Forum Post: RE: ADS1298: Not able to write registers of ADS1298 with...
Hello, here are the info required: Can you provide a schematic? How is the MSP430F67751 connected to your ADS1298 setup? Is this all on one PCB or are you fly-wiring the control signals to the ADS1298...
View ArticleForum Post: ADS124S06: Conversion time with channel switching
Part Number: ADS124S06 Hi there, We are using ADS124S06 ADC with sinc3 filter. We are switching between two ADC channels by changing the value of INPMUX register at run time. Is the first conversion...
View ArticleForum Post: RE: ADC32RF42: DC Offset
Hi John, The offset corrector is a digital block that estimates and corrects the offset mismatch among four interleaving ADC cores for a given channel. This block works on digital output of the ADC. We...
View ArticleForum Post: RE: ADS122U04: ADS122U04 Failing Miserably!
Hello Bob, Apologies for the ambiguity, and thank you for taking the troubles. Both AVDD and DVDD are driven at stable 3V3. There is no relationship between VSS and IVSS. They are completely isolated...
View ArticleForum Post: RE: ADS1292R: ADS1292R Heart rate not getting HR values beyond...
Dear Alex Smith How are you calculating the HR? we are calculating the HR using Peak detection algorithm and we are taking the reference of TI sample code also. We just modified that code and...
View ArticleForum Post: RE: DAC088S085: Serial bus DOUT pin will tri-state or remain...
Hi Atsunori, Welcome to E2E and thank you for your query. As there is not much information in the datasheet on the DOUT pin, I need to test it on the EVM to verify whether it goes to tri-state when...
View ArticleForum Post: ADS124S06: Sinc3 vs low latency filters
Part Number: ADS124S06 Please explain the above architecture and how sinc3 filter is linked with LL2 filter, then again sinc1 filter? Which filter should be used while measuring 2 different DC signals...
View ArticleForum Post: RE: TSW1400EVM: Problems to capture data from HSDC as doing...
Hi Jim, I am using a new BPF which has similar performances. However, the harmonics are still high. Is there any problem with the ADS62P49 , which offers superior performance as provided in datasheet?...
View ArticleForum Post: ADS8668: Question about daisy chaining
Part Number: ADS8668 Hello all, On page 39 of the datasheet for ADS8668 (12-bit, eight-plus-one analog inputs, SAR ADC), under section 8.4.1.3.1 and as illustrated by Figure 93, is the description of...
View ArticleForum Post: RE: DAC7728: Don't get an output voltage
Hi Kevin, I changed the program a bit that T3 is visible better. LDAC is tied low all the time. Pin configuration is the same as above. Regards Mario
View ArticleForum Post: DAC5675AEVM: Can not see DAC output signal on DAC5675A EVM
Part Number: DAC5675AEVM Hello, I am testing DAC5675A EVM. The problem is that no DAC output signal occurs. The state of J8 was always 'HIGH' and never changed. I setup test environment following '...
View ArticleForum Post: DAC80508EVM: DAC80508 EVM USB2ANY
Part Number: DAC80508EVM Hello, Let me confirm about below. * According to user's guide of EVM, user can use GUI by using USB2ANY . However, I'm not sure you include this with EVM. So could you please...
View ArticleForum Post: RE: DAC7760: Proper output is not coming for the input DAC code
Hi Garrett, Thank you for your response. You said you would expect 0V at Vout during device start-up. But in my case it is coming 0.5V irrespective of the code written to DAC data register. Output is...
View ArticleForum Post: RE: TSW1400EVM: Problems to capture data from HSDC as doing...
Long, As I mentioned before, you must keep your fundamental power below -1dBFs or you will start saturating the ADC. Above, your fundamental is at 1.96dBFs. You need to back this off at least 3dBs....
View ArticleForum Post: RE: ADS1248: Raw Value Error: Convert to Temperature & Registers...
Dinesh, I don't see anything wrong using this schematic. However there are a couple of things to note in the construction of this circuit. What type of resistor is RREF? I asked this in my last post,...
View ArticleForum Post: RE: ADS8668: Question about daisy chaining
Dimitrios, I'm sorry we didn't get to this question today. We should be able to get you an answer to this tomorrow. I'm not very familiar with the daisy chain feature for this device and I'll need to...
View ArticleForum Post: RE: DAC7760: Proper output is not coming for the input DAC code
Hi Garrett, Thank You for your response. In the scopes that I had posted clock signal was showing 100mV. But that was not tuned scope. Actually clock signal is coming as 3.2V. I have just cross...
View ArticleForum Post: RE: ADS124S06: Sinc3 vs low latency filters
Hi there, If I choose 5 sps data rate with Low latency filter, then according to figure 53, my signal would firstly pass through following blocks: sinc3 filter --> LL2 filter --> sinc1 filter. It...
View ArticleForum Post: RE: ADS124S06: Conversion time with channel switching
Hi there, In the case of sinc3 filter at 5 sps in continuous conversion mode, where I am taking 3 measurements for the first signal, then switch the mux again take 3 measurements for the second signal....
View ArticleForum Post: RE: DAC80508: DAC Error Specs and Voltage Reference
Hi Richard, Thank you for your query. The reference error is not included in the calculation of the total unadjusted error (TUE). Please see this video to understand TUE calculation:...
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