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  • DAC7554: REFIN > VDD

    Resolved
    Part Number: DAC7554 Can DAC7554 be powered with VDD = 3.3V, but REFIN = 5V? I think REFIN needs to be less than VDD for typical operation since the output buffer is powered by VDD. However, if the DAC input was restricted such that the output voltage…
    • Resolved

  • RE: DAC7750: The part# DAC7754 issue

    Zhang, I don't know of any device called the DAC7754. Is it possible they are looking for the DAC7554 instead? As far as I know, the DAC7554 is still active. Joseph Wu

  • DAC7554: Alt EVM

    TI Thinks Resolved
    Part Number: DAC7554 Other Parts Discussed in Thread: DAC7551 Hi Team - I saw that the DAC7554EVM is obsolete - is there an alternate EVM you recommend for evaluation? Something we could swap the ICs out on? Thank you!
    • Answered

  • Inquiries regarding error descriptions on DAC7554

    Resolved
    Other Parts Discussed in Thread: DAC7554 , DAC7716 , XTR111 Hello, all Now we have some inquiries regarding error descriptions on DAC7554 from our customer. Please refer to the items below, and feedback us with your comment. 1) When referring page 3, the…
    • Resolved
    • Answered

  • DAC7554 SPI Voltage Levels

    Resolved
    Other Parts Discussed in Thread: DAC7554 I am working on a new design that will use the DAC7754 interfaced from a Xilinx FPGA. The FPGA will have +3.3V outputs. The DAC7554 will be powered from +5V. Looking at the DAC7554 datasheet, it seems vague as to…
    • Resolved
    • Answered

  • DAC7554 problems

    Resolved
    Other Parts Discussed in Thread: DAC7554 Hi We use the DAC7554 and everything was ok for the last 6 Years. (hundreds of Boards). Now with the actual serie they dosn't work anymore. The Printed Code on the Chip is "0ATI - D754" Are ther…
    • Resolved

  • DSK6713 + DAC7554

    Other Parts Discussed in Thread: DAC7554 Hey! I'm trying to talk to my DAC7554 since a while but I have several problems. I hope you can help me! I tried using the CCS tool to configure my daughter card which is a DAC 7554 but I don't even get…

  • CCS/TMS320F28335: How to Interface SPI -DAC with TMS320f28335 DSP

    TI Thinks Resolved
    Part Number: TMS320F28335 Other Parts Discussed in Thread: DAC7554 , C2000WARE Tool/software: Code Composer Studio I am using DAC7554 IC to interface with SPI part of the DSP board. To configure SPI, we need to configure only GPIO16, 17, 18, 19 to generate…

  • RE: CCS/TMS320F28335: TMS320F28335

    Actually i want to use DAC on typhoon HIL where SPI signals are routed to DAC with 12-bit quad DAC7554 ic. DSP SPI DAC GPIO-16/SPISIMO-A DIN GPIO-18/SPICLK-A SCLK GPIO…
    • Answered

  • RE: F28335 SPI Clock Polarity

    Resolved
    void InitSpiaGpio(void) { SpiaRegs.SPICCR.all = 0x000F; SpiaRegs.SPICTL.all = 0x0006; SpiaRegs.SPIBRR = 0x007F; SpiaRegs.SPICCR.all = 0x009f; SpiaRegs.SPIPRI.bit.FREE = 1; } Actually i want to use DAC on typhoon…

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