Forum Post: TSW14J56EVM: Utilizing SYSREF Input to FPGA to Synchronize with...
Part Number: TSW14J56EVM Hello, I am currently using a TSW14J56EVM FPGA mated with an ADC12J4000EVM ADC as part of a radar application. From signal generation to capture there are some slight...
View ArticleForum Post: RE: DAC8532: DAC8532 without moisture barrier bag
Hi Teach Me, I believe MSL level 2 allows the device to be out of moisture control for a year before being mounted. I am not sure why these devices were shipped without one or if it is standard to ship...
View ArticleForum Post: RE: ADS1262: Signal problems
Hi Mario, I'm glad to hear that you resolved the issue, and thanks for sharing your solution! There is no issue with grounding the unused input pins; however, for measurements that utilize the internal...
View ArticleForum Post: ADS1282EVM-PDK: Anything in the EEPROM would prevent me from...
Part Number: ADS1282EVM-PDK I’m currently playing with an ADS1282EVM-PDK and I would like to design a new daughter board. I would use the same ADC, but changing the input stage and some PS and digital...
View ArticleForum Post: RE: ADS5404: SYNC Input
Hello TQ One of our ADC experts is reviewing your question and will respond soon. Best regards, Jim B
View ArticleForum Post: RE: DAC81416: DAC81416 Vcc positive power minimum requirements
Andrey, We will need to check with the Designers responsible for this device to check the background behind the 9V minimum VCC supply recommendation. Specifically we will want to check whether there is...
View ArticleForum Post: RE: DAC9881: Power-Supply Sequence
Itabi-san, I believe the reason behind the power-supply sequence comments in the datasheet are due to the AVDD supply being the input to the internal POR comparator. If IOVDD were to come up first, the...
View ArticleForum Post: RE: TSW14J56EVM: Utilizing SYSREF Input to FPGA to Synchronize...
Hi Russell We're looking into what is possible. I hope to have more information by end of day on Monday. Best regards, Jim B
View ArticleForum Post: DAC38J84: 4 independent outputs
Part Number: DAC38J84 Dear all, is there anyway to generate 4 independent outputs from the DAC38J84 ? For instance, what about bypassing the NCO ? regards, Domenico
View ArticleForum Post: RE: Compiler/ADS1298ECGFE-PDK: FFT results not matching with...
Hi Vasanth, Thanks for the updates. Let me address a few points first: 1. To convert Volts to Magnitude (dB), we take -20*log(Vin*Gain/Vref). At Gain = 1, the time domain and FFT results seem to match...
View ArticleForum Post: RE: TLC7524: Bipolar Operation Mode & Reading the output
Hi Austin, Were you able to make any progress on this?
View ArticleForum Post: RE: ADS1243-HT: ADS1243-HT vs ADS1278-HT
1) Your website page for the ADS1243-HT lists the ADS1278-HT as a recommended alternative. Does this mean TI doesn't recommend the 1273? and why (end of life, other reasons etc) [CY] ADS1273 does not...
View ArticleForum Post: RE: DAC80508: Request for Support to Analog Input & Output...
Lakshmanan, DAC80508 and DAC81408 which you and Uttam have discussed in this thread are our most modern 16-bit, 8-CH, SPI interfaced DACs. In that regard they will be offering the best performance in...
View ArticleForum Post: RE: ADS1148: Internal Reference voltage not switching ON
Hi Balazs, Thanks for your post and welcome to the forum! If you take a look at the pin functions table in the datasheet you will see that VREFCOM should be connected to AVSS when using a unipolar...
View ArticleForum Post: RE: ADS7946: ADS7946 REF short to REFGND
It sounds like the devices are being damaged at some point during operation. I would suggest doing a continuity test on your board, just to make sure there are no issues there. Is it possible that the...
View ArticleForum Post: RE: ADC78H90: Ibis Model
Hello, There has been no IBIS model created for this device. Models are usually created based on use case. I will look into this and see if there is a case for a model to be created for this device. If...
View ArticleForum Post: RE: DAC38J84: 4 independent outputs
Hi Domenico The DAC38j84 can be used as 4 independent (real) output as long as: 1. NCO is not used, or used in Fs/2 mixing only 2. QMC gain is used, but not QMC phase Other than these two limitations,...
View ArticleForum Post: RE: ADC32RF45: Load/Store Offset Corrector Coefficients
Hi Ozer Sorry for the delay. One of our ADC experts is reviewing this question. You should get a response today or Monday. Best regards, Jim B
View ArticleForum Post: RE: ADS1602: Harmonic at low frequency
Hello, I am not sure that we have any data at these low frequencies. I will need to research what we do have. I will provide an update by end of business on Monday. You mentioned 20Hz, are you possibly...
View ArticleForum Post: RE: ADS1278-HT: High Temperature accuracy and calibration
Hi, 1) Do you have anymore information of the ADS1278-HT errors over the entire temperature range [CY] The datasheet's Electrical Characteristics Table has two groups of specs, the right most of which...
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