Forum Post: RE: Excess THD in DAC8822 circuit used as audio DAC
Hi Marco, Code-to-code glitch is usually the primary contributor to distortion in our R-2R DACs. (Which is why the track-and-hold circuit in the DAC11001B is capable). A small capacitor should help,...
View ArticleForum Post: RE: ADS124S08EVM: Can not read the result under single shot mode...
Hi Matthew Chen, It is always best to check the digital communication on the ADC to see what is going on. I think I have recommended this to you already. I copied your settings and was able to get...
View ArticleForum Post: RE: AFE58JD28: AFE58JD28
Hello Arabella, Thanks for reaching out! Please ask your customer to request access using this link: https://www.ti.com/drr/opn/AFE58JD28EVM-DESIGN
View ArticleForum Post: RE: ADS1232: Drift of full-bridge configuration
Hello Bjorn, Based on your description, I assume you are logging data with no weight on the scale, and expect the calculated value to be very close to 0g. Can you measure the voltage at both TP14 and...
View ArticleForum Post: TSW14J58EVM: Firmware request for TSW14J58EVM with TSW12QJ1600
Part Number: TSW14J58EVM Other Parts Discussed in Thread: ADC12QJ1600 Tool/software: Is it possible to obtain the firmware or a firmware sample which will help developing read out for data converters...
View ArticleForum Post: RE: AFE4960P: The driver sample code about AFE4960P
Hi Emma - it looks like your access has been approved. You should be able to view the design resources and documentation in your myTI profile under Secure Resources. Regards, Ryan
View ArticleForum Post: RE: AFE58JD16: Using ADC in DC coupled mode or Alternative Part...
Hi Sachin, Thanks for your response. The AD52J90 looks interesting as does the ADS981* series. Our maximum input frequency is around 200KHz, that is correct. After looking at it again, we can probably...
View ArticleForum Post: RE: AFE4460: Selection of AFE for In-Home Diabetic Care Product
Hi Jeff, Thank you for your post. Please send a note to our biosensing_afe-support@list.ti.com email so that we can take this discussion offline as most of our AFE devices are covered under NDA. We...
View ArticleForum Post: DAC38RF82EVM: TSW14J56EVM replacement for DAC38RF82EVM and...
Part Number: DAC38RF82EVM Tool/software: Hi, Both DAC38RF82EVM and DAC3XJ8XEVM documentations refer to the TSW14J56EVM pattern generator card which appears to be now obsolete. What pattern generator...
View ArticleForum Post: RE: ADS9218: When is the internal S/H circuit sampling the input...
Hello Jim, Welcome to the TI Forum, and thank you for your question! Apologies for the delay due to the weekend. For the ADS9218 family of the devices, the falling edge of the sampling clock is what...
View ArticleForum Post: RE: ADS127L18EVM-PDK: How to store raw sample values to a file?
Hello Markku, Welcome to the TI E2E community. Exporting directly to the clipboard works, but is not practical for sample sets greater than 8k. If you export directly to Excel by right-clicking on the...
View ArticleForum Post: RE: ADS7865: Power-up sequnce/down sequence
Hello Oba, This device does not specify power on/off sequencing, but if some sequencing is necessary/possible, we recommend following: 1) Power AVdd on before BVdd (or bring both up together) 2) Power...
View ArticleForum Post: RE: DAC38RF82EVM: TSW14J56EVM replacement for DAC38RF82EVM and...
Hi Ludovic, I am closing this post and will send you an email on how to move forward. Please look out for my email. Regards, Rob
View ArticleForum Post: RE: ADC128D818: Reading 'Channel Readings Registers' without...
Hi Sajid, After reading the contents of a channel reading register, the ADC will not increment the internal address register, meaning you will have to manually set the next address with the process...
View ArticleForum Post: RE: BP-ADS7128: USB Port not detected
Yes, they are in the correct spots. I also have both USB cables on both ends of the board. Still showing XDS110 and ACCtrl being recognized. it still has the same error codes. Is it possible that...
View ArticleForum Post: RE: ADS1294R: Wrong device ID in ADS1294R
Hello Nivethitha, The procedure itself seems correct. Can you verify the following details: 1. AVDD and DVDD both remain powered on during the pin reset? 2. The SPI Mode is configured as 01 (CPOL = 0,...
View ArticleForum Post: RE: ADS9218: When is the internal S/H circuit sampling the input...
Thanks Yolanda. While the raw input looks like video, it's not an imaging application.
View ArticleForum Post: RE: BP-ADS7128: USB Port not detected
Do you need to read the flash memory from the uniflash? would that help? I can send a screenshot.
View ArticleForum Post: ADC3669EVM: Schematics
Part Number: ADC3669EVM Tool/software: Hello, is it possible to publish schematics for the kit? The EVM User's Guide has a link to the product page in Chapter 5.1, but there are no schematics there....
View ArticleForum Post: RE: ADS1018-Q1: question about Vin clamp voltage in different FSR
Hi Jay, No. The internal PGA configuration is what determines the FSR, the input MUX with the ESD diodes is prior to the PGA. To prevent the ESD diodes from turning on, keep the absolute voltage on...
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