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ads1298
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Related Posts
  • Forum Post: Re: I am having trouble with a anlog to digital converter ads1256 where should I post my code and question?

    josh wojnas josh wojnas
    I am working on the ads1298 now ... it is such a interesting replacement for that chip & sections of the design for a EEG / EMG system. Opendous I am working with has a schematic using it on the free kicad software and board designed that is 2 layor.
    on Apr 19, 2010
  • Forum Post: Opendous & I have a open source ads1298 design board & schematic if some engineers can look into the schematic and board and make some sugjestions the open source design should bring a lot of interest.

    josh wojnas josh wojnas
    Opendous & I have a open source ads1298 design board & schematic if some engineers can look into the schematic and board and make some sugjestions the open source design should bring a lot of interest. http://code.google.com/p/opendous/source/browse/trunk/Current_Designs/ADS1298/ADS1298_2Layer_Test...
    on Apr 29, 2010
  • Forum Post: Re: ADS1298 open source design help request & this will assist open source and development & interest in the chip

    josh wojnas josh wojnas
    any sugjestions or problems with the design you noticed? Any of the ground or power at the wrong value etc?
    on May 3, 2010
  • Forum Post: Re: ADS1298 Power, ground, and decoupling concerns

    Joseph Wu Joseph Wu
    Matthew, I'm attaching a set of PDFs of the ADS1298EVM that show the layout a bit better than the pictures shown in the EVM User Guide. In these, you should be able to zoom in and get a bit better clarity on the lines and placement of the devices and layout. In this layout it appears that the pins...
    on May 24, 2010
  • Forum Post: ADS1298 connection with MSP430F2272

    Tomas Chang Tomas Chang
    Hi, I use MSP430F2272 communicate with ADS1298 of EVM board (ADS1x98 ECG FE Rev A-1). I control the RESETB for reset and CLKSEL for internal clock, initialize and register value follow the flow char of spec. The MSP430F2272 can send register value and command to ADS1298 and read register value...
    on Jun 1, 2010
  • Forum Post: ADS1298 Demo Kit

    Amanda A. Amanda A.
    Hi! The User's Guide for the ADS1298 Demo Kit (ADS1298ECGFE-PDK) mentions on page nine that it can be used to evaluate the ADS1298 for EEG applications, but the rest of the manual focuses solely on the ECG application of the chip. Can the demo kit be used to demonstrate EEG applications? Are there...
    on Jun 2, 2010
  • Forum Post: Noise on ADS1298

    MirkoMitrovic MirkoMitrovic
    Hi, does anyone has experience with p-p noise of ADS1298? In datasheet I found 4uV p-p, and this is quite lot for EEG. Is there any information I've missed? Thanks, Mirko
    on Jun 3, 2010
  • Forum Post: Re: Noise on ADS1298

    Joseph Wu Joseph Wu
    Mirko, The noise performance of the ADS1298 will depend on several factors.. These include reference voltage, PGA gain, data rate, and high-resolution/low-power modes. However, all of these are covered in the datasheet in Tables 1 through 4. Joseph Wu
    on Jun 3, 2010
  • Forum Post: Re: TQFP package for ADS1298

    Joseph Wu Joseph Wu
    Sebastian, I've talked to the strategic marketer and the current forecast for the intro of the ADS1298 in TQFP is the end of July. Joseph Wu
    on Jun 15, 2010
  • Forum Post: ADS1298 front end evaluation options

    Hussnain Ali Hussnain Ali
    Hi, Is there any ADS1298 evaluation daughter card or evaluation board (just the front end only) which can be used to interface to external controller, in my case an RF transmitter like CC2560 or CC1101? One option which I have evaluated is ADS1298ECG-FE Daughter card. Can this be used alone i.e...
    on Jun 25, 2010
  • Forum Post: ADS1298 TQFP chip any news on when it will be out I have a 40 pin carrier board aproaching completion as a open source kicad design.

    josh wojnas josh wojnas
    ADS1298 TQFP chip any news on when it will be out I have a 40 pin carrier board aproaching completion as a open source kicad design. I am hesitent on making a carrier board for a BGA chip I can't see if it was soldered down properly etc...
    on Jun 29, 2010
  • Forum Post: Re: ADS1298 TQFP chip any news on when it will be out I have a 40 pin carrier board aproaching completion as a open source kicad design.

    Joseph Wu Joseph Wu
    I just checked with the strategic marketer for this product and they say that they should have samples next week. However, they think the introduction will be in mid-August. I'll try to post again if the schedule changes. Joseph Wu
    on Jul 1, 2010
  • Forum Post: DRL RLD documentation WCT? examples circuits am I misinterpreting what the wct is?

    josh wojnas josh wojnas
    DRL RLD documentation WCT? I am looking at the openEXG2 design & the buffer for multiple channels seems to be it would be the DRL amp with being non inverting buffering the output and wct in that would output the buffered wct signal that is the common mode signal to be inverted and sent to the body...
    on Jul 7, 2010
  • Forum Post: drl questions revised. WCT is not the common mode signal of the in. amps.

    josh wojnas josh wojnas
    rldinv pin of the DRL amp negitive seem to be the only input from the common mode signals the adverage might not be the same off the wct. does that mean the chip that summs the signals together is a buffer? If I wanted to use many channels and RLDNEG is connected to all and is inverting & their...
    on Jul 7, 2010
  • Forum Post: hybrid chip select & daisy chaining master and slave ads1298

    josh wojnas josh wojnas
    SPI reading different sensors by Chip select or daisy chain them? Should a combination of the 2 methods be used? master ads1298 creates clock and references slaves acsept clock and references... slaves are daisy chained one is chip selected... master is chip selected to talk to it. ...
    on Jul 8, 2010
  • Forum Post: ADS1298 8 chip open source design what does the test pace out 1 and 2 do besides the ones on the main ADC chip? it is what the data sheet calls standard config CS is uneque and only that.

    josh wojnas josh wojnas
    ADS1298 8 chip open source design what does the test pace out 1 and 2 do besides the ones on the main ADC chip? it is what the data sheet calls standard config CS is uneque and only that. Here are some of the schematics...
    on Jul 13, 2010
  • Forum Post: Re: ADS1298 connection with MSP430F2272

    Yan Jia-hong Yan Jia-hong
    Why this file( ADS1298_Code.zip ) does not #include "msp430x54x.h"?? Do you have the complete file for MSP430F5438?
    on Aug 13, 2010
  • Forum Post: Re: I am having trouble with a anlog to digital converter ads1256 where should I post my code and question?

    Yan Jia-hong Yan Jia-hong
    Can you send some example code for the ADS1256 working with the MSP430 to me? asusm6nb@gmail.com
    on Aug 15, 2010
  • Forum Post: Re: ADS1298 TQFP chip any news on when it will be out I have a 40 pin carrier board aproaching completion as a open source kicad design.

    Joseph Wu Joseph Wu
    Just to let you all know, the TQFP version of the ADS1298 is now released. It now shows as active on the TI website. Joseph Wu
    on Aug 16, 2010
  • Forum Post: Re: TQFP package for ADS1298

    Joseph Wu Joseph Wu
    Just to let you all know, the TQFP version of the ADS1298 is now released. It now shows as active on the TI website. Joseph Wu
    on Aug 16, 2010
  • Forum Post: Re: ADS1298 TQFP chip any news on when it will be out I have a 40 pin carrier board aproaching completion as a open source kicad design.

    Joseph Wu Joseph Wu
    Josh, I'm not too familiar with the Arduino (hardware or software options) so I'll defer to someone who knows more about it. However, I do know that the internal clock in the ADS1298 is not adjustable, so it cannot be slowed. Joseph Wu
    on Aug 16, 2010
  • Forum Post: AD1298 developed for MSP430

    Yan Jia-hong Yan Jia-hong
    DEAR ALL: Has successfully developed ADS1298 MSP430 users? Can share the successful experience or code ?
    on Aug 19, 2010
  • Forum Post: Re: ADS1298 open source design help request & this will assist open source and development & interest in the chip

    josh wojnas josh wojnas
    I just sent out a TQFP version of this with much less pieces on my website. https://sites.google.com/site/openloopproject/Home/code-valt The design files are in the free and open source kicad software. The folder is ads1298 The zip file is NeuroCyberProstheticsSensor-0.zip...
    on Aug 19, 2010
  • Forum Post: Re: VREF Problem with ADS1298ECGFE-PDK

    Benjamin Tan Benjamin Tan
    I reviewed the Spec and noticed that my jumper was not in the correction position for JP24. Changed it and that fixed everything. Not sure how that happened though. I would have expected all the jumpers to be in the correct position from the vendor but I guess that's why they have manuals. ...
    on Aug 20, 2010
  • Forum Post: ADS1298 Chip Select (CS), can it be always selected?

    josh wojnas josh wojnas
    ADS1298 Chip Select (CS) can it be always selected? & Start pin can it be used to at system start up to stop multiple conversions and load configuration registers then start multiple converters in sync? It apears in the data sheet CS can stay selected all the time their seems no requirements for...
    on Aug 22, 2010
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