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  • DAC7811: What is the function of Pin 1(DIG_ANA_IN) for DAC7811 Pspice model and how to use this function

    Resolved
    Part Number: DAC7811 Other Parts Discussed in Thread: PSPICE-FOR-TI , Dear Product line engineer: one thing need your supporting as below. I use Pspice-for-TI to do simulation for supporting customer and need use DAC7811. then I'm a little puzzle for pin…
    • Resolved

  • RE: DAC7811: DAC7811 Gain is not updating as expected

    Hi Sreekanth , It's highly unlikely that gain will change with Vin. Can you please provide the some more detail : 1. Vin vs Vout (at the IOUT node) table/plot 2. VDD node voltage, R2/R71 values. Thanks, Sanjay
    • Answered

  • DAC7811: Daisy-chain disable is required when the only one device is used?

    Resolved
    Part Number: DAC7811 Hi team, When only one device is used and the daisy chain is not required, does the command, "Daisy-chain disable" need to be sent? Regards, Noriyuki Takahashi
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    • Answered

  • DAC7811: Shutting off VREF while supplying VDD

    Resolved
    Part Number: DAC7811 Hi, we're currently using the DAC7811 in the typical "Single Supply Unipolar Multiplying DAC" configuration. We'd like to update the design to use a 3.3V supply while being able to shut off the 5V / VREF supplies to save power. Are…
    • Resolved
    • Answered

  • DAC7811: please help create Pspice model for DAC7811

    Resolved
    Part Number: DAC7811 dear product line engineer. could you please help to find someone in your team who can help me to create a Pspice model for DAC7811. my customer use this parts in their new design and I need to do some simulation to help customer…
    • Resolved
    • Answered

  • DAC7811: DAC7811 Daisy Chain "freezing" issue

    Resolved
    Part Number: DAC7811 We are using DAC7811 in a new design in daisy chain mode. 32 bits in one sequence. There are certain data pattern that lead to "freezing" the DAC7811. After sending these pattern the DAC will not accept any further data. The output…
    • Resolved
    • Answered

  • DAC7811: dac7811 has no output

    Resolved
    Part Number: DAC7811 Other Parts Discussed in Thread: REF5025 , OPA277 Hello Team, The customer has questions about dac7811. The SCLK is 25 MHz. When DAC7811 is driven by FPGA, the timing diagram is as follows: Circuit is Figure 30 in the dac7811 datasheet…
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    • Answered

  • DAC7811: About DAC7811 circuit

    Resolved
    Part Number: DAC7811 Other Parts Discussed in Thread: DAC8811 Hi team, I am considering replacing another maker's multiplying DAC with DAC7811 at my customer. Please see the attached file. DAC_circuit.xlsx I think that DAC7811 is usable and the Cf can…
    • Resolved

  • REF5025: Can a single REF5025 be used as Vref for 2 DAC7811?

    TI Thinks Resolved
    Part Number: REF5025 Other Parts Discussed in Thread: DAC7811 , Hi There, I have a design with two DAC7811, using the REF5025 as VREF. I was wondering whether it is possible/recommended to use one of the REF5025 as VREF for both DACs or if it is better…
    • Answered

  • DAC7811EVM: Increase slew rate of DAC7811

    Resolved
    Part Number: DAC7811EVM Other Parts Discussed in Thread: DAC7811 , BUF634A , OPA2277 , THS3062 Hi. I am using DAC7811EVM board. I would like to increase the slew rate of DAC7811 output. OPA 2277 on the evaluation board has a low slew rate. So, I chose BUF634a…
    • Resolved

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