Analogue, Mixed Signal, LSI


16-bit DAC

27 April 2011 Analogue, Mixed Signal, LSI

Texas Instruments’ new DAC3484 is a 4-channel, 16-bit DAC sampling at 1,25 GSps while consuming as little as 250 mW per channel. It targets 3G, LTE, WiMAX base stations and repeaters, and software defined radios by enabling wideband power amplifier linearisation of up to 250 MHz; the wider input bus DAC34H84 or the 2-channel DAC3482 are available to support linearisation bandwidth up to 500 MHz. A low-jitter 2x to 32x phase locked loop eliminates the need for an external, low-jitter clock multiplier to match the interpolated rate. 2x to 16x interpolation and two independent 32-bit NCOs (numerically controlled oscillators) lower the interface rate and cost of FPGAs, while providing flexibility in frequency planning.

EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com



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