MAX542

VDD to DGND ...........................................................-0.3V to +6V
CS, SCLK, DIN, LDAC to DGND .................................-0.3V to +6V
REF, REFF, REFS to AGND ..........................-0.3V to (VDD + 0.3V)
AGND, AGNDF, AGNDS to DGND............................-0.3V to +0.3V
OUT, INV to AGND, DGND .......................................-0.3V to VDD
RFB to AGND, DGND...................................................-6V to +6V
Maximum Current into Any Pin...........................................50mA
Continuous Power Dissipation (TA = +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ....727mW
8-Pin SO (derate 5.88mW/°C above +70°C) .................471mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C) .800mW
14-Pin SO (derate 8.33mW/°C above +70°C) ...............667mW
14-Pin Ceramic SB (derate 10.00mW/°C above +70°C..800mW
Operating Temperature Ranges
MAX541 _C_ A/MAX542_C_D. ............... ..............0°C to +70°C
MAX541 _E_ A/MAX542_E_D..............................-40°C to +85°C
MAX542CMJD....................................................-55°C to +125°C
Storage Temperature Range ...........................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

The MAX541/MAX542 are serial-input, voltage-output, 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 (such as the MAX400), 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.

The MAX541 is available in 8-pin plastic DIP and SO packages. The MAX542 is available in 14-pin plastic DIP and SO packages.