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Frequent questions

  • [FAQ] LMK5B33216: Determining impact of supply voltage noise and PSNR specification on output phase noise

    Part Number: LMK5B33216 This covers the math to simulate clock output phase noise noise as a result of voltage supply noise using PSNR and then creating a voltage supply noise mask based on your requirements. How to use PSNR data and input voltage…

  • [FAQ] The What and How of TI DPLLs (What is a DPLL? How does a DPLL work?)

    Part Number: LMK5B33216 [DPLL Training Slides] The What-How of TI DPLLs_share, e2e.pdf

  • [FAQ] PLLATINUMSIM-SW: PLL Training Material

    Part Number: PLLATINUMSIM-SW Attached is a detailed training on PLL Theory PLL Fundamentals Full Training (Public).pdf

  • [FAQ] LMK5B33216: How to choose the loop bandwidth for your PLL

    Part Number: LMK5B33216 Here's some information on choosing a loop bandwidth for your PLL to optimize noise performance. The presentation starts with some general theory on noise and PLLs, discusses how to pick loop bandwidth for a "PLL/VCO optimized…

  • [FAQ] TLC555: What are the performance differences expected for TLC555 PCN 20231130002.1?

    Part Number: TLC555 Other Parts Discussed in Thread: , TLC3555-Q1 , TLC3555 Tool/software: PCN 20231130002.1 is the “Qualification of RFAB using qualified Process Technology, Die Revision, Datasheet update and additional Assembly Site/BOM options…

  • [FAQ] Does TI have crosses for obsolete Analog Devices HMC103x, HMC7xx, HMC8xx PLL family products and other discontinued products such as ADF5610 and HMC987 as per the Product Discontinuance Notice issued by ADI on March 22, 2022?

    TI’s wide portfolio of RF PLLs & synthesizers features devices that are potential crosses for Analog Devices HMC103x, HMC7xx, HMC8xx PLL family products and other discontinued products such as ADF5610 and HMC987. With most of TI’s RF PLLs & synthesizers…

  • [FAQ] TPL5010: How to disable the watchdog function of TPL5010

    Part Number: TPL5010 Hi all， I am a FAE of TI，now my customer has a watchdog disabled problem, so I synchronously ask you for a solution： Problem Description: the customer's MCU wants to disable the watchdog function during the recording program…

  • [FAQ] Clock Buffers: How to connect the unused pins?

    When a pin on my clock buffer is not being used, what is the correct termination?

  • [FAQ] Clock Buffers: Can my buffer handle an input while it is powered off?

    If my buffer is powered off can an input go into the device without damaging it?

  • [FAQ] RF synthesizers: How to deal with the unused output differential pin in a RF synthesizer?

    I need single-ended output, how to deal with the unused output differential pin?

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