Forum Post: ADS122C04: RDATA command returns 40 bits instead of 24
Part Number: ADS122C04 Hi All, I'm having a problem with the ADS122C04 when I attempt to read back a conversion result. Basically what I'm finding is that I have to read out 5 bytes instead of the 3...
View ArticleForum Post: RE: ADS1248: SPI communication in continously conversion mode for...
Hi user5922913, Welcome to the E2E forum! Your communication appears to be correct. Can you provide a schematic and the register settings you are using for the ADS1248 ? Can you explain more about the...
View ArticleForum Post: RE: DDC264: DDC264EVM
Hi David, How are you? As you mentioned about the different input voltage, what does it mean from using the DDC264EVM ? Does it mean power supply voltage by using J18 connector? Thank you! Best...
View ArticleForum Post: RE: ADS1299: Noisy data in Single Shot Mode AND No data in...
Hi Navdeep, Thanks for your post and welcome to the forum! I am not familiar with your simulator, but is there a connection for the RLD to reject the common-mode noise from the mains power? Is it...
View ArticleForum Post: RE: AFE5816EVM: AFE5816EVM with TSW1405
Hi Mark, How are you? Please take a look at TI website AFE5816EVM User Guide: www.ti.com/.../afe5816evm www.ti.com/.../technicaldocuments We only suggest and support using AFE5816EVM with TSW1400EVM ....
View ArticleForum Post: RE: ADS114S08: Bipolar reference voltage configuration
Hi Amol, Welcome to the E2E forum! Just so that I am clear for what you are asking, is your input signal to be measured +2.5V to -2.5 V relative to ground? Or do you just need to measure a differential...
View ArticleForum Post: AFE4300: Clarifications about implementing bio-impedance...
Part Number: AFE4300 Hi, I have a few clarifications about the instructions provided on the Impedance Measurement with AFE4300 regarding using the AFE4300 in FWR mode for calculating bio-impedance. I'm...
View ArticleForum Post: RE: DAC1220: SPI communication
Michael, Per the datasheet this configuration is allowed, however I would call out the comments on page 8, also pasted below: "The serial clock is limited to one-tenth of the master clock frequency....
View ArticleForum Post: RE: DAC1220: SPI communication
Hello Kevin, I am aware of this section of the datasheet, My question is am I able to have three DAC1220s on one 3-Wire SPI Bus without any sort of communication issues or by doing so am i setting...
View ArticleForum Post: RE: DDC264: DDC264EVM
As I confirmed earlier, J18 has 5V power applied to it. However, since the jumpers J15 and J16 are missing the analog reference voltage is not present at J11 of the analog breakout board. In order to...
View ArticleForum Post: AFE4490: Capabilities
Part Number: AFE4490 Hi How many switching LEDs and photodiodes does this AFE support? Thanks
View ArticleForum Post: RE: TI Precision Lab_SAR
B.Fan, You are correct that the filter (Cfilt and Rfilt) is to overcome the charge kickback (i.e. spiky response) from the ADC. However, this filter is not an anti-aliasing filter. Some literature...
View ArticleForum Post: RE: ADS7845: LSB of SPI clocked data is always either 0x78 or 0xF8
Kevin, Can you please attache a scope waveform for your digital interface (CS, DCLK, DIN, DOUT)? We want to verify your timing. Best regards,
View ArticleForum Post: RE: ADS1299: AC Lead Off / Impedance Measurement
Hello, What about the possibility to measure the reference electrode, Z5, in my drawing ? Thanks Stephane
View ArticleForum Post: RE: ADS7845: LSB of SPI clocked data is always either 0x78 or 0xF8
Here's the capture. Keep in mind that the sample rate for the system and clock aren't consistent; so the clocks varying width isn't an issue.
View ArticleForum Post: RE: DAC8814: Looking for multi-channel precision current DAC
Nik, Generally speaking we'd like to see between 45 and 90 degrees of phase margin at 0dB gain to suggest circuit stability. In my simulation this design has a bit of a peak in the phase plot at 0dB...
View ArticleForum Post: RE: ADS1247: Repeated data patterns in noise floor
Thanks Bob and Joseph. As I said, I can't test this immediately, so I will go ahead and mark this as resolved. I really appreciate your timely advice! Scott
View ArticleForum Post: RE: DAC1220: SPI communication
Michael, Though I have not tested this myself, I do not see any reason why it would not work. Page 11 indicates that when CS is high all activity on SCLK is ignored by the device, so from the DAC1220...
View ArticleForum Post: RE: ADS1100: ADS1100 is noisy
Glenn, I haven't heard from you for a week, so I thought I'd check in with you. Hopefully you've solved the with the noisy ADS1100 . In the previous post, I mentioned checking for bad solder...
View ArticleForum Post: RE: TLV2553: Output pins not going low
Hi Brian, Thanks for your post! If you look at table 6.5 of the datasheet, you will see that the Low-level output voltage is either 0.1V or 0.4V depending on your operating conditions. However, from...
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