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Forum Post: RE: ADS1292R: ADS1292R Data retrieval issues

Hi Anakshi, Thank you for your post. Can you recheck all power supplies and VCAPx voltages? Do you see the DRDYn signal toggling after power-on reset procedure is completed? You can find other helpful...

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Forum Post: RE: ADS1115: ADS1115

Hi Ahtisham, The concern in exceeding the absolute maximum ratings is in causing the internal protection diodes to conduct. If excessive current flows, it can damage these diodes internal to the...

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Forum Post: RE: ADS1232: Reading onboard Temperature Sensor

Hi Damian Hörner, See this post about the accuracy of the internal temp sensor, it seems to be more of a coarse measurement that is not trimmed initially. So it is possible the initial value is a few...

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Forum Post: RE: ADS7038-Q1: ADS7038

Hi Pascal, 1. It is not recommended to operate the device without offset calibration. Performance of the device without running offset calibration is not characterized for. Is there any concern at all...

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Forum Post: RE: DAC80516EVM: I2C protocol not reaching

Hi Jean, So your program goes through addresses 0 to 128? It should definitely catch something then. I don't see anything wrong with your sequence either, which is unsurprising since you said it works...

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Forum Post: RE: ADS1299: schematic design and layout note

Hello Jeff, Thank you for your post. You should try to route the P and N channel input traces differentially, but the total impedance does not need to be tightly controlled. The overall impedance...

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Forum Post: RE: ADS8382: Impedance b/w AGND and DGND

Hi Machida-san, Thanks for sharing. Talking to the team, there is likely no intentional path between AGND and DGND, so it is difficult to measure. There may be some unintentional parasitic path...

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Forum Post: RE: DAC8771: Using VNEG_IN to supply power to external...

Neus, I know that there have been others that have used the internal buck-boost to drive external circuitry, but we haven't characterized the device in this way. Looking at the 4-channel version...

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Forum Post: RE: AMC7812EVM-PDK: AMC7812BSRGCR

Hello Nicola, Can you email me this at l-brum@ti.com? also if you have any communication email with Mouser it would be appreciated. Have you reached out to Arrow or Digikey I think those are our top...

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Forum Post: RE: ADS131M06-Q1: ads131m02

Hi, I have noticed you just added an external clock to the XTAL1/CLKIN pin in your latest schematic. Your schematic looks good now, I did not see the REFIN pin of ADS131M06-Q1 in your schematic, I...

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Forum Post: RE: ADC3543: ADC3543 DDR Complex Mode Configuration

Hi SooHwan, I was able to set this up on the lab bench today. Please see attached configuration file for the ADC and see if this works for you. Regards, Rob...

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Forum Post: RE: ADS131M02: AC-coupled input help for ADS131M02

Hi Yucheng, Welcome to TI E2E forum. Can you please let me know what your actual signa from the op-amp (amplitude and common-mode voltage) and also the frequency of your signal are? The transformer in...

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Forum Post: RE: DAC8771: Using VNEG_IN to supply power to external...

Neus, Incidentally, this is the post that I had been referring to:...

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Forum Post: RE: DAC8775: Simplification for 0-20 mA positive output only

Jason, No problem. I would note that if you have the EVM, you could test this with a little bit of modification to the board. Taking Channel A, you could remove the jumper at JP2, and then unsolder...

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Forum Post: RE: DAC38J82: Interfacing DAC with OpAmp, image filter and GAN...

Hi Danidu, With those specifications, I would suggest our THS3491 for the best performance. It can meet your current and speed requirements and most of the headroom requirements. On a 30V supply it...

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Forum Post: ADS7054: Common-mode question

Part Number: ADS7054 Tool/software: The ADC is described as fully differential, but the common-mode range is tightly specified near Vref/2. Will it report, say, 1 volt input if AINP is +1.7 and AINM...

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Forum Post: RE: ADS1299: schematic design and layout note

Hi Ryan, Got it and thank you. Jeff

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Forum Post: RE: DAC5687: whether the configuration of DAC5687 is feasible

In the datasheet, on page 7, several parameters for mode are listed. Can you please provide the parameters for mode 7? We want to use a 60mHz clock and PLL mode to output an intermediate frequency of...

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Forum Post: ADS1298R: ADS1298 - No ECG signal when electrodes are placed on...

Part Number: ADS1298R Tool/software: I have buffer[4000] to get data sample. When i place electrode (10 electrode) on body, my rawdata is constant=32768, and i can't fix it. Do you have any ideal for...

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Forum Post: RE: ADS1292R: ADS1292R Data retrieval issues

Hello Ryan, Thanks for your reply device Id problem is solved and I have found one thing when I m using pc charger that time I am getting clean Ecg but when I am not charging the pc I am getting noisy...

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