MAX5216BGUA+

The MAX5216BGUA+ is a 16bit, low power, buffered output, rail to rail DAC with SPI Interface in 8 pin µMAX package. The device use a precision external reference applied through the high resistance input for rail to rail operation and low system power consumption. It features a 3-wire serial interface to save board space and to reduce the complexity in isolated applications. The MAX5216 minimize the digital noise feed through from input to output with SCLK and DIN input buffers powered down after completion of each serial input frame. On power-up, the MAX5216 reset the DAC output to zero, providing additional safety for applications that drive valves or other transducers that need to be off on power-up. The DAC output is buffered resulting in a low supply current of 80μA (max) and a low offset error of ±0.25mV. A zero level applied to the CLR pin asynchronously clears the contents of the input and DAC registers and sets the DAC output to zero independent of the serial interface.

• Supply voltage range is 2.7V to 5.5V
• Operating temperature range from -40°C to 105°C
• Relative accuracy of ±1.2LSB INL
• Monotonic over all operating ranges
• Low gain of -0.04%FS and offset error of ±0.25mV
• Rail to rail buffered output operation
• Safe power-on reset (POR) to zero DAC output
• Fast 50MHz, 3-wire, SPI/QSPI/MICROWIRE compatible serial interface
• Schmitt trigger inputs for direct optocoupler interface
• Buffered voltage output directly drives 10Kohm loads

애플리케이션

Signal Processing, Portable Devices, Communications & Networking

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