Forum Post: RE: LMH1251, wrong pulse width of V sync.
Dear Hooman Thank you for your quick reply. I understand It must use leading edge. I'll send your information to the customer. I appreciate your great help. Best regards, Shinichi
View ArticleForum Post: TSC2004 Example Source code
Hi I am looking for any example source code for TSC2004 for test. could anyone share the source code for TSC2004 ? my email is mason.hong@ti.com. Thank you.
View ArticleForum Post: RE: AFE5808A clock input capacitance
Sorry Chen, I didn't mean to ignore you and this thread but I lapsed into an email chain with Xiaochen. Thanks for the help, and in case anyone else needs it below is the input model with all of the...
View ArticleForum Post: LMP91200 (E.VER)del SPI &TEMP,
The customer use LMP91200 (Rev C datasheet), designed, it support Temp sensor and pH sensor ,Customer need this two kinds of data Rev E datasheet but deletion of Temp sensor + SPI functions. PH is a...
View ArticleForum Post: Question on the VPP/VNN voltatge description in the datasheet of...
Hi, I have a question about the VPP/VNN maximum rating of LM96551 . In the datasheet of LM96551 : In page 4, it says while in page 5, it says So, what is the range of VPP? -0.3V to 55V? 3.3V to 50V?...
View ArticleForum Post: RE: Question on the VPP/VNN voltatge description in the datasheet...
Hello Frank, I've moved this post from the Medical Forum to the Imaging AFEs Forum, where the LM96551 is supported. I'm sure you'll find an answer here.
View ArticleForum Post: Can TSC2017 RESET PIN floating or connect to VDD directly.
Hi Bros, Consider the low distance between two pins, it may improve the PCB cost if we need connect RESET pin to the outside. Could we left RESET PIN floating or connect to VDD directly? Does the...
View ArticleForum Post: RE: TSC2004 Example Source code
Hi Mason, Try this : (Please visit the site to view this file) Andy
View ArticleForum Post: RE: Can TSC2017 RESET PIN floating or connect to VDD directly.
Hi Marin, If you really want to do that, connect the RESET pin to VDD through a 20k resistor. Andy
View ArticleForum Post: RE: Question on the VPP/VNN voltatge description in the datasheet...
Hello Frank, The operating conditions you are asking about is what page 4 specifies (3.3V to 50V) and which is reiterated in the Operating Ratings table on page 5. The absolute maximum ratings are...
View ArticleForum Post: Can't write the register of TPIC7218 correctly. Do you have the...
Hello, We use TPIC7218 for automotive chassis control. Now we have problems about writing the register of TPIC7218 as below, when writing the registers (address 0x11 and 0x12) of TPIC7218, we can only...
View ArticleForum Post: LM98725 - PLL Locking
Dear all, we have a processor in our design which will deliver the base IN_CLOCK for the two Analog Front-Ends LM98725 . One Analog Front End itself will lock the internal PLL to achive some desired...
View ArticleForum Post: LM2577 boost DC DC
Hi I want to design a step up converter using lm2577with the following requirements: VinMin = 3.7 VinMax= 4.6V Vout = 5.5 V Iout=1A; Following the datasheet I made the following calculations: Ioutmax =...
View ArticleForum Post: RE: Can TSC2017 RESET PIN floating or connect to VDD directly.
Hi Andy, Tks for your reply. Sorry not so clear in my question: We are considering connecting RESET pin to VDD directly under our IC' WCSP package to save cost. If we connect RESET pin to VDD with a...
View ArticleForum Post: RE: LM98725 - PLL Locking
Hi Christian, The latency through the device from INCLK to CLKOUT output will vary somewhat from part to part due to process variability, random mismatch, etc. For this reason you must use the CLKOUT...
View ArticleForum Post: How to synchronize two LM98722 AFEs
I am using a Contact Image Sensor (CIS) which has 6 analogue output taps. I'm planning to use 2 AFE chips LM98722 which have 3 analogue inputs each. I am supplying an external SH_R pulse to both AFEs...
View ArticleForum Post: RE: How to synchronize two LM98722 AFEs
Hi John, It should be possible to synchronize the LM98722 AFEs as you are intending. You will need to make sure that the SH_R input meets setup and hold timing with the applied INCLK of each device....
View ArticleForum Post: LMP91200 rev E.
Hi Folks, Can you please confirm the following for rev E & rev C devices. Q1: The rev E datasheet indicates that pins 13, 14, 15, 16 should be connected to GND, VDD, GND, GND respectively. Does...
View ArticleForum Post: RE: How to synchronize two LM98722 AFEs
Thanks Hooman We will set the INCLK to pixel sampling rate and guarantee the setup and hold times for SH_R. Also we will add the Line# lsb and msb in the data stream for AFE2. Regards John
View ArticleForum Post: Thermal protection of AFE5808A
Hi ! We are using AFE5808A in Ultrasound Imaging. Datasheet section 9.3.6 requires user to make sure junction temperature below 105 degree by using heat removal technique. Is there Thermal shutdown...
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