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  • ADS4225: Full scale input swing vs gain

    Resolved
    Part Number: ADS4225 Hi, I am a bit confused as to what the full scale differential input swing of the ADC is. The datasheet clearly states that it is 2Vpp when ADC programmable gain is 0dB and 1Vpp when gain is 6dB which makes sense. Now the supply rail…
    • Resolved

  • ADS4225: Startup configuration

    TI Thinks Resolved
    Part Number: ADS4225 Dear Team, Can you please check the customer question below regardin g ADS4225 configuration during power up. ? According to datasheet if i want to configure device serial/parallel i need to use reset line and ctrl,sen lines. What…

  • 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…
    • Answered

  • ADS4225: Finding a proper clock source in conjunction with a pll for the ADC

    Resolved
    Part Number: ADS4225 Other Parts Discussed in Thread: LMK61E2 , LMX2571 Hi, I am building a scope with the ADS 4225 and based on the fact that the max sampling rate is not 1GS/s but 125MS/s i was searching for a way to take full advantage of its' 550MHz…
    • Resolved

  • ADS4225: Using a SDR ADC in a DSO project

    TI Thinks Resolved
    Part Number: ADS4225 Other Parts Discussed in Thread: ADC3224 , , LMK61PD0A2 , LMK00304 , LMK00334 , CDCLVP1204 , LMK61E2-125M , THS4541 Hi, i would like to ask you whether using an ADC designed for software defined radio in a DSO project is wrong. Regarding…
    • Answered

  • ADS4225: ADC buffer candidate & Common mode voltage of the buffer opamp

    Resolved
    Part Number: ADS4225 Other Parts Discussed in Thread: LMH6882 , THS4541 , , LMH6881 , OPA659 , LMH6518 , OPA859 , TINA-TI Hi, as you know this ADC has no internal buffer and therefore i have to find one myself. I have been looking at oscilloscope front end…
    • Resolved
    • Answered

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

    Resolved
    Part Number: ADS4225 Other Parts Discussed in Thread: SN74AVC16T245 , I want to use ADS4225 with 120MHz sampling rate and CMOS Mode. I'm afraid of output impedance mis-match of data bus. It is not easy to use it with LVDS Mode. Therefore I'm considering…
    • Resolved
    • Answered

  • THS4509: Low gain amplifier

    Resolved
    Part Number: THS4509 Other Parts Discussed in Thread: ADS4225 , THS4551 Hi team, Customer wants to use THS4509 to enlarge a singal up to 2.5V, then the singal will go into ADS4225. I find that the min gain of THS4509 is 2(6dB), which will cause THS4509…
    • Resolved

  • ADS4225 in CMOS mode

    Other Parts Discussed in Thread: ADS4225 Hi, I would like to use the ADS4225 in CMOS mode but i need the output clock to be available at startup. Is it possible to start the device in CMOS mode while keeping the serial interface available? Thanks, Chr…

  • Problem with ADS4225 GUI connecting with EVM board (typo corrected

    Other Parts Discussed in Thread: ADS4225 I am tryng to use the GUI for the ADS4225 EVM and it is not connecting to the EVM board after setting up the jumper per the directions in the ADS4225 EVM user's guide

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