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Forum Post: RE: ADS1298 12 leads ECG question
Hello,What i do not understand about the RLD in figure 58 on page 62 is that appears that in order to use the RLD I must use one of the input channel (in case of figure 58, that would be channel IN8N)...
View ArticleForum Post: Problem with ads8320 input voltage at different sampling rates
Hi,I have the problem that the input voltage of the ads8320 ADC differs at different sampling rates.I can not solve this problem per software.Is there a compatible device available without this...
View ArticleForum Post: DAC8411 - Timing Requirements for Serial Write Operation
Hello,I'd like to confirm Timing Requirements for Serial Write Operation.Test conditions show as followings on the data sheet(on Page7);<Timing Requirements(correct values)>In case of AVdd =...
View ArticleForum Post: RE: ADS8568 - Busy Signal does not go low
Hi Jonathan,Welcome to the e2e forum! Do you have the RESET pin of the ADS8568 tied to a resource on your FPGA? I would suggest that you toggle that pin high after your power on your board. The BUSY...
View ArticleForum Post: RE: best starting point for AIC3100 driver for kernel 3.1x
The URL you posted is the only offical TI recommended source for Linux driver related code for this device.
View ArticleForum Post: RE: Noise in microphone input connected at MIC3L/R of TLV320AIC3106
I forwarded this to the apps engineer who supports this part.
View ArticleForum Post: RE: Having a problem with the TLV5638
Hello Jim,I may need to take a look at your scope captures and the schematic of your circuit to be able to help you debug the issue.Regards,
View ArticleForum Post: RE: LDC1000 EVM GUI 1_0_4_1
Hi Vittorio,This sounds like part of the problem is that the calibration routine in the firmware update procedure went awry. This means that your EVM defaults are not optimal - they could be...
View ArticleForum Post: RE: LDC1000 EVM default PCB coil parameters
Hi Stanislav,The frequency in the Sensor Frequency register is used as a timeout (watchdog). It does not mean that there are oscillations at that frequency -- your tank oscillations would, in almost...
View ArticleForum Post: RE: About the Min value of SCLK and sampling frequency of ADS7958.
How is a reply about the contents asked the other day?For example,ADS7948 of an imitation are the following spec. 0.4MHz(MIN)~40MHz(MAX) May a Min value consider ADS7958 to be 1/100 of Max values?Thank...
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Forum Post: RE: Obtaining a reading as quickly as possible from the ADS1248?
Hi Alex,From page 37 of the ADS1248 datasheet:The means that any calibration command, register write or register read command requires that START be high when it is issued. So to answer your question,...
View ArticleForum Post: ADS1298ECGFE-PDK with Arduino Mega.
Hi,We desperately need your help on this.We are a small group of students using the ADS1298ECGFE-PDK, and are trying to pick signals from electrodes then send them to an arduino to process and display...
View ArticleForum Post: RE: Query related to additional protection required in ADS1148
Hi Dhiren,See the responses to your question in the post I answered previously:http://e2e.ti.com/support/data_converters/precision_data_converters/f/73/p/324650/1129974.aspx#1129974Best regards,Bob B
View ArticleForum Post: RE: ADS1256 voltage Reference
Hi Sivanantham,There are faster delta-sigma ADC's but, faster data rates usually come with higher noise. Right now the ADS1255/6 and ADS1259 are our lowest noise delta-sigma ADC's. The ADS1259 has...
View ArticleForum Post: RE: ADS1282: unexpected behaviour of drdy_n after MUX configuration
Hi Daniel,Glad you found the answer!If you only use the SINC filter, then the settling delay will be much shorter (5 cycles).You may also be interested in the additional information in this related...
View ArticleForum Post: RE: Noise in microphone input connected at MIC3L/R of TLV320AIC3106
It could be a problem with the digital audio interface. When you are using the codec as a slave, it is necessary to provide the exact correct timing. If you are using a non-standard clock and the on...
View ArticleForum Post: RE: What is the ΔΣ modulator frequency for the ADS1118?
Hi Jason,The modulator frequency of both ADS1018 and ADS1118 is 250kHz (as shown in Fig.40) and is independent of the output data rate. Please note that the oscillator frequency, from which the...
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Forum Post: RE: ADS1247 Output
Hi Saumitra,I think your problem is in how you are determining and using the slope. I think it would be best if you looked through this document:http://www.ti.com/tool/TIDA-00095 This TI Designs is a...
View ArticleForum Post: RE: Obtaining a reading as quickly as possible from the ADS1248?
Hi Bob,I included it in the friend request. Let me know if it came in.Thanks,AlexPS: I did the same experiment at 5 SPS and 20 mA input, and the RSD went down to 0.02 % from 0.88 % (at 1000 SPS).
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Forum Post: ADS1298R PGA Gain
I have the MMB0 and the ADS1298R software evaluation package, I started to feed in signals into my inputs and when I set my channel control registers to different PGA gain, it doesn't seem to be doing...
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