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2.7伏至5.5伏140微米轨对轨输出8位DAC在SOT-23转换器AD5300
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The AD5300 is a single， 8-bit buffered voltage output DAC that operates from a single 2.7 V to 5.5 V supply， consuming 115 μA at 3 V. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The AD5300 uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI®， QSPI™， MICROWIRE™， and DSP interface standards. The reference for the AD53001 is derived from the power supply inputs and thus gives the widest dynamic output range. The part incorporates a power-on reset circuit that ensures that the DAC output powers up to 0 V and remains there until a valid write takes place to the device. The part contains a power-down feature that reduces the current consumption of the device to 200 nA at 5 V and provides software selectable output loads while in powerdown mode. The part is put into power-down mode over the serial interface. The low power consumption of this part in normal operation makes it ideally suited to portable battery-operated equipment. The power consumption is 0.7 mW at 5 V， reducing to 1 μW in power-down mode.
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