Forum Post: RE: ADC12QJ1600-SEP: Interface to Microchip Polarfire FPGA...
Hello Madhu, If the ADC is passing CGS I think the ADC is operating correctly so to me this sounds like a JESD IP issue. Unfortunately I am not familiar with the MicroChip JESD IP and am not equipped...
View ArticleForum Post: RE: ADS8684: ADS8684 REFIO is just 0.8V
Yes - that needs to be tied to AVDD.
View ArticleForum Post: RE: ADC3444: Request for Length Matching Details
Hi Sam, Yes, please length match each P/N diff pair, analog or digital. Meaning each P/N route should be within +/-1mil tolerance. For analog specifically length match each channel otherwise you will...
View ArticleForum Post: RE: ADS5400: Question about ADS5400IPZP
Hi Vlad, Yes, the bond wires are length matched and you have the model to go by in the datasheet. The other thing you could do is take sparameters of the ADC's analog inputs on your board. This would...
View ArticleForum Post: DAC7760: DAC7760 recommended gate configuration for SCLK line
Part Number: DAC7760 Tool/software: I am working with a existing design using the DAC7760 but they have not implemented the recommended gate devices for the Latch and SCLK lines when using more than...
View ArticleForum Post: DAC61408: Power Grounds
Part Number: DAC61408 Other Parts Discussed in Thread: DAC61404 Tool/software: We are looking at replacing a older parallel DAC with the DAC61408. The older DAC has separate power pins for analog...
View ArticleForum Post: RE: DAC8574: Problem: reading back a value from DAC8574
Write DAC8574 Oke write to DAC8574 with no errors Address: 98 80 Data 0 E write of data U11 store i2C Write DAC8574 Oke write to DAC8574 with no errors Address: 98 40 Data 0 7 write of data U10 store...
View ArticleForum Post: RE: DAC8574: Problem: reading back a value from DAC8574
Write DAC8574 Oke Address: 98 80 Data 0 E Write DAC8574 Oke Address: 98 40 Data 0 7 Read DAC8574 Oke Address: 98 41 Data [3F] 0 9 a-DAC: 9 error: 0 Write DAC8574 Oke Address: 98 90 Data 0 B Write...
View ArticleForum Post: RE: ADS1260: meaning of tsu(DRST) and th(DRSP)
Hi Atsushi Hirai, [quote userid="187530" url="~/support/data-converters-group/data-converters/f/data-converters-forum/1444928/ads1260-meaning-of-tsu-drst-and-th-drsp"]Is this correct to understand...
View ArticleForum Post: RE: ADS1293: AC Lead off at 267 samples per second ECG sampling.
I have been testing more with AC lead off. It does seem to interfere with the ECG signal. Since my sample rate is 267 I tried a AC LOD frequency of 78HZ and a drive current 0f 209na and the noise was...
View ArticleForum Post: MSC1213Y3: MSC1213Y3PAGTG4 PCN
Part Number: MSC1213Y3 Tool/software: Hi, one of our customer have the PN MSC1213Y3PAGTG4 on their AML, but cannot find it on your webpage. Could you please help me to share the PCN if the PN become...
View ArticleForum Post: RE: ADC3444 Request for Length Matching Details
closing this post. please refer to this post. thx, Rob e2e.ti.com/.../adc3444-request-for-length-matching-details
View ArticleForum Post: RE: ADS7142: Offset Calibration Issue
Hi Lane, To understand correctly, the offset calibration on some devices is fine on power-up, but it does not occur on other devices. Do you have a specific number of devices that this is happening...
View ArticleForum Post: RE: DAC082S085: DAC not able update voltage
Hi Akanksha, 0001 1111 1111 0000 and 00 10 1111 1111 0000 should result in the same output voltage on VOUTA. Can you share a screenshot of one of your write commands so I can verify the timings and...
View ArticleForum Post: RE: ADS131M08: WREG command
Hi Lucas, If you can guarantee your digital signals and send the signals to the ADS131M08 like what I showed to you before and also the timing example below, there is no way you can not get correct...
View ArticleForum Post: RE: ADS131A04: ADS131A04
Hi Gary, Thanks for your suggestion. I will let the system engineer know and we will make it clear if have a change to update the datasheet. BR, Dale
View ArticleForum Post: RE: ADS131E06:Bits of data read are inverted.
Hi Keizo Mizui, Regarding your description, this phenomenon only happened with UDP and TCP in Ethernet communication mode and it was not observed with USB communication or RS422 when the RDATA...
View ArticleForum Post: RE: DAC82002: Spec sheet clarification
Hi Istvan, 1. The 10 nV/√Hz spec is the isolated noise of the device's output circuit at a midscale code. Reference noise was removed from this measurement. The plot in Fig 6-21 is with other sources...
View ArticleForum Post: RE: ADS131M04-Q1: Help Needed: Basic Communication Between...
Hi KIRYOUNG YANG, Welcome to the TI E2E community! I'm not sure if you have designed and are testing your own circuit board with ADS131M04-Q1 ADC. From your block diagram, you are connecting CAP pin...
View ArticleForum Post: RE: DAC60501: Power up not going to zero volts
Thank you for your reply. It's at least 100mS after Vcc stabilizes at 3.3V, the host micro starts talking to the DAC. I've experimented with a few different boards, and my issues seemed to be isolated...
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