Forum Post: RE: TSW3085 EVM Schematic
Jim,I have the TSW3085 Rev D. Could you please provide a schematic for Rev D?Thanks,Mike
View ArticleForum Post: RE: ADC128S102 reading problem when switching between channels
Hi Harry,At the center of you problem is the fact that the internal sampling capacitor is not discharged between samples. In essence the sample acquired from Ch4 is still there when acquiring Ch7. You...
View ArticleForum Post: PGA280+ADS1259 Driver for MSP430F55xx
Is there any SPI driver example for the MSP430F55xx to interface with PGA280+ADS1259? I noticed that used to exist an Demo application for the MAVRK (LINK) that uses an MSP430F5, so there might be some...
View ArticleForum Post: RE: AIC3254 = Marvell PXA320 I2S Interconnection...
I'm wondering if you are observing some idle channel noise effect. What happens if you apply a valid audio signal (not a DC value). Can you successfully convert a 1kHz sine wave?
View ArticleForum Post: RE: SPDIF to I2S Convertion without uC interaction
All our SPDIF receivers that work up to 192kHz require a uC for configuration.The DIR9001, which does not require configuration, works only up to 96kHz.
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Forum Post: RE: tlv320AIC3204 adaptive filtering
hii am just TIBQ and AIC3204 CS, then when i use the AIC3204 CS i get something like thiswhich is i need to move the signal from 0 to 100 and 3400 Hz onward until -22dB and below. if this is the freq i...
View ArticleForum Post: RE: LDC1000 Power supply need if connected with USB?
Hi,Are you using LDC1000EVM? If it is, then you needn`t to add external power.Regards, Sunny.
View ArticleForum Post: RE: Writing to ADS8201 registers
Thanks. That was the piece I was missing.Confusingly, TIers in other threads have suggested that SPI mode 0 (clock idles low, sample on rising edge) is correct. Also, the chip outputs data on the...
View ArticleForum Post: RE: ADS1248 power on reset problem
Hi Nagaraj,One possible issue may be with the length of time the device is off. All capacitors must be fully discharged prior to reapplying power. A second possibility may be related to the CLK pin on...
View ArticleForum Post: RE: TSW1400EVM Data Overwritten
Hello Thayne,We have narrow down the issue to be the memory of the TSW1400. You may notice that the current memory on the TSW1400 is labeled as 2RX16 (dual rank). We have running some tests with 1RX8...
View ArticleForum Post: RE: Buffer amplifier for DAC8734EVM
Hi Eugenio, thanks for the quick reply. While I was looking for an opamp to perform the impedance matching, I indeed ordered a few free samples of OPA552 (PDIP package), but I still got problemsWhen...
View ArticleForum Post: Life span of ADS1255
Sirs,I am in the marketing looking for a 24 bit ADC with relatively high sampling rate for DC and low frequency measurement. I have focused my attention on the ADS1255 but when reviewing the docs I...
View ArticleForum Post: RE: Filters in ADS1274EVM
The user guide at http://www.ti.com/tool/ads1274evm-pdk has the schematics of the EVM included. The information that you are after should be on page 20 of the user guide.
View ArticleForum Post: RE: LMP90100 ODR in multi-channel configuration
Hi Anton,With the Multo-channel configuration the sequence would be First through last channel. CH0, CH1 ... LAST_CHEach channel will take the (1/ODR) time for that channel. i.e if two channels are...
View ArticleForum Post: RE: LMP90099 Datasheet Clarifications
Hi Reagan,1. Yes.2.Yes, Single ended can be used with gains 8 or less.3.Yes.4.Can I know what you are refering to ? to get out of stand-by mode you will have to write PWRCN register, there is no...
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Forum Post: RE: Total power dissipation on TVP5158
Hi Steve,Thanks a lot for your comments.I had two queries as below.1. I2C bus is inactive (high) before TVP5158 power stable, is it OK?2. Reset signal shall be from high->low->high(>20 ms) or...
View ArticleForum Post: RE: Why does LMP90100 give random results on the very first read?
Hi Raymond and Brad, Apologies for such a huge delay. Several customers have used this part in the same configurations which are in production. We will help you to debug the problem. Can I know if you...
View ArticleForum Post: How to externally Clock the ADS42JB49 eval board
Can you provide instructions for how to externally clock the TI ADS42JB49 eval board? The User’s Guide does not go into detail about how to accomplish this. See Section 3.1 of the User's guide...
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