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Forum Post: RE: DAC5675A Weak SFDR and Odd Harmonics

Hi Harsh, Make sure you are not saturating the spectrum analyzer while taking the measurement. Try increasing the RF attenuation level on the spectrum analyzer and see if you observe any improvements...

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Forum Post: RE: Signal Routing on TLV320AIC3263EVM-U Mic to Dout1 / PC to Din1

MT, For J14 jack, check the J1 and J2 jumper settings. Make sure they match the type of headset you are using. Some headsets are left-right-mic-gnd and others are left-right-gnd-mic. The schematic in...

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Forum Post: RE: DAC5688/5689 Dual Bus modes

Hi Neeraj-san, Thank you very much, I understood well ! Best Regards,

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Forum Post: RE: re: TLV320AIC3256 Digital output.

Hello, I will get back to you as soon as I can. Thanks, J-

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Forum Post: TLV320AIC3262 PSRR of MICBIAS

Hello, Is there a spec for PSRR of MICBIAS. It is referred to in the applications reference guide as being "good", but I can't find it specified anywhere. The ADC and DAC are spec'd, and it might be...

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Forum Post: ADS5282EVM DC coupling & alternatives parts more suitable for dc...

My customer is working on an investigation that requires simultaneous digitisation of at least 6 signals at a rate of at least 50 MSPS. Since it is a preliminary investigation, I prefer to use an...

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Forum Post: ADS1299 bias setting

Hi, I am reading materials about ADS1299 and want to sample the EEG. I read some materials on the OPENBCI website and compare it with the datasheet. And the bias settings are different between them. In...

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Forum Post: RE: TAS5709 and PCM1851A initital/sample code...

Dear Diego, Thanks for your suggestion! I agree it and that is what I told to customer yesterday! About PCM1851A , just let me know if any update! Thanks.

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Forum Post: RE: Error in code DAC8750

Hi kevin, 1. yes the ckt was as we had discussed here: 2. I have attached two pics. Probe is at 10x. SPI speed is 1Mhz. In actual I will use 15Mhz. Pic1: SPI clock & SPI data (0x55) Pic2: Latch...

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Forum Post: RE: Error in code DAC8750

moreover, i have been to read back correct data, so I think communication is ok. e.g when i write certain value in data register, I have been able to read back it correctly. Same is case with control...

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Forum Post: RE: Seeking advice to digitize 256+ outputs on .5mm- pitch at...

Hi Mike, Without reading into too much of the details, have you taken a look at the ADC34J43 ? Quad channel 14-bit in a small 7x7mm package. Very low power, so thermal design shouldn't be an issue with...

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Forum Post: Ios app source code Wireless Heart Monitor with Bluetooth Low...

Ti website states the ios app source code is provided as design reference. However no download link is found. Can any one help provide a lonk? If it is only provided by private email, let me know....

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Forum Post: RE: ADS1292 DOUT pin remains always low during SPI communication

Hey V324O, Are you able to successfully write registers? Brian

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Forum Post: RE: What causes ADS1174 (or ADS1274) single channel failures?

Hi Richard, From what I have gathered so far, this issue seems to be caused by the difference between AGND and DGND exceeding the +/-300mV limit. This may be caused by swapping out cables or turning...

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Forum Post: RE: ADS1292 DOUT pin remains always low during SPI communication

Hi Brian, I will test that with GPIO register and tell you the result.

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Forum Post: RE: Connecting solar reference cell to ADS1248

Kosma, The LM7705 may help in certain applications, but it may depend on what input range you expect to use. Is the input range only 32mV? or will there more solar cells to make a larger input signal?...

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Forum Post: RE: PCM9211 Parity Error Detection_ coutinued

Hi Kanji, We have been testing the parity error to interrupt ability of the PCM9211 for a few days without success. We are going to do some final testing tomorrow morning and will report back with...

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Forum Post: RE: ADC128S102 Power up sequency

There are ESD protection diodes to the analog supply. that is why it is necessary to bring up the analog supply first. generally, we bring them up at the same time. since the supplies never separate by...

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Forum Post: RE: ADS795xx

Cedric, I'm glad you found the answer. I'll close out the question. Joseph Wu

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Forum Post: RE: Ios app source code Wireless Heart Monitor with Bluetooth Low...

Hi Kelxu At some point in the past TI was planning to release the Ios apps source code to the public, for technical reasons the decision was reversed. We are in the process of removing the references...

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