Forum Post: PCM4222: Voltage clamping for ADC inputs?
Part Number: PCM4222 The IC has overflow channel indicators but no description of thresholds which activate this. The absolute maximum analog input voltage is 6V. The evaluation board PCM4222EVM...
View ArticleForum Post: DAC3174: DAC3174 question?
Part Number: DAC3174 DEARS. Customers use the AD9746. The reason for using the AD9746 is as follows. The AD9746 provides the following features.(AD9746 Datasheet 27page) [The user can place a carrier...
View ArticleForum Post: DAC38J84EVM: DAC38J84 EVM Difference between FPGA clock and DAC...
Part Number: DAC38J84EVM Hi, I am working with the DAC38J84 EVM and noticed that the FPGA clock is 1/2 the DAC Input Data rate and was wondering where those two numbers come from? In my application, I...
View ArticleForum Post: SM73201-ARC-EV: SM73201-ARC-EV
Part Number: SM73201-ARC-EV Dear Sir or madam, AN-2154 RD-195 DC Arc Detection Evaluation Board includes a TMS320F28033 micro-controller and it was designed in 2012. Is there any hardwares updated on...
View ArticleForum Post: RE: ADC128S102, ADC output value stopped when any value reached
Thanks for helping in my new design i am used ADC128S102 module i cant able to write code , can you please guide me
View ArticleForum Post: LM49450: Asking for the LM49450 pop performacne spec
Part Number: LM49450 Hi Team, Can LM49450 meet the following spec from IC side for customer request? Please exclude the system design aspect. Headphone out level 300mV/32Ω, pop noise<-60dB Thanks, SHH
View ArticleForum Post: RE: TLV320ADC3101: Problems with I2S communication with...
Hi Diego, Thank you for your fast reply! I have already set the register 81 to 0xCE and the microphone is delivering data as you can see in the attached file (blue=clk with 2.048MHz, green=pdm data...
View ArticleForum Post: RE: ADS1298: ADS1298 usage problems
Hi, it's me again, we used the ADS1298 to capture ECG signal and found it worked unstabitily, because we make the PCB ourselves, and our drive code is verification in the ADS1X98ECG-FE Rev ,so we doubt...
View ArticleForum Post: ADS1278: ADS1278
Part Number: ADS1278 Hi, I want to get data from ADS1278 with LPC1788 microprocessor. so i set this parameter on the code: MODE0=0 , MODE1=0 & CLKDIV=1 => its for high speed mode...
View ArticleForum Post: RE: ADS1293EVM: EVM behavior
Hi Brian-san, Thank you for your support. I have got the trial results about the items you point out the other day from the customer. Let me inform you for your reference as below. 1) In case of...
View ArticleForum Post: RE: ADS42JB69: AC Specifications for 60Msps sampling frequency
Thanks Jim. Pls share for 70MHz I/P frequency at 60Msps sampling frequency. I have to generate 60MHz device clock from PLL internally to board. Required VCO frequency to generate 60MHz & 240MHz is...
View ArticleForum Post: RE: ADS1293EVM: EVM behavior
Hi Brian-san, Thank you for your kind support! Regards,
View ArticleForum Post: RE: ADS7951: What is the SPI Mode this IC is to operate in?
Carl: I will contact you by email shortly. Thank you!
View ArticleForum Post: LMP90100: Crosstalk among channels & some apparently noisy parts
Part Number: LMP90100 Hi. This device features 4-DIFF / 7-SE Inputs ( LMP90100 / LMP90099 ). However we saw through data sheet that there would be no drawbacks about using more than four differential...
View ArticleForum Post: RE: LMP90100: Crosstalk among channels & some apparently noisy parts
Belissario, Can you please post your schematic in another post? When you start another post, click on "Use rich formatting" and you'll be able to embed images or attach files. Google docs is restricted...
View ArticleForum Post: RE: DAC38RF83: DAC38RF83 Farm Fuse and PLL?
Henry, Per the JESD204B standard, the value of F * K must be greater than 17 and less than 1024. Currently you have this as 8 since your LMF setting is 882 and K = 4. You must change your K value to a...
View ArticleForum Post: RE: ADS1298: ADS1298 usage problems
Hi, my issue is: I made several PCBs and used MCU to get the ECG data, it is strange that each PCB's situation is not same , some work normal at the beginning, i can see the ECG waveform on our own UI...
View ArticleForum Post: AFE4300: About the the ADC sampling voltage
Part Number: AFE4300 The question is based on below figure: When the input AFE4300 PD connects to the constant current source, setting Ambient DAC=0uA, closes the Stage 2 Gain. Does the ADC sampling...
View ArticleForum Post: RE: Asking for the ADC recommendation for digital mic in and line in
Hi Diego, Customer would not like to mix the digital mic and line-in signals. Could PCM8164 capture the PDM digital mic, stereo line-in and output TDM format without mixing the digital mic and line-in...
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