10-Bit Micro Power QUAD Digital-to-Analog Converter
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DAC104S085 10-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output
June 2006
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Description
www.DataSheet4U.com
DAC104S085 10-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output
June 2006
DAC104S085 10-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output
General Description
The DAC104S085 is a full-featured, general purpose QUAD 10-bit voltage-output digital-to-analog converter (DAC) that can operate from a single +2.7V to 5.5V supply and uses 350 µA at 3V and 500 µA at 5V. The DAC104S085 is packaged in a 10-lead MSOP package. The on-chip output amplifier allows rail-to-rail output swing and the three wire serial interface operates at clock rates up to 40 MHz over the entire supply voltage range. Competitive devices are limited to 25 MHz clock rates at supply voltages in the 2.7V to 3.6V range. The serial interface is compatible with standard SPI™, QSPI, MICROWIRE and DSP interfaces. The reference for the DAC104S085 serves all four channels and can vary in voltage between 1V and VA, providing the widest possible output dynamic range. The DAC104S085 has a 16-bit input shift register that controls the outputs to be updated, the mode of operation, the powerdown condition, and the binary input data. All four outputs can be updated simultaneously or individually depending on the setting of the two mode of operation bits. A power-on reset circuit ensures that the DAC output powers up to zero volts and remains there until there is a valid write to the device. A power-down feature reduces power consumption to less than a microWa...
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