Forum Post: RE: DAC7821 Positive Voltage Supply
Hi Junheng,The reference device generates a positive 2.5V reference from GND. The negative reference is created by the level shifting of the reference. Since the output of the reference is forced to a...
View ArticleForum Post: RE: AIC34 High Power Outputs.
Bit 7 sets the mic detect threshold. It will be different if you are detecting AC coupled vs Capless. Bit 7 should match the type of output you are using to do mic (speaker) detect. If you are using...
View ArticleForum Post: RE: ADS1147: 3 point vs. 2 point calibration to correct gain and...
Hi Max,What offset are you calculating, is it system or ADC? And how are you making use of the data as a part of your measurement? You really shouldn't be seeing system offset unless you have filter...
View ArticleForum Post: RE: DAC 8728 always outputs 7V.
Ok, sorry It has been so long since my last reply. I found out that I wasn't using the correct power up sequence and so I had to fix that first. And yes I did think of the possibility of the reference...
View ArticleForum Post: RE: Unusual application of ADS1281EVM-PDK
Chris, Thanks for taking an interest in my setup, yes I have +/-10V applied. The setup with the factory original boards works fine. Yes I am looking at I/O the I2C expander. I soldered wires to...
View ArticleForum Post: RE: Testing ADS1232
Hi Vaidyanathan,If using a gain of 1 or two, you should be able to use the potentiometer method, but if you use a gain of 64 or 128 you will be outside the common mode input range of the ADS1232. This...
View ArticleForum Post: RE: TVP5158 driver for DM6467T
I realize this is an old post. But has anyone created a driver that supports the dvsdk3.10 for the DM6467t and TVP5158 that they are willing to share? Please let me know.Thanks,- Mark
View ArticleForum Post: RE: LVDS to CMOS converter suitable for ADS1675
Mr Rotunno -We are not aware of anything for LVDS to SPI conversion as the Data Converter Team.You may want to try and query the Interface forum and see if they are aware of a solution.
View ArticleForum Post: RE: ADS1293 Evaluation Board Firmware Source Code
Hi,You can find the firmware code at http://www.ti.com/product/ads1293, under the Software section. Thanks.
View ArticleForum Post: RE: ADS1212 Getting an accurate and precise digital readout
Hi Alec,Precision dataconverters and breadboards don't usually go well together. Lots of possibilities for poor connections and miswiring. Breadboards are also notorious for noise and oscillation.As...
View ArticleForum Post: RE: PICkit2 to ADC to serial
Hi Michael,The PIC16F877 is not made by TI, so we cannot help you with this part. Of course, you could look at TI's MSP430 line of microprocessors to accomplish what you need.Regards,Matt Guibord
View ArticleForum Post: RE: DAC7821 Positive Voltage Supply
C1, the compensation capacitor that you mention, is recommended in order to minimize stability issues. These issues generally come from the OpAmp’s capacitive load capabilities. The datasheet of the...
View ArticleForum Post: RE: LM49350 as I2S Master
Ok , i Got it , and it seems to be working finethanks for your response .
View ArticleForum Post: RE: LM49350
Thank you for your responseI am getting desired audio plus white noise.I checked the PLL settings again, and everything looks ok according to the datasheet.Regards,Jesus Zendejas
View ArticleForum Post: RE: ADS1282 Filter Magnitude Response
Hi Ragon,Please see my attached analysis: (Please visit the site to view this file)I did not see a passband ripple above 0.003 dB. I think my step sizes of 0.1Hz from 1-100Hz, and 1Hz from 100-1000Hz...
View ArticleForum Post: spurious at o/p of DAC3484
I've made a board consisting of DAC3484, TRF3705 and LMK4806. DAC is runnig at 1.2 GSPS. At the o/p of TRF3705 I'm getting on & off spurious signals. DAC3484 o/p is connected to TRF3705 with 300...
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