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  • RE: ADS4225EVM: Not all signal bits arrive to fpga

    Resolved
    the A channel has all bits active. Also I moved the clock phase and I got correct signal (I think). Despite that B channel still has frozen bits. for my application is enough, so I will mark it as solved. Thanks Amy

  • ADS4225EVM: Questions about timing constraints, clocks and input delay primitives

    TI Thinks Resolved
    Part Number: ADS4225EVM Other Parts Discussed in Thread: TSW14DL3200EVM Hi I have read instructions in SLAA545( Interfacing Altera FPGAs to ADS4249 and DAC3482 (TIDA-00069 Reference Guide) ) about interfacing ADS42XX boards to FPGA developments boards. I…
    • Answered

  • RE: ADS4225: Output impedance of DA[0..11] and DB[0..11] when they are used in CMOS Mode

    Resolved
    User, This does not mean the output impedance will be as you suggested. This is a transmission line impedance, not a load impedance. The 22 Ohms was just a suggestion. In many cases, this is not needed or a lower value like 10 Ohms would work just fine…

  • ADS4225: Cannot connect USB interface with ADS4225 EVM

    TI Thinks Resolved
    Part Number: ADS4225 Other Parts Discussed in Thread: ADS4222EVM , Hi, Experts: I am now using ADS4225 EVM and find that I cannot connect the EVM through USB to my laptop by using ADS42xx/58C28 GUI V2.1. Then I use FTDI CHIP ID tool to read back the desrciption…

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