The pin- and software-compatible 16-bit MAX5138 and 12-bit MAX5139 D/A converters are housed in TQFN packages. These precision parts offer an integrated voltage reference that feature a temperature coefficient of 10 ppm/°C. The devices are ideal for industrial process control and portable instrumentation applications, including communication systems, programmable logic controllers, servo loops, and automatic test equipment.
Additional features include an internal buffer, a pin-programmable zero/midscale DAC output, and a power-down feature that reduces power consumption to just 200 nA. The DACs accept a three-wire SPI/QSPI/MICROWIRE/DSP-compatible serial interface. To reduce the number of optocouplers in isolated applications, the serial interface features a READY output for easy daisy-chaining of multiple MAX5138/MAX5139 devices and/or other compatible devices. (Ea/1,000: MAX5138, $3.39; MAX5139, $1.60 — samples available now.)
Maxim Integrated Products, Sunnyvale , CA
Customer Service 888-629-4642
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