The AD5302ARMZ is a dual 8-bit buffered voltage output Digital-to-analog Converter (DAC) operates from a single 2.5 to 5.5V supply, consuming 230μA at 3V. Its on-chip output amplifier allows the outputs to swing rail-to-rail with a slew rate of 0.7V/μs. The AD5302 utilizes a versatile 3-wire serial interface that operates at clock rates up to 30MHz and is compatible with standard SPI?, QSPI?, MICROWIRE? and DSP interface standards. The reference inputs can be configured as buffered or un-buffered inputs. The outputs of DAC can be updated simultaneously using the asynchronous LDAC input. The parts incorporate a power-on reset circuit, which ensures that the DAC outputs power-up to 0V and remain there until a valid write takes place to the device. The parts contain a power-down feature that reduces the current consumption of the devices to 200nA at 5V and provides software-selectable output loads while in power-down mode.
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