Overview
Features and Benefits
- Ultra-Small 3mm x 5mm 8-Pin µMAX Package
- Low 120µA Supply Current
- Fast 1µs Settling Time
- 25MHz SPI/QSPI/MICROWIRE-Compatible Serial Interface
- VREF Range Extends to VDD
- +5V (MAX5441/MAX5442) or +3V (MAX5443/MAX5444) Single-Supply Operation
- Full 16-Bit Performance Without Adjustments
- Unbuffered Voltage Output Directly Drives 60kΩ Loads
- Power-On Reset Circuit Clears DAC Output to Code 0 (MAX5441/MAX5443) or Code 32768 (MAX5442/MAX5444)
- Schmitt-Trigger Inputs for Direct Optocoupler Interface
- Asynchronous Active-Low CLR
Product Details
The MAX5441–MAX5444 are serial-input, voltage-output, 16-bit digital-to-analog converters (DACs) in tiny µMAX® packages, 50% smaller than comparable DACs in 8-pin SOs. They operate from low +3V (MAX5443/MAX5444) or +5V (MAX5441/MAX5442) single supplies. They provide 16-bit performance (±2 LSB INL and ±1 LSB DNL) over temperature without any adjustments. Unbuffered DAC outputs result in a low supply current of 120µA and a low offset error of 2 LSB.
The DAC output ranges from 0 to VREF. For bipolar operation, matched scaling resistors are provided in the MAX5442/MAX5444 for use with an external precision op amp (such as the MAX400), generating a ±VREF output swing.
A 16-bit serial word is used to load data into the DAC latch. The 25MHz, 3-wire serial interface is compatible
with SPI/QSPI™/MICROWIRE®, and can interface directly with optocouplers for applications requiring isolation. A power-on reset circuit clears the DAC output to code 0 (MAX5441/MAX5443) or code 32768 (MAX5442
/MAX5444) when power is initially applied.
A logic low on active-low CLR asynchronously clears the DAC output to code 0 (MAX5441/MAX5443) or code 32768 (MAX5442/MAX5444) independent of the serial interface.
The MAX5441/MAX5443 are available in 8-pin µMAX packages. The MAX5442/MAX5444 are available in 10-pin µMAX packages.
Applications
- Automated Test Equipment (ATE)
- Data Acquisition
- High-Resolution Offset and Gain Adjustment
- Industrial Process Controls
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.