Forum Post: RE: ADS1231 Low number of samples
Hello Bob I tried all things that you have mentioned. There is no improvement at all.
View ArticleForum Post: Power supply for DAC
Hi Justin, For our PCM5142 DAC board. In the power supply section, if we use the LDO LP5907 to drop of 0.6V. from 5V (i,e to achieve 4.4V) How will it affect PSRR and line regulation? Thank you so much...
View ArticleForum Post: RE: ADC Selection with Single Ended Analog Input
Hi Sharvy, you can use 5V AVDD and DVDD with ADS1220 as specified in the 'Recommended Operating Conditions' table in the datasheet. Regards,
View ArticleForum Post: RE: TSW54J60/ADS54J60 interleaving correction behaviour at fs/4
Martin, I would like to attempt to duplicate your test as close as possible. I have a multi-tone generator I can use for a source. I will center the tones at 245.76MHz. How many tones did you use, and...
View ArticleForum Post: Pseudo Differential Vs Single Ended Input- Connectivity in ADC
Hi All, Whether I can connect the pseudo differential input as a normal single ended input in ADC. I have seen many of the ADC's are come with pseudo differential in put with negative input connect to...
View ArticleForum Post: RE: Pseudo Differential Vs Single Ended Input- Connectivity in ADC
Sharvy You can consult the following blog on precision hub: Thanks
View ArticleForum Post: DAC8750 using the REF02A - Powering the REF02A using SMPS
Hi, I"m using an LM5022 SEPIC supply with an output of 12VDC. What problems can I experience using a SMPS to power the REF02A device? Will this impact Vout that feeding my REFIN on the DAC8750 ? Thank...
View ArticleForum Post: RE: AIC3106 code formats
Hello Luis, I guess my question comes down to, do I need to convert the BTC to float before I can use it as a float ( or does the c6748 do it automatically since it's FP-DSP ) ? Regards, Jerome
View ArticleForum Post: RE: Power supply for DAC
Hi Prakash, I cannot give you a definite answer on how this will effect the audio output. It seems this LDO is meant to be a low noise product and therefore should allow the PCM5142 to perform well....
View ArticleForum Post: DAC39J84 questions
FYI, I am the FPGA & software guy on a team at work that is designing a board with the DAC39J84 device. I was also appointed to be the POC within this team for the TI E2E forums. We have some...
View ArticleForum Post: DC-coupling for the ADS52J90 EVM
Hello, I would like to ask, is there a version of ADS52J90 EVM available that uses DC-coupling rather than AC-coupling? Just like the one mentioned in this paper. http://arxiv.org/pdf/1603.08580.pdf...
View ArticleForum Post: RE: ADS7886 conversion data after powerup and restart
Hi Dale-san Thank you very much for your reply. That was very helpful explanation for me. May I ask one more question? Is that possible to input to VIN and SCLK and CS before supplying VDD? Regards,...
View ArticleForum Post: RE: PCM5121 is no audio
Justin-san, I got the registers value passing case and failing case from my customer as shown below. Page 0x00 / Register 0x01 = 0x00(Pass), 0x00(Fail) Page 0x00 / Register 0x02 = 0x00(Pass),...
View ArticleForum Post: RE: ADC34J44: SYNC input
Hi Ken-san, Thanks for your reply. I have some additional questions. 1. Is there the minimum value of Vid (differential input voltage) of SYNC pins because the LVDS Vod is 350mV(typ)? 2. I would like...
View ArticleForum Post: RE: ADS1291 Power Down
Hi Tom, yes i am clocking the device from extern source and the only thing i do is to put PWD/RESET pin low and disable my externel clock source. I am using an external MCU as SPI Master and he is...
View ArticleForum Post: RE: Multiple divice ADS1299 in cascaded mode
Hi Brain, Thanks for your answer.I got it.
View ArticleForum Post: RE: ADS1231 Low number of samples
Hi Bob Thanks for replying. I appreciate your patience with me :) I was not taking shorted input test as you have mentioned. Apology for that. I corrected the setup as per your suggestion. I took 2...
View ArticleForum Post: PCM5121; When in VREF mode, the problem in the case of the...
Hi, My customer intend to use the PCM5121 DAC in VREF mode, I2C mode, audio signal will be fed in using I2S. When in VREF mode, VCOM-pin(10-pin) is connected to a decoupling capacitor to AGND. If this...
View ArticleForum Post: TLV320AIC3262 register settings
Hi, I receive a question about the TLV320AIC3262 register settings from a customer. By a certain setting, TVL320AIC3262 does not output sound from HPR. I show an example of the failure of register...
View ArticleForum Post: ADS1299 Circuit problem
Hi all, We are using the following circuit from the OpenBCI project to make our own EEG acquisition system using ADS1299 . The problem is we are not able to get ceramic capacitors of higher values...
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