Forum Post: Doubt regarding PCM3168A
Hi Sir/ mam,I am FAE suggested PCM3168A to one of my customer. Is it possible to do filtering on all the 6 i/p's as 6ADC and more than 6DAC's are present? Is analog routing possible with this device...
View ArticleForum Post: LDC1000's VIO
Hi Sir,The datasheet says it's okay with VDD-VIO >=0. If VDD is fixed 5V and VIO is dynamic changing, e.g. 3.5V~4.2V, is it still okay? Thanks for advice.
View ArticleForum Post: RE: LDC is like wear debris sensor
I have LC-tank with resonance frequency Fres = 5MHz approximately.1. Can I use the less frequencies (3 Mhz, 2Mhz) to work? Or I should use the frequencies near Fres only?2. I want to know in which...
View ArticleForum Post: RE: ADS1115 Unused ALERT/RDY pin
Hi Bob,Thanks a lot for your help. Your professional advice is much appreciated!Regards,Tim
View ArticleForum Post: RE: High Speed Data Converter Pro v2.2 stopped working
Thank you Jim.I'm using TSW1400EVM wtih AFE5809EVM.I also installed High Speed Data Converter Pro and AFE5809EVM GUI. But I didn't connect AFE5809EVM to TSW1400EVM before open the HSDC. I blugged...
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Forum Post: Trouble with DAC5682Z
Hello, My DAC5682Z work seems well in X2 model，but strange in X1 model.The DAC5682Z is controlled by FPGA and the connection relationship is shown above.The DAC5682’s output is connected directly to an...
View ArticleForum Post: RE: external clock adc12d1800rfrb not working
Thanks Jim for the updated schematic.Talking about the four channel coming out from FMC: you are right, I knew it some weeks ago when I tried to read signals coming out from ADC12D1800RFRB in TR4...
View ArticleForum Post: tvp5147 Vertical sync and Horizontal sync lock problem
I have a 6467 EVM with Composite (PAL) input. I want to switch the input dynamicly.In the document《Using the Video Port of TMS320DM646x》,we should read the reg Status 1 Register(0x3A) of tvp5147.But...
View ArticleForum Post: How Can i detect whether any microphone is connected or not
HelloI am using audio codec chip AIC3204 and if in any situation my microphone gets unplugged from my codec then is there any way i could find the microphone is present or not
View ArticleForum Post: RE: AMC1210MB-EVK USB Interface
Hello and thanks for your reply,the voltages seem correct (the LEDs are green), and I tried to connect the board to an computer running Windows XP, but still the same issue. No new device is showing up.
View ArticleForum Post: RE: ADS1293 - Replacing Crystal with Oscillator
You are correct Sergio, that is a typo. We tried with 400 and 409.6khz. The data sheet mentions that the chip can handle a range of frequencies.
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Forum Post: offset of ADS62P42IRGCT
the circuite is almost the same as the reference in the datasheet of ADS62P42IRGCT. it is shown belowwhen i test the idle noise of the circuite(call it be called "offset"? ).the first channel is about...
View ArticleForum Post: RE: ADS1243-HT : RREG command : Can I issue the command one time...
Hello:Bob, thanks. we use range1 , because our power supply is only about 3.6V and Vref + is 2.5V, Vref- is ground. The data sheet page 18 says we have to use range1.Adding offset voltage is intended...
View ArticleForum Post: RE: How to set ADS1256 reference voltage and offset
Hi Christopher, Thanks for your all support regarding ADC it is no working fine. I need support to understand ADCpro2 and ADS1256-evm source code. Source code that you provided in earlier mails seems...
View ArticleForum Post: Problem with LMP90100 in single scan mode.
Hi Support,After I configure the AFE for single scan mode, it immediately performs the conversion and asserts the DRDYB (D6). I read the ADC_DOUT registers and discard the data (clearing the DRDYB)....
View ArticleForum Post: RE: ADS1293 - Replacing Crystal with Oscillator
Ok, I checked into it and there is a 51 ohm termination resistor connected to the external clock test point. If you are able to remove resistor R11 from the back of the EVM you should be fine.Your...
View ArticleForum Post: Regarding filtering options in AIC3254
Hi Sir,I used AIc3254 in my application and i am using 4 i/p's, but i am able to do filtering operations only on two i/p's, first and fourth o/p are dircetly getting at the o/p, fixed, i am not able to...
View ArticleForum Post: RE: TLV320AIC10
Hi,Tried the low pass experiment. NO improvement. The hissing noise is still existing. I need to mention here that, there are clicks and pops heard when ever call is initiated or dropped. The codec is...
View ArticleForum Post: AIC3254 echo cancellation
Hi all,I was going to order AIC3254 EVM. The main reasons behind choosing this specific module that it provides Echo cancellation as per notes. I installed PurePath (Portable Audio) 5.95 only to see...
View ArticleForum Post: RE: adc12d800rfrb calibration
Hi Gustavo,I have tested only yesterday your code... It works well. Thanks.I have just noted a small bug, not a real issue: when I use an external clock, and when I want to come back to internal clock,...
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