MAX5633

PRODUCTION

16-Bit DACs with 32-Channel Sample-and-Hold Outputs

Data Sheet (Rev. 4) Product Selection Table
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Overview

  • Integrated 16-Bit DAC and 32-Channel SHA with SRAM and Sequencer
  • 32 Voltage Outputs
  • 0.005% Output Linearity
  • 200µV Output Resolution
  • Flexible Output Voltage Range
  • Remote Ground Sensing
  • Fast Sequential Loading: 1.3µs per Register
  • Burst and Immediate Mode Addressing
  • No External Components Required for Setting Gain and Offset
  • Integrated Output Clamp Diodes
  • Three Output Impedance Options:
    • MAX5631 (50Ω), MAX5632 (500Ω), and MAX5633 (1kΩ)

The MAX5631/MAX5632/MAX5633 are 16-bit digital-to-analog converters (DACs) with 32 sample-and-hold (SHA) outputs for applications where a high number of programmable voltages are required. These devices include a clock oscillator and a sequencer that updates the DAC with codes from an internal SRAM. No external components are required to set offset and gain.
The MAX5631/MAX5632/MAX5633 feature a -4.5V to +9.2V output voltage range. Other features include a 200µV/step resolution, with output linearity error, typically 0.005% of full-scale range (FSR). The 100kHz refresh-rate updates each SHA every 320µs, resulting in negligible output droop. Remote ground sensing allows the outputs to be referenced to the local ground of a separate device.
These devices are controlled through a 20MHz SPI/QSPI™/MICROWIRE®-compatible 3-wire serial interface. Immediate Update Mode allows any channel's output to be updated within 20µs. Burst Mode allows multiple values to be loaded into memory in a single, high-speed data burst. All channels are updated within 330µs after data has been loaded.
Each device features an output clamp and output resistors for filtering. The MAX5631 features a 50Ω output impedance and is capable of driving up to 250pF of output capacitance. The MAX5632 features a 500Ω output impedance and is capable of driving up to 10nF of output capacitance. The MAX5633 features a 1kΩ output impedance and is capable of driving up to 10nF of output capacitance.
The MAX5631/MAX5632/MAX5633 are available in 12mm x 12mm, 64-pin TQFP, and 10mm x 10mm, 68-pin thin QFN packages.

Applications

  • Automated Test Equipment (ATE)
  • Industrial Process Controls
  • Instrumentation
  • MEMS Mirror Servo Control
MAX5633
16-Bit DACs with 32-Channel Sample-and-Hold Outputs
MAX5631, MAX5632, MAX5633: Functional Block Diagram
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Documentation

Data Sheet 1

Technical Articles 2

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