The AD5304BRMZ is a quad 8-bit buffered voltage output Digital-to-analog Converter (DAC) operates from a single 2.5 to 5.5V supply, consuming 500μA at 3V. Its on-chip output amplifier allows rail-to-rail output swing to be achieved with a slew rate of 0.7V/μs. A 3-wire serial interface is used and it operates at clock rates up to 30MHz and is compatible with standard SPI, QSPI, MICROWIRE and DSP interface standards. The outputs of DAC can be updated simultaneously using the software LDAC function. The parts incorporate a power-on reset circuit and ensure that the DAC outputs power up to 0V and remains there until a valid write takes place to the device. The parts contain a power-down feature that reduces the current consumption of the device to 200nA at 5V. The low power consumption of this part in normal operation makes them ideally suited to portable battery-operated equipment.
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