The DAC8532 is a dual channel, 16-bit digital-to-analog converter (DAC) offering low
power operation and a flexible serial host interface. Each on-chip precision output amplifier
allows rail-to-rail output swing to be achieved over the supply range of 2.7 V to 5.5 V. The device
supports a standard 3-wire serial interface capable of operating with input data clock frequencies
up to 30 MHz for VDD = 5 V.
The DAC8532 requires an external reference voltage to set the output range of each DAC
channel. The device incorporates a power-on reset circuit which ensures that the DAC outputs power
up at zero-scale and remain there until a valid write takes place. The DAC8532 provides a flexible
power-down feature, accessible over the serial interface, that reduces the current consumption of
the device to 200 nA at 5 V.
The low-power consumption of the device in normal operation makes it ideally suited to
portable battery-operated equipment and other low-power applications. The
power consumption is 2.5 mW at 5 V,
reducing to 1 µW in power-down mode.
The DAC8532 is available in a VSSOP-8 package with a specified operating temperature
range of –40°C to 105°C.
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