Search tips
Showing 61 results View by: Thread Post Sort by
    Answered

  • DAC8742H: Digital Reset on Power Up

    Resolved
    Part Number: DAC8742H Tool/software: I am currently using a DAC8742H as a HART modem and was wondering about the behavior of the digital reset input. I plan to use the DAC8742H in UART mode and never change the configuration inputs (XEN, CLK_CFG0, IF_SEL…
    • Resolved
    • Answered

  • DAC8742H: Internal vs. External Filter, Oscillator, and Voltage Reference Performance

    Resolved
    Part Number: DAC8742H Tool/software: I am currently using a DAC8742H as a HART modem with internal filtering, voltage reference, and oscillator. The datasheet for the DAC8742H explains that the internal filter uses less components than an external filter…
    • Resolved
    • Answered

  • RE: DAC8742H: UART Communication in DAC8742HEVM

    Resolved
    Ibrahim, The setup for the transmission of the PAFF data is done through a four byte sequence as described in section 7.4.2 in the datasheet that describes the UART interfaced PAFF communication. The four bytes are shown in a diagram of the bytes and…

  • DAC8742H: HART, FOUNDATIONFieldbus or PROFIBUS PA Device implementations

    TI Thinks Resolved
    Part Number: DAC8742H Other Parts Discussed in Thread: PROFIBUS , Hi to all, We are working with one customer who is interested in developing a device that could support all the three protocols the DAC8742H offers. This part fit perfectly in their requirements…
    • Answered

  • DAC8742H: About power consumption of DAC8742H and DAC8740H...

    Resolved
    Part Number: DAC8742H Other Parts Discussed in Thread: DAC8740H , DAC161S997EVM , DAC161S997 Hi Team, Please help to advise the power consumption of DAC8742H and DAC8740H. In the datasheet, there is only statement for the external crystal, still need for…
    • Resolved

  • DAC8742H: Foundation FieldbUS implementation(Stack >>STM32 Micro and DAC8742H physicalLayer

    TI Thinks Resolved
    Part Number: DAC8742H Hello TI We are developing a sensor data gathering and management system, which requires a Foundation Fieldbus Interface. Our project has a 4-20mA current loop physical layer. And it is already implemented. In this regard, we would…
    • Answered

  • DAC8742H: Connecting an external CMOS clock.

    Resolved
    Part Number: DAC8742H Hi ! We are using the DAC8742H in HART mode and have configured XEN, CLK_CFG0 and CLK_CFG1 to accept an external CMOS clock source (generated with a function generator) running at 3.6864 MHz (line 1 in Table 1 on page 16 of the data…
    • Resolved
    • Answered

  • DAC8742H: use case of TX_AMP

    Resolved
    Part Number: DAC8742H Hi team, Under what circumstances would the TX_AMP amplitude adjustment feature be required? Please advise. Thanks,
    • Resolved
    • Answered

  • RE: DAC8742H: test result and/or reference design for IEC61000-4

    Resolved
    Joseph-san, My customer want us to suggest(not guarantee) a protection circuit for DAC8742H against IEC61000-4-4 and 4-5. Could you suggest an example circuit? Datasheet typical application circuit has 40V TVS, ferrite beads and 1000pF capacitor. What…

  • DAC8742H: The case of the Missing Interrupt signal...

    Part Number: DAC8742H I'm using the dev board connected to an 8 bit processor via SPI. I'm able to inject a ten byte HART string of the following bytes: 0xFF 0xFF 0xFF 0xFF 0xFF 0x02 0x80 0x00 0x00 0x82. The Rx FIFO buffer Level is set to 1, and…

Didn't find what you are looking for? Post a new question.