MAX5251

PRODUCTION

+3V, Quad, 10-Bit Voltage-Output DAC with Serial Interface

+3V DAC with Configurable Output Allows Flexible Output Swings

Data Sheet (Rev. 1) Product Selection Table
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Overview

  • Four 10-Bit DACs with Configurable Output Amplifiers
  • +3.0V to +3.6V Single-Supply Operation
  • Low Supply Current: 0.8mA Normal Operation 3µA Shutdown Mode
  • Available in 20-Pin SSOP
  • Power-On Reset Clears all Registers and DACs to Zero
  • SPI/QSPI and MICROWIRE Compatible
  • Simultaneous or Independent Control of DACs Through 3-Wire Serial Interface
  • User-Programmable Digital Output
  • Schmitt-Trigger Digital Inputs for Direct Optocoupler Interface
  • 12-Bit Upgrade Available: MAX5253

The +3V MAX5251 combines four low-power, voltage-output, 10-bit digital-to-analog converters (DACs) and four precision output amplifiers in a space-saving, 20-pin package. In addition to the four voltage outputs, each amplifier's negative input is also available to the user. This facilitates specific gain configurations, remote sensing, and high output drive capacity, making the MAX5251 ideal for industrial-process-control applications. Other features include software shutdown, hardware shutdown lockout, an active-low reset that clears all registers and DACs to zero, a user-programmable logic output, and a serial-data output.

Each DAC has a double-buffered input organized as an input register followed by a DAC register. A 16-bit serial word loads data into each input/DAC register. The 3-wire serial interface is compatible with SPI™/QSPI™ and MICROWIRE™. It allows the input and DAC registers to be updated independently or simultaneously with a single software command. All logic inputs are TTL/CMOS-logic compatible.

Applications

  • Automated Test Equipment (ATE)
  • Digital Offset and Gain Adjustments
  • Industrial Process Controls
  • Microprocessor-Controlled Systems
  • Motion Control
  • Remote Industrial Controls
MAX5251
+3V, Quad, 10-Bit Voltage-Output DAC with Serial Interface
MAX5251: Functional Block Diagram
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Documentation

Data Sheet 1

Technical Articles 2

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 2
MAX5250
PRODUCTION Low-Power, Quad, 10-Bit Voltage-Output DAC with Serial Interface
MAX5253
PRODUCTION +3V, Quad, 12-Bit Voltage-Output DAC with Serial Interface
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