Because of the holidays, TI E2E™ design support forum responses will be delayed from Dec. 25 through Jan. 2. Thank you for your patience.



Search tips
Showing 62 results View by: Thread Post Sort by

  • DAC8742H: position of 0.022uF parallel capacitor in MOD OUT pin

    TI Thinks Resolved
    Part Number: DAC8742H Hi, We are using DAC8742H HART modem in our design. In the datasheet, 0.022uF parallel capacitor in the MOD OUT pin is placed before the coupling capacitor,where as in the EVK it is placed after the coupling capacitor. Could you…
    • 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

  • DAC8742H: Software example using UART and using SPI

    Part Number: DAC8742H Is there an example code available for using DAC8742 via UART and SPI ?

  • DAC8742H: SPI CLOCK SELECT BASED ON FRAME RATE.

    TI Thinks Resolved
    Part Number: DAC8742H hi Every one I am new in Hart Protocol 1.IN above Data Sheet Says the Frame Rate greater than 2242 Nano Seconds , here i got Confused how to select Spi Bus Clock Based on Frame rate . Weather I required 1Mbits , 4 Mbits Etc please…
    • Answered

  • DAC8742H: MOD_OUT amplitude setting

    Resolved
    Part Number: DAC8742H Hi there, Is TX_AMP to set the output voltage of MOD_OUT in HART MODE? If yes, should I change the load resistance to change amplitude from 400mVpp to 800mVpp? Thanks.
    • Resolved

  • DAC8742H: SPI interface with micropython

    TI Thinks Resolved
    Part Number: DAC8742H I am trying to interface a DAC8742 HART ic with micropython on esp32 devboard, using SPI interface. I made a basic circuit for the ic, using the schematics of DAC8742H evaluation module. these are my spi settings: >>> spi…
    • Answered

  • DAC8742H: Is there any more documentation besides the datasheet?

    Resolved
    Part Number: DAC8742H So I am specifically wanting information for a HART application. The datasheet doesn't cover the registers very well. For example, when the chip determines there is a GAP error - what exactly does that mean? Having this answer…
    • Resolved
    • Answered

  • DAC8742H: SPI to PAFF frame

    Resolved
    Part Number: DAC8742H Hello, How can I put more than one byte in the same PAFF frame? In datasheet don't have any timing frame about write or read frames in SPI mode! Thanks
    • Resolved

  • DAC8742H: Does DAC8742H has passed the physical layer test of hart foundation

    TI Thinks Resolved
    Part Number: DAC8742H Other Parts Discussed in Thread: DAC8740H Hi all Now our customer use HART comunication for there pressure transmitter product,we recommend DAC8742H to our customer, but customer want to konw this part has passed the physical layer…

  • DAC8742H: SPI frame rate requirements

    TI Thinks Resolved
    Part Number: DAC8742H Hi, Section 7.4.5.2 of the DAC8742H datasheet starts with the line: "The SPI interface can operate on SCLK speeds up to 12.5 MHz, but the frame-rate must be greater than 2442 ns in HART mode" Could I please clarify the…

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