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National offers low-power DACs in tiny packages

Posted: 05 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:National? Semiconductor? DAC? digital-to-analog converter? DAC082S085?

National Semiconductor Corp. has expanded its portfolio of DACs with the introduction of six new, low-power, 2- and 4-channel DACs in 8-, 10- and 12-bit resolutionsthe DAC082S085, DAC102S085, DAC122S085, DAC084S085, DAC104S085 and DAC124S085. These devices are offered in a 3-by-3mm LLP package as well as an MSOP package.

National said each DAC consumes very little power and has typical settling times of 3sec to 6sec over a supply range of 2.7V to 5.5V. For example, the DAC122S085, a 12bit, 2-channel DAC, consumes less than 1.5mW (max) at 3.6V in normal operation and less than 0.2W (typically) in power-down mode. This low power consumption makes these DACs suited for portable, battery-powered applications in industrial, medical and consumer markets.

National said its DACs and ADCs allow designers to develop a single standard PC board layout that can support multiple devices for seamless upgradeability. Over the past two years, the company has released more than 50 ADCs and DACs. The new DACs are interchangeable, promising customers with a wide selection of resolution and channel options for a broad range of applications.

The DAC124S085, a 12bit, 4-channel DAC, has a typical integral nonlinearity (INL) of less than 2.3 least significant bits (LSB) and a typical differential nonlinearity (DNL) of less than 0.15 LSB.

Each DAC has a rail-to-rail output swing, uses an external reference and operates over a temperature range of -40C to 105C. In addition, each DAC can accept input clock rates up to 30MHz over the entire supply range of 2.7V to 5.25V.

Prices start at $1.20 for the DAC082S085 in 1,000-unit quantities. The MSOP products are already available, while the DACs in LLP packaging will be released later this year.




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Related Datasheets
Part Number Description Category
? DAC122S085 12-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output from the PowerWise? Family Cards and Modules
? DAC102S085 10-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output from the PowerWise? Family Cards and Modules
? DAC084S085 8-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output from the PowerWise? Family Cards and Modules
? DAC104S085 10-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output from the PowerWise? Family Cards and Modules
? DAC124S085 12-Bit Micro Power QUAD Digital-to-Analog Converter with Rail-to-Rail Output from the PowerWise? Family Cards and Modules
? DAC082S085 8-Bit Micro Power DUAL Digital-to-Analog Converter with Rail-to-Rail Output from the PowerWise? Family Cards and Modules

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