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Analog Data Converters Calibration ICs
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Electronic calibration of equipment is reliable, cost effective, and flexible. To make design-in easier, Maxim offers DACs, digital potentiometers (pots), and voltage references specifically optimized for calibration applications. We have example circuits and application notes for electronic calibration.

Calibration Parts

A calibration part is an adjustable device with a predictable power-on-reset (POR) condition. Usually POR will read a value stored in nonvolatile (NV) memory in the device. Alternative devices that POR to zero, midscale, or full-scale can also be used in selected circuits. Maxim adds a C to signify calibration before a common acronym. Thus, CDPot is a calibration digital pot. CDAC is a calibration digital-to-analog converter. A CRef is a calibration voltage reference.

Digital Pots for Calibration
DACs for Calibration
VREFs for Calibration


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MAX5725 Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
The MAX5723/MAX5724/MAX5725 8-channel, low-power, 8-/10-/12-bit, voltage-output digital-to-analo...
  • Eight High-Accuracy DAC Channels
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    • 2.048V, 2.500V, or 4.096V
  • Internal Output Buffer
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    • 4.5µs Settling Time
    • Outputs Directly Drive 2kΩ Loads
  • Small 6.5mm × 4.4mm 20-Pin TSSOP or Ultra-Small 2.5mm × 2.3mm 20-Bump WLP Package
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DS4305 Electronically Programmable Voltage Reference
The DS4305 is a nonvolatile (NV) electronically programmable voltage reference. The reference vo...
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  • Can be Adjusted to Within ±1.5mV
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  • Output Short-Circuit Protection
  • Low Cost
  • Low Power Consumption
  • 4.0V to 5.5V Single-Supply Operation
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DS3901 Triple, 8-Bit NV Variable Resistor with Dual Settings and User EEPROM
The DS3901 is a triple, 8-bit nonvolatile (NV) variable resistor. Each of the resistors has two ...
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MAX5496 10-Bit, Dual, Nonvolatile, Linear-Taper Digital Potentiometers
The MAX5494–MAX5499 10-bit (1024-tap), dual, nonvolatile, linear-taper, programmable voltage-div...
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MAX6220 Low-Noise, Precision, +2.5V/+4.096V/+5V Voltage Reference
The MAX6220 is a low-noise, precision voltage reference with extremely low 20ppm/°C temperature ...
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