Forum Post: RE: Could someone suggest an Audio ADC to me?
Hello York,The latency in ADC's and DAC's are dominated by the decimation and interpolation filters inside the devices. this number can be found by looking for "latency" or "group delay" in the...
View ArticleForum Post: RE: ADS1299 - Pin and Jumper configurations for single-ended EEG...
Hello Greg,did you get an answer of your question, because i am also confused with the description about where to connect the reference an ground electrode onto the board.RegardsMelanie
View ArticleForum Post: RE: TVP7002 Gain and Offset Tolerance
What format is being digitized? Are the correct CSC settings being used for the specific video format being digitized?Use the example setup files on the TVP7002 product folder as a starting point since...
View ArticleForum Post: RE: DAC8728 latching and power-up sequencing
Hi Marc,Sorry for the delay here - I actually went back through the data sheet and realized that the ADS8555 has a slightly different conversion mechanism than what I described last week. Take a look...
View ArticleForum Post: DAC 8728 always outputs 7V.
I am using a DAC 8728. http://www.ti.com/lit/ds/symlink/dac8728.pdfI am connecting to it via a pic 32. I have been able to get the GPIO pin to work and even write to/read from the DAC registers....
View ArticleForum Post: bit duration in output code not correlated to CLK
Hello,actually i'm using an ADS1675 ADC and i've seen that every single bit in output code has a time duration of 1/fclk.What i mean is that if i set 1 MSPS with a fclk=32Mhz in spite every word is...
View ArticleForum Post: RE: Does the PCM4204 meets I2S specification?
Thanks, Dafydd Roche.I could see MSB's and LSB's location , compare with WS and SCK signal, in Phillips I2S specification.Even though there are no mention about ratio, The "Basic Interface Timming"...
View ArticleForum Post: RE: ADS1147 output drifting at Higher Temperatures
Thank you.The circuit itself is in a mostly constant room temperature environment. The probe I am using is the part that is in the measured environment( i.e. chamber). Are there any resources for...
View ArticleForum Post: ADS1293 EVM single lead application
Hi team, My customer is looking for application notes and help connecting the ADS1293 EVM to a single lead application. Can you please help? Abed
View ArticleForum Post: RE: TVP7002 register settings for XGA RGsB input on DM6467T EVM
Unfortunately Larry is no longer with TI.I don't know anything about the DM EVM but you first need to check that one of the SOG inputs to the TVP7002 is connected to the green channel. I would then...
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Forum Post: Can I get a higher value than 74 dB of CMRR using ADS1298? This...
Hi everyone:Here is my problem. Lead off detection, pacemaker detection and all function related with ECG are working great but I can't get a value of CMRR higher than 74dB. I'm entering a signal of...
View ArticleForum Post: RE: LVDS Interface between ADS4125EVM and TSW1200EVM
Prashant,If the data bits are inverted through the traces as you've indicated, then the correct sample will be the inverse of the capture bits.Regards,Matt Guibord
View ArticleForum Post: RE: How do i connect two 3-wire RTDs in a LMP90100 ?
Dongbeom,To answer your final question:Then, How do I connect current source to second RTD ?>> Just as you have drawn up in the schematic in your original post is correct connection. Like Joachim...
View ArticleForum Post: RE: ADS1299 ADS1298 - isolation stage
hi juan: Just power, ok. You have to connect gnd-gnd and pwr-pwr.Now you should use a 250Mohm resistor to connect USB_GND with ADS1298_GND and a DC-DC. Remember that ADS1298 has VDD(digital power) and...
View ArticleForum Post: RE: ADS6145 data accuracy
Thank you KW, you helped me from I don't know anything about ADC to I know something about ADC. I think my problem is the ADS 6145 at 125MHz clock rate couldn't well captured 70 MHz signal, because...
View ArticleForum Post: RE: Problem to initialize ADS131E08
Ming -Based on your graphs, is there something odd with the MOSI line. It tries to pull up between data and then is very slow at the end of the transmission. This could cause invalid data to be...
View ArticleForum Post: RE: ADS1241 Registers
Hi Hamid,If you look at the datasheet within the section towards the end you will see that the write values are don't care once the command has been issued. A couple of things to consider. To verify...
View ArticleForum Post: RE: PurePath Studio Code Generation Problem
Hi,Yes, that link is broken. Let me see what I can find for you.-d2
View ArticleForum Post: RE: ADC12D1800RFRB noise level
Hi Ethan,No; something is incorrect in the setup. Did you calibrate the ADC? Forgetting to calibrate often leads to incorrect performance. After calibrating, with WaveVision5 in the FFT view, please...
View ArticleForum Post: RE: PCM3168A SLAVE MODE NOT WORKING
Hi Madhu, I am looking into this for you and will give you a response soon. Regards, Brian Wang
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