Forum Post: RE: ADS1299 ADS1298 - isolation stage
Hi Miguel,Thanks again, but maybe I wasn't clear. I know how to read the schematics and make the connections. My question is regarding the DC-DC converters I must use in order to get isolation from USB...
View ArticleForum Post: ADS1293 EVM programming
Hi Everyone,We have ADS1293 EVM, installed the software in the PC(GUI), connected the EVM to the PC via USB(USB powered).Connected the Leads to the signal generator and after selecting the RUN option...
View ArticleForum Post: RE: Problem to initialize ADS131E08
Greg,The problem is solved. The CS\ pin needs at low level in all the initialization and RDATAC period.Yes, the hardware Start pin is tied to low.Your comments are helpful and thank you.I have...
View ArticleForum Post: RE: ADS1232REF I need Help
Hi Jose,Use the latest revision of the user's guide as the information is incorrect in the revision you are using with respect to entering configuration...
View ArticleForum Post: RE: PCM2704C / PCM2705C Volume Control
Hello folks,Quick Introduction - I'm the systems engineer who adopted these parts! They are getting a little old now, with little possibility for any silicon changes at this point.I too asked about the...
View ArticleForum Post: RE: Does the PCM4204 meets I2S specification?
Suno,I have been in contact with the DSP team. Here is some advice they have.First - Download the McASP users guide (Document SPRUFM1)You would set up your PCM4204 to do Left Justified Data (with 64BCK...
View ArticleForum Post: RE: ADS1248 data read problem
Hi Sameer,In your initial code block you were writing to the MUX1 register to turn on the internal reference and route the reference to the REF0 pair. I would change the configuration so that instead...
View ArticleForum Post: Question for RDATAC mode from ADS131E08
Hi,In the RDATAC mode, I understand when the first DRDY becomes low, the ADC is able to send 24bit (for status register) + 8ch x 24bit=216bit data. After that, when each following RDRY goes low, the...
View ArticleForum Post: RE: PCM5122 DAC as I2S master troubles with PLL mode
Marco,datasheets are under revision to expose some more registers.In the hardware domain, you will have to use 2 pins to bring in your 12MHz, into the PLL, then out of a GPIO. That GPIO will then be...
View ArticleForum Post: RE: IBIS Model for ADS1251
Hi Dennis,Welcome to the TI E2E forums!We don't have an IBIS model for the ADS1251 to date. The ADS1251 was released in 2001 and IBIS models were not often requested. The ADS1255 is a different design...
View ArticleForum Post: RE: TAS5548 TDM Mode
Thanks for your response!How can I connect the MCBSP (one data line) to the TAS5548(8 channel I2S)? Kristian
View ArticleForum Post: RE: ADS1147 output drifting at Higher Temperatures
Hi Max,There are many things unknown to me with respect to your system. I'm not sure how you are calculating your temperature, the accuracy/# wires of the RTD, the currents used for excitation, etc.....
View ArticleForum Post: RE: tvp5150am1 and DM6446
David,From logs it's not clear where are you facing memory issue but from bootargs I see that you haven't passed memory to the display driver. Video buffers need are fixed. They are based on frame...
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Forum Post: RE: ADS1293 EVM single lead application
Customer has disconnected the IN3 and IN4 and has put in the IN1 into the RLD and was able to get a single lead ECG to work when hooked up to the ADS1293 with the ECG simulator. When alligator clips...
View ArticleForum Post: Driver for dvsdk3 for DM6467t and TVP5158
Hi,I saw this post:http://e2e.ti.com/support/data_converters/videoconverters/f/376/t/41768.aspxand others that were related to this. This was quite awhile ago though, have you guys made a new driver...
View ArticleForum Post: RE: DAC 8728 always outputs 7V.
Warren,This behavior is not expected from the device. I have a few more debug questions.Is the oscillation happening at the input of the OPA4277 or at the output?Can you verify that your reference does...
View ArticleForum Post: RE: ADS1241 Registers
Hi Hamid,Do you have a scope picture of the read data? What do you expect and what are you getting back as results? Is your reassembled data matching the scope data? You may also want to increase...
View ArticleForum Post: RE: ADC12D1600 default register values not as expected
Hi Rob,You're welcome! Debug is always fun; I hope your system works as designed.When is the clock applied to the ADC, relative to the power? The power rails (VA, VTC, VENC, etc.) should come up...
View ArticleForum Post: RE: ADC12D1800RFRB noise level
Hi Ethan,Since you bought the board last year, it has the LMX2531 on it; the LMX2541 is a recent update, but the LMX2531 actually performs better, so that is good for you.From the FFT Readouts tab, the...
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