The DAC3283 is Texas Instruments’ new 16-bit, 800 MSps interpolating digital-to-analog converter (DAC), which provides 75 dBc third-order intermodulation distortion (IMD3) at 200 MHz. Offered in a 7 x 7 mm QFN package, the device saves valuable board space in wireless communications, software defined radio (SDR), test and measurement, and power amplifier linearisation applications. Incorporating a single Byte wide differential interface, the DAC3283 reduces data input pins, allowing designers to choose a lower-cost FPGA or ASIC to precede the DAC. I/Q phase and offset correction provides enhanced performance when driving quadrature modulators in demanding 3G, 4G and multicarrier systems with transmit frequencies from 50 MHz to 6 GHz. MultiDAC synchronisation support reduces design complexity for diversity and smart antenna radios.
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