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Showing 40 results View by: Thread Post Sort by

  • DAC38RF84: DAC PLL requirements

    TI Thinks Resolved
    Part Number: DAC38RF84 Other Parts Discussed in Thread: LMK04828 Hi, I am using the DAC38RF84 in my design and when I read the status register, I am getting a high bit at bit 0 of status register 0x05. This makes me understand that the internal PLL is…
    • Answered

  • DAC38RF84: Power Supply Scheme

    Resolved
    Part Number: DAC38RF84 Other Parts Discussed in Thread: TPS62085 , TPS563201 , TPS563240 , TPS563211 , TPS62913 Hi, The power supply scheme in the datasheets suggest the TPS62085 - a 3A step-down with integrated switch (external inductor). These days there…
    • Resolved
    • Answered

  • DAC38RF84: TI-JESD204-IP with DAC38RF84

    Resolved
    Part Number: DAC38RF84 Other Parts Discussed in Thread: TI-JESD204-IP Hello, I am looking to use the DAC38RF84 to generate a Tri-Level Synchronization Pulse for a 12G SDI Camera. Will this device be able to interface with the TI-JESD204-IP? I am using…
    • Resolved

  • DAC38RF84: How to switch two NCO?

    TI Thinks Resolved
    Part Number: DAC38RF84 Hi Experts, Good day. I have this query from client: It shows that two NCO of DAC38RF84 can switch to change one frequency to another frequency quickly. Page #35 of DAC38RF84 D/S, it showed the outputs of NCO1 and NCO2 were summed…
    • Answered

  • DAC38RF84: Setup issues / 6x, 8x interpolation support on DAC38RF84

    Resolved
    Part Number: DAC38RF84 Hi Team, Could you please check the below customer error codes to make sure i'm 100% correct. Customer is evaluating DAC38RF84, and is testing using LMFSHd = 82121, interpolation 6x, 8x. From table 44 of the datasheet this configuration…
    • Resolved
    • Answered

  • DAC38RF84: EXTREF_ENA bit in "Divided Output Clock Configuration Register (CLK_OUT, 0x0C)"

    Resolved
    Part Number: DAC38RF84 Hi, there : Bit 0 of "Divided Output Clock Configuration Register" in DIG_MISC page is EXTREF_ENA. The description says it allows the chip to use external reference or internal reference. Does it mean CLK_OUT use either…
    • Resolved

  • DAC38RF84: spur calculator

    Part Number: DAC38RF84 Other Parts Discussed in Thread: DAC5681 Hello, Can you provide a spur calculator spreadsheet for the DAC38RF84? I found a posting for a calculator for the DAC5681 (below), but it is missing a lot of features of the RF sampling…

  • DAC38RF84: Generate frequency hopping tones through internal NCO without SERDIS input data?

    TI Thinks Resolved
    Part Number: DAC38RF84 Other Parts Discussed in Thread: DAC38RF80 , AFE7950 Dear sir, We try to use DAC38RF84 to generate a frequency hopping tones through internal NCO of DAC38RF84. 1. Because we don't require baseband modulation, can the DAC38RF84…

  • RE: DAC38RF84: DAC38RF84

    Rita, Are you still having issues with this? If not, I would like to close this post. Regards, Jim
    • Answered

  • DAC38RF84: Verilog/System Verilog simulation model

    Resolved
    Part Number: DAC38RF84 Other Parts Discussed in Thread: DAC38J84 Hello, I am developing an FPGA design that has to drive the DAC38RF84 through the JESD204B I/F. It would be useful a Verilog/System Verilog model for RTL simulation during the development…
    • Resolved
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