) and the +3V (MAX5259) feature a 10µA (max) shutdown mode.

The serial interface is double buffered: a 16-bit input shift register is followed by eight 8-bit input registers and eight 8-bit DAC registers. The 16-bit serial word consists of 2 "don't care" bits, 3 address bits, 3 control bits, and 8 data bits. Both the input and DAC registers can be updated independently or simultaneously with a single software command. The asynchronous control input, active-low LDAC, provides simultaneous updating of all 8 DAC registers.

The interface is compatible with SPI™, QSPI™ (CPOL = CPHA = 0 or CPOL = CPHA = 1), and MICROWIRE™. A buffered digital data output allows daisy-chaining of serial devices.

The MAX5258/MAX5259 are available in a 16-pin QSOP package.

Simplified Block Diagram

MAX5258, MAX5259: Pin Configuration MAX5258, MAX5259: Pin Configuration 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 .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.