TINA/Spice/OPA314: unpowered OpAmp bias measurements differ from TINA...
Part Number:OPA314Tool/software:TINA-TI or Spice ModelsHi,The requirements are that an unpowered OpAmp should not present a voltage more than ~100mV at the output.This was shown to be the case in TINA...
View ArticleTPA3221: Lowest speaker impedance in BTL mode when running at 14.5VDC
Part Number:TPA3221I'm considering using this part in a new amplifier design for an automotive application. When running at a maximum DC voltage of 14.5VDC I need to have a minimum of 50W continuous...
View ArticleCCS/TMS320F28069M: symbol "L$$DIV" redefined
Part Number:TMS320F28069MTool/software: Code Composer StudioHow can I solve the following problem?symbol "L$$DIV" redefined: first defined in...
View ArticleCH1 and CH2 Asynchronous opening
Part Number:TPS92518Hi all, One of my customer use TPS92518 to control 8 series (CH1) and 12 series (CH2) LED. Each LED has 3 V voltage drop. They use LM5122 to boost 12V to 50V. And then using 50V...
View ArticleADS42JB46: ADS42JB46 EVM and Datasheet Questions!
Part Number:ADS42JB461) Looking at the ADS42JBXXEVM-SCH, why is the SYSREF driven LVPECL, while the CLKIN is driven LVDS?2) Per the datasheet page 10, the JESD204B Digital Outputs are supposed to be...
View ArticleLMK04828: DAC3XJ8XEVM External Clock Input
Part Number:LMK04828Support,We are attempting to supply our own external 1200MHz clock input to improve the phase noise performance. It seems however that the phase noise performance is somehow limited...
View ArticleDLPLCR4500EVM: Horizontal scans - incorrect point cloud
Part Number:DLPLCR4500EVMHi,I had an issue a while back where I couldn't generate a proper point cloud using the horizontal scans. Vertical scans are performing well.Initially I was using a Microsoft...
View ArticleCCS/TMS320F28377D: adc_soc_continuous in 28377D
Part Number:TMS320F28377DTool/software: Code Composer Studiohi everyone.i found a questions about adc_soc_continuous in controsuite,i adjust the channel to A2,when i run the codes,the codes stop at...
View ArticleDAC60096EVM: Driver issue
Part Number:DAC60096EVMHello, I am using win 10 and after installing the GUI, I plugged in the SDM-USB-DIG, but the drive was not installed. As a result, when connecting the board through the...
View ArticleOPA140: Bias current vs. tempertature
Part Number:OPA140Is there any data available for Ib (bias current) vs temperature for the OPA140? I would like to use the OPA140 for a TIA with 10Meg gain so Ib is critical.Thank
View ArticleTMS320C6678: omp
Part Number:TMS320C6678Hi， I'm running the example project that does matrix computation below omp directory supplied by TI on C6678. Here I met two problems as below:1. In the original example source...
View ArticleLAUNCHXL-CC1310: Non-PCB antenna design for sub-GHz radio transmission
Part Number:LAUNCHXL-CC1310GreetingsI have a question about antenna design for cc1310 part (868 MHz). All of the materials and reference designs i found was related only to PCB versions (which proven...
View ArticleCompiler/TMS320C6678: omp
Part Number:TMS320C6678Tool/software: TI C/C++ CompilerHi， I'm running the example project that does matrix computation below omp directory supplied by TI on C6678. Here I met two problems as below:1....
View ArticleCCS/MSP-FET: Could not set device Vcc
Part Number:MSP-FETTool/software: Code Composer StudioI just bought three new MSP-FET programmers for my software group, NONE Of them will work. They all give the error that "Could not set device...
View ArticleDRV10987: DR10987 EVM close-loop operation not possible
Part Number:DRV10987Hello,I'm tuning the parameters using the SLOU477 DRV10987 Tuning Guide.My motor is running in open-loop mode at around 1/3 of the max. speed, but when I try to uncheck the CLoopDis...
View Articleone fail all fail funtion
Part Number: TPS92610Dear TI engineer: TPS92610-Q1 has the one-fail-all-fail feature.But if I use a parallel resistor for heat sharing, does the one-fai-all-fail funtion can't work?Thanks!
View ArticleSN74LVC2G34: Can I use this as a lazy mans level shifter?
Part Number:SN74LVC2G34Hello,I want to level shift my signal from 1.8V to 3.3V.I was considering using this device with a 3.3V supply and just having it output the 3.3V high when it sees 1.8V.I do not...
View ArticleLAUNCHXL-F28379D: Parallel Data communication interface
Part Number:LAUNCHXL-F28379DHi everyone,We are using Lauchxl-F28379D for our motor drive application. For the position information, we are using AD2S1210 resolver to digital converter. To interface it...
View ArticleClik here to view.
TMS570LS3137: MCAL for SPI4 on TMS570LS3137PGE
Part Number:TMS570LS3137TMS570LS3137PGE has SPI4 as per data sheet available on the chip which is multiplexed with NHET pins, descriptions are available. But, autosar document for SPI driver...
View ArticleClik here to view.
AM5716: IDK Fab Drawing/Layout
Part Number:AM5716Customer wants to confirm Does the EVM use blind via holes or Micro Vias? The PCB fab seems to suggest that but wanted to confirmThe PDF Schematic shows 23 schem decal for the AM5718...
View Article