The DAC124S085 device is a full-featured, general-purpose, quad, 12-bit, voltage-output, digital-to-analog converter (DAC) that can operate from a single 2.7-V to 5.5-V supply and consumes 1.1 mW at 3 V and 2.4 mW at 5 V. The DAC124S085 is packaged in 10-pin WSON and VSSOP packages.
The 10-pin SON package makes the DAC124S085 the smallest quad DAC in its class. 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 2.7-V to 3.6-V range. The serial interface is compatible with standard SPI, QSPI, MICROWIRE, and DSP interfaces.
The reference for the DAC124S085 serves all four channels and can vary in voltage between 1 V and VA, providing the widest possible output dynamic range. The DAC124S085 has a 16-bit input shift register that controls the outputs to be updated, the mode of operation, the power-down 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 microWatt with three different termination options.
The low power consumption and small packages of the DAC124S085 make it an excellent choice for use in battery-operated equipment.
The DAC124S085 is one of a family of pin-compatible DACs, including the 8-bit DAC084S085 and the 10-bit DAC104S085. The DAC124S085 operates over the extended industrial temperature range of –40°C to 105°C.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DAC124S085 12-Bit Micro Power Quad Digital-to-Analog Converter With Rail-to-Rail Output datasheet (Rev. G) | PDF | HTML | 26 Apr 2016 |
| EVM User's guide | DAC124S085EVM User's Guide | 08 Aug 2014 | ||
| Application note | AN-2001 Daisy Chaining Precision DACs (Rev. A) | 01 May 2013 | ||
| User guide | 8,10,12-Bit Dual/Quad DAC with Rail-to-Rail Output User Guide | 23 Feb 2012 | ||
| White paper | Optimizing Portable Applications with D/A Converters | 01 Sep 2006 |
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The DAC124S085EVM is a demonstration kit for the DAC124S085, a 12-bit, 4-channel, 6µs settling time, Serial Interface digital-to-analog converter. The EVM allows users to evaluate the operation and performance of the DAC124S085 data converter. The EVM features a small size layout that (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSSOP (DGS) | 10 | Ultra Librarian |
| WSON (DSC) | 10 | Ultra Librarian |
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