Forum Post: RE: Connecting 4 3-wire RTD sensors in one ADS1248
(Please visit the site to view this file)Hi Vicenzo, Our requirements are one pH sesnor (+/- 0.1 accuracy) - two 3-wire RTD's (0-50 oC 0.1 oC accuracy) sampling rate 5Hz! The sampling procedure will be...
View ArticleForum Post: Possible to improve DRV2605 ERM open-loop performance with...
We have recently transitioned our system to a new high G ERM actuator that feels weak when playing the DRV2605 open-loop haptic waveforms, especially when compared to raw full-voltage operation. We...
View ArticleForum Post: RE: Possible to improve open-loop performance with Autocalibration?
Hi Lucian, Please read over the guidelines when posting to the Haptic E2E forum. Always include a part number so that we can easily reference the device you are talking about. I'm assuming this is with...
View ArticleForum Post: RE: Possible to improve DRV2605 ERM open-loop performance with...
Hi, I apologize for the confusion, my mistake - I have made the corresponding edits to the subject. Our actuator is an ERM, and we are using the DRV2605 . Is it possible to change the overdrive voltage...
View ArticleForum Post: RE: Possible to improve DRV2605 ERM open-loop performance with...
Thank you for making the changes. We appreciate it. The output votlage in OL will be the overdrive voltage. So if you want max output, set the overdrive voltage to 0xFF and set VDD to 5.5V. Braking...
View ArticleForum Post: RE: Clock input to CIS sensor from LM98722 AFE's CCD timing...
Hi Gokuleswaran, I got the following details for your specific timing requirement from another colleague and I've copied it below. See the programming sequence in Section 7.5.1, along with Table 6 and...
View ArticleForum Post: RE: Clock input to CIS sensor from LM98722 AFE's CCD timing...
Hi Hooman, Thanks for the information, I hope this information help us great to continue with our task, and once we achieved the output I ll intimate you. Thanks Again...... Regards, Gokuleswaran R
View ArticleForum Post: XEM3001 to TX-SDK-V2
MY question is, If i am going to program a controller in XEM3001 FPGA, then how to configure the pins in TX-SDK-V2 side? Is there any datasheets are available for tx-sdk-v2 board?
View ArticleForum Post: RE: XEM3001 to TX-SDK-V2
Hi Subash, The Opal Kelly module (XEM3001) is used to command the LM96570 through its 4-wire serial interface. The kit is already configured to do this and to enable operator control through the GUI on...
View ArticleForum Post: DRV8662 Reducing startup times
Hi, Is the 1.5ms typical startup time set by some internal timer in the device, or could this time be lessened by decreasing the boost caps or changing the FB resistors? Any method to shorten the...
View ArticleForum Post: RE: DRV8662 Reducing startup times
Hi Josh, I've looked through previous data for this device and no efforts have been made to decrease the startup time. 1.5mS is pretty fast for haptics. What is the target start-up time or do you just...
View ArticleForum Post: RE: DRV8662 Reducing startup times
Josh, The part has a start-up state machine that holds the part in a "mute" mode for 1mS. The boost takes ~500uS to start up previous to this state-machine. The start up time will be a minimum of 1.5mS.
View ArticleForum Post: RE: LM98640 weird behavior
Hi, Even if VCLP is not necessary in CDS mode, can it still be connected to OS+ ? I am intending of using the LM98640 in a configuration were both S/H mode and CDS can be used. For instance, I would...
View ArticleForum Post: RE: LM98640 weird behavior
We do not see a problem with this approach. In CDS mode, OS+ should be isolated enough that it will not impact the track and hold. However, we have not tried or tested this configuration. You may want...
View ArticleForum Post: RE: Connecting 4 3-wire RTD sensors in one ADS1248
Dear Vincenzo, In the previous post the schematic have been updated/corrected taking into consideration your comments. Reading again the appnotes for ADS family I am confused i little bit with the...
View ArticleForum Post: RE: Connecting 4 3-wire RTD sensors in one ADS1248
Hi Nikos, Please allow me to add some comments to your questions as Vincenzo is currently out of the office. It seems that your design is pretty much in accordance to the TI Design TIDU145 which is...
View ArticleForum Post: RE: TSC2046E ESD
This matter was resolved via messages. Best Regards Jose Luis Figueroa Audio Applications Engineer | A-Team
View ArticleForum Post: LMP91200 differential output to single ended.
Hello, I´m developing a pH meter with the LMP91200 , which will be connected to a LPC1769, my problem is that I need an single ended output for connecting the LMP to LPC1760´s ADC. Could some one give...
View ArticleForum Post: RE: Connecting 4 3-wire RTD sensors in one ADS1248
All, I just happened to find this thread today about using four 3-wire RTDs. There is a way to measure four 3-wire RTDs with the ADS1248 . Included below is a diagram: It is very important to note that...
View ArticleForum Post: RE: Connecting 4 3-wire RTD sensors in one ADS1248
Nikolaos, Now that I've had a chance to look your schematic, I did have a few comments. 1. Right now, it looks like you have separate analog and digital grounds. In general, we like to use a common...
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