Maxim Integrated MAX541AESA

Description
The MAX541/MAX542 are 16-bit digital-to-analog converters (DACs) that operate from a single 5V supply. They provide 16-bit performance (1LSB INL and DNL) over temperature without any adjustments. The DAC output is unbuffered, resulting in a low supply current of 0.3mA and a low offset error of 1LSB. The DAC output range is 0V to VREF. For bipolar operation, matched scaling resistors are provided in the MAX542 for use with an external precision op amp, generating a VREF output swing. The MAX542 also includes Kelvin-sense connections for the reference and analog ground pins to reduce layout sensitivity. A 16-bit serial word is used to load data into the DAC latch. The 10MHz, 3-wire serial interface is compatible with SPI/QSPI/MICROWIRE™, and it also interfaces directly with optocouplers for applications requiring isolation. A power-on reset circuit clears the DAC output to 0V (unipolar mode) when power is initially applied.

Features
Full 16-Bit Performance Without Adjustments
5V Single-Supply Operation
Low Power: 1.5mW
1us Settling Time
Unbuffered Voltage Output Directly Drives 60kΩ Loads
SPI/QSPI/MICROWIRE-Compatible Serial Interface
Power-On Reset Circuit Clears DAC Output to 0V (unipolar mode)
Schmitt Trigger Inputs for Direct Optocoupler Interface

Applications
High-Resolution Offset and Gain Adjustment
Industrial Process Control
Automated Test Equipment
Data-Acquisition Systems