14-Bit DACs
MAX5141–MAX5144
19-1849; Rev 1; 5/01
+3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs
General Description
The MAX51...
Description
MAX5141–MAX5144
19-1849; Rev 1; 5/01
+3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs
General Description
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 (±1LSB 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 2LSBs.
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 ...
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