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DAC3484: Bandwidth

SM
Expert 1780 points

Part Number: DAC3484
Other Parts Discussed in Thread: DAC34H84, DAC3482

Hello,

     What is the maximum signal bandwidth that can be generated using the DAC3484 when used with an external IQ modulator (ex the TRF series). We need to generate signals with a bandwidth of 500MHz. Please advise,

  • 0
    TI__Guru* 83035 points

    Hi,

    The max input data rate is 312.5MSPS due to the maximum LVDS bus (in interleave fashion) of 1.25Gbps. The 312.5MSPS of input data rate multiplies with about 80% FIR roll-off is 250Mhz wide BW.

    To have 500MHz of BW, you can consider using DAC3482 or DAC34H84