Analogue, Mixed Signal, LSI


Eight-channel bipolar DACs

17 February 2010 Analogue, Mixed Signal, LSI

Texas Instruments has introduced six new digital-to-analog converters (DACs) available in 12-, 14- and 16-bit versions and with either SPI or parallel interface. The eight-channel DAC87x8 family features typical power consumption in normal mode of 14,8 mW/channel, dropping to ±16 V or unipolar 0 to 33 V output range across eight channels. This eliminates the need for an external amplifier, saving cost and reducing board space in automated test equipment (ATE), instrumentation, programmable logic controllers (PLCs), and machine and motion control applications. The converters offer a settling time of 10 μs while maintaining maximum integral nonlinearity (INL) accuracy of ±4 LSB and typical low glitch energy of 1 nVs. Two offset DACs allow for either symmetrical or asymmetrical shifting of the output voltage range, allowing a user to customise the application’s DAC output without sacrificing resolution.

EBV Electrolink, +27 (0)21 402 1940, capetown@ebv.com, www.ebv.com



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