Search tips
Showing 64 results View by: Thread Post Sort by
    Answered

  • DAC8740H: DAC8740H

    Resolved
    Part Number: DAC8740H Other Parts Discussed in Thread: RM48L540 , HALCOGEN , Tool/software: Hi Team , I am working on HART protocol by using DA8740H . I am using RM48L540 MCU and to configure that MCU I have HALCoGen software my issue is if I am…
    • Resolved
    • Answered

  • DAC8740H: DAC8740H Compatibility with the XTR115

    Resolved
    Part Number: DAC8740H Other Parts Discussed in Thread: XTR115 , XTR111 , XTR300 , DAC8741H , DAC8742H Tool/software: Hello, We're currently using the XTR115 current loop transmitter in several of our products. We're now in the process of implementing…
    • Resolved

  • DAC8740H: HART demodulation to UART has framing errors

    Part Number: DAC8740H Tool/software: Hello, I'm building a HART field device (DUT) using the DAC8740H with UART. The Hardware is similar to the reference design Figure 34 in the datasheet (page 33). I'm using a certified USB HART modem as a host…
    • Answered

  • DAC8740H: power-up current

    Resolved
    Part Number: DAC8740H Tool/software: hello TI, we have loop powered HART device working nicely once it gets powered up successfully. BUT we've found that DAC8740H modem something locks during power up. what is the rush current needed for DAC8740H…
    • Resolved

  • DAC8740H: Input AND Output HART circuit question

    TI Thinks Resolved
    Part Number: DAC8740H Other Parts Discussed in Thread: TIDA-060020 Tool/software: TIDA-060020 is the reference circuit for the input scenario while TIDA-01504 is the same for the output configuration. I was tasked to potentially implement both for greatly…

  • DAC8740H: Interfacing Dac8740H with XTR111

    TI Thinks Resolved
    Part Number: DAC8740H Other Parts Discussed in Thread: XTR111 , Hi, I have a query regarding Hart communication. Can we interface XTR111 4-20mA output current IC with Dac8740H for Hart communication ?

  • DAC8740H: Does the power-up and power-down sequences for AVDD and IOVDD matter?

    Part Number: DAC8740H Tool/software: We have recently started to use the TI DAC8740H HART modem in our product. While performing some basic product testing we noticed that HART communication is not always working. After more detailed investigation we…
    • Answered

  • DAC8740H: What is the depth of FIFO of DAC8740H in FF/PA UART interface?

    Resolved
    Part Number: DAC8740H Other Parts Discussed in Thread: PROFIBUS , , DAC8741H Hi, I want to know the depth of FIFO (transmit & receive) of DAC8740H in FF/PA UART interface. I can't find relevant information in the “DAC874xH HART? and FOUNDATION Fieldbus…
    • Resolved
    • Answered

  • DAC8740H: Help with Loop-powered HART Receiver

    Resolved
    Part Number: DAC8740H Other Parts Discussed in Thread: DAC8742HEVM , DAC8742H Hi, I'm designing a 4-20mA loop-powered receiver that also needs to communicate as a HART device. Since I am powering off the loop, I'm planning on having a series of diodes…
    • Resolved
    • Answered

  • DAC8740H: question about carrier detection

    Resolved
    Part Number: DAC8740H Hi team, I received several questions about DAC8740H's carrier detection. Please support. 1) Is the starting point for carrier detection ON the first point where the MOD_IN voltage exceeds the 80-120mVpp threshold? 2) What…
    • Resolved

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