MAX5144
+3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs
Ultra Small 14-Bit DAC in a µMAX Package Offers Low-Power Solution
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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 (MAX5141/MAX5142) or +3V (MAX5143/MAX5144) Single-Supply Operation
- Full 14-Bit Performance Without Adjustments
- Unbuffered Voltage Output Directly Drives 60kΩ Loads
- Power-On Reset Circuit Clears DAC Output to Code 0 (MAX5141/MAX5143) or Code 8192 (MAX5142/MAX5144)
- Schmitt-Trigger Inputs for Direct Optocoupler Interface
- Asynchronous Active-Low CLR
Product Details
The MAX5141—MAX5144 are serial-input, voltage-output, 14-bit digital-to-analog converters (DACs) in tiny µMAX® packages, 50% smaller than comparable DACs in an 8-pin SO. They operate from low +3V (MAX5143/MAX5144) or +5V (MAX5141/MAX5142) single supplies. They provide 14-bit performance (±1 LSB INL and DNL) over temperature without any adjustments. The DAC output is unbuffered, resulting in a low supply current of 120µA and a low offset error of 2 LSBs.
The DAC output range is 0V to VREF. For bipolar operation, matched scaling resistors are provided in the MAX5142/MAX5144 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 (MAX5141/MAX5143) or code 8192 (MAX5142/MAX5144) when power is initially applied. A logic low on active-low CLR asynchronously clears the DAC output to code 0 (MAX5141/MAX5143) or code 8192 (MAX5142/MAX5144), independent of the serial interface. The MAX5141/MAX5143 are available in 8-pin µMAX packages and the MAX5142/MAX5144 are available in 10-pin µMAX packages.
Applications
- Automated Test Equipment (ATE)
- Data Acquisition
- High-Resolution 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.
Documentation & Resources
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| MAX5144EUB+ | Material Declaration | Reliability Data | 10-MINI_SO-N/A | |
| Wafer Fabrication Data | MAX5144 Reliability Data |
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