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LTC2656 DAC has 0.1 per cent gain error

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By Linear Technology now part of Analog Devices on 30th November 200915th December 2015

Product Details Supplier Info More products

Linear Technology has introduced the LTC2656, a 16-bit octal digital-to-analogue converter (DAC) that offers +/-4LSB INL maximum over temperature.

The combination of 0.1 per cent (max) gain error and +/-2mV (max) offset error ensure that LTC2656 remains accurate near the supply rails and provides the user with a wider effective-output range.

The LTC2656’s precision specifications make it suitable for multichannel open- and closed-loop systems typically found in communication systems, industrial process control, automated test equipment (ATE) and programmable logic controllers.

The converter integrates a precision reference that achieves 2ppm/C typical and 10ppm/C maximum temperature coefficient.

By integrating the reference in its 20-pin 4 x 5mm QFN and TSSOP packages, the LTC2656 offers further space reduction for densely packed circuit boards.

Operating from a single 2.7 to 5.5V supply, supply current is 375uA per DAC with the reference activated.

The LTC2656 offers 8.5us settling time for a half-scale step and less than 1nVs crosstalk, resulting in minimal disturbance between DAC channels.

The DAC communicates via a four-wire SPI-compatible interface up to 50MHz and offers a range of options to meet application-specific requirements.

Designers can choose between 16 or 12-bit resolution and an internal 1.25 or 2.048V reference, which produces a full-scale output voltage of 2.5 or 4.096V.

Alternatively, an external reference up to half the supply voltage can be for rail-to-rail operation.

The LTC2656 also includes a hardware option to power up the DAC outputs at zero scale or midscale.

16- and 12-bit DACs are available in production volumes along with the LTC2657, an I2C-compatible 16-bit octal DAC.

Linear Technology now part of Analog Devices

Analog Devices (NASDAQ: ADI) is the leading global high-performance analog technology company dedicated to solving the toughest engineering challenges.

Contact Supplier Visit our website 01628 477066

About Analog Devices
Analog Devices (NASDAQ: ADI) is the leading global high-performance analog technology company dedicated to solving the toughest engineering challenges. We enable our customers to interpret the world around us by intelligently bridging the physical and digital with unmatched technologies that sense, measure, power, connect and interpret. Visit http://www.analog.com

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