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…
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…
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…
Peter,
At this point, my best guess is that the initial load from the CAP combined with another internal load from a lack of AVDD from the is causing a start up problem. I would expect the latter two results (where suppling an external 1.7V supply to…
Brian,
I think you can couple in a sinusoid just using an RC circuit, but it does seem a bit primitive to do it that way instead of using some sort of summing amplifier. I would definitely check the 2200Hz signal to make sure that it isn't further attenuated…
Hi, Just taking note of the possible solutions we found for future cases: Use DM_LVL '11' for maximum timeframe for sending multiple/longer messages. Preamble Byte field is already val+1, so set it to 0 to send only 1 preamble. The DAC8740H takes…
Rohit,
It shouldn't matter if the resistor is before D1 or after D3. The board would generally work because the sinusoid would be seen regardless. However, I still don't fundamentally understand your connections to this device.
The DAC161S997…
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 is the…
Part Number: DAC8740H Hi team,
I’m an analog FAE from east China and I’m supporting SUPCON.
Customer are testing DAC8740H to replace AD5700, and meet a question.
Test background:
Customer use the upper computer to send Hart signal, through…