Forum Post: RE: ADS1299 Startup
Hey Tom, For whatever reason I was unable to download your schematic. Try attaching it again, but this time click "Use rich formatting" and use the paperclip symbol to browse your file system for the...
View ArticleForum Post: RE: LeTV is looking for TI solution supporting active noise...
If you are looking for ANC and AEC that runs on an external DSP, please look at DSP Soundware's offerings. www.dspsoundware.com.
View ArticleForum Post: PCM5101A internal reset
Hi, Per datasheet figure 41 in pg 32, Could you advies what is the maximum time required for internal reset? Thanks
View ArticleForum Post: RE: TI AD12J4000 EVM with Xilinx VCU108
Hi Jim, I think I figure out the issue. It is a misunderstanding of the Table 13 of TI datasheet-- the T(tail bits 0000) are at the [3:0] of byte 7, NOT [7:4]. So it looks OK now. Thanks.
View ArticleForum Post: RE: ADC34j22 EVM problems
Reza, Are you referring to the DEV-ADC34J22 EVM? Answers to your questions: 1. All of our JESD204B interface device EVMs use the FMC connector to connect to our TSW14J50 and TSW14J56 capture cards for...
View ArticleForum Post: RE: SW support for ADS1292R
Hey Avinash, You should receive an email with information regarding the source code. What exactly do you mean when you say "silicon level support"? Regards, Brian Pisani
View ArticleForum Post: RE: ads1299 hardware or software problem?
Hi Brian thank you for the Infos. The signalgenerator has a 3 pin connector, a noninverting signal, an inverting signal and a ground The ground from the generator I connected to the "gnd4". (gnd4 is...
View ArticleForum Post: RE: Holter monitor - wireless ECG with ADS1292 and Bluetooth
Hey Vix3c, The reason TI is so careful about telling customers that they can use one of our "designs" in an end-equipment is that TI is really just a chip vendor and providing end-use designs to...
View ArticleForum Post: RE: ads1192 ，SPI read register value
Hey Xin, Could you capture the SPI transaction with an oscilloscope? It's much easier for me to figure out what is wrong when I can see what is happening on the communication lines. Regards, Brian Pisani
View ArticleForum Post: ADS1255 ENOB
Hello there, I'm using an ads1256 converter and a PGA281 front-end configured as Vout = 0.5 * Vin. Using AdcPro I observe 1bit difference in the ENOB measurement from the following set ups: - ADS1256...
View ArticleForum Post: RE: ads1299 hardware or software problem?
Hey Stephen, What do you mean when you say it looks bad? What specifically is happening? Could you collect some data and send it to me? Regards, Brian Pisani
View ArticleForum Post: RE: wrong ads1248 reading value and SPS setting
Fei, I'm glad that you were able to get it to work. I'm a little surprised that the problem was that the AVDD was a little lower than expected. How low was the value? There are some small differences...
View ArticleForum Post: RE: ADS1148 (Eval Board) and TMS320F28377D (Eval Board)...
Prasanth, I'm not sure I understand what the logic analyzer output shows. There's still a lot on MOSI, so I'm not sure what it is that you are writing to the device. Also, it doens't look like there is...
View ArticleForum Post: RE: TLV320AIC3100 MIC IN
Hi, María José, The ACEV-1B EVM has a init script that can be used in order to configure the codec in record and playback modes. In this case, the init script (see below) is already designed to...
View ArticleForum Post: RE: dac3171 register settings
Hi, I'm glad to hear that starting with the reset pulse cleared up the issue. Thanks for letting me know. Regarding the timing for the digital inputs: as you can see in the datasheet the SPI registers...
View ArticleForum Post: RE: ADC10D1500RB, Question
Hi Dongjin Here are two different firmware files you can try: /cfs-file/__key/communityserver-discussions-components-files/68/Older_5F00_Trigger_5F00_Fix.zip...
View ArticleForum Post: RE: wrong ads1248 reading value and SPS setting
Hi, This is a old design. It can work in the old design. Please look at the resistor R70. In this design its value is 10ohm/1%. I can not understand it. I think it should be 0ohm. In my old boards,...
View ArticleForum Post: RE: AIC3256 head phone noise floor
Hi, Deb, The suggested measurements are determined for differential outputs. So, it couldn't be applied for single ended output. Regarding the suggestions of how to lower the noise floor level, I would...
View ArticleForum Post: RE: wrong ads1248 reading value and SPS setting
Fei, I'm glad that worked for you, but I'm not sure that was exactly the original problem. I think the original intent was to low pass filter the supply to make sure the supply was well behaved. Since...
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