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AD9524 I2C data hold time
Hi, In datasheet there mentions the max. I2C data hold time is 800ns, customer wants to know the test condition/clock speed? If they use lower speed of I2C(e.g 100KHz) then what is the suggested value?...
View ArticleRe: How to use global variables in user custom algorithms of sigma studio for...
Hi John, I am quite understanding the problem now, and thank you very much for your reply. Best Regards,Liang
View ArticleRe: ADXL 362 Measurement Mode Instruction to Valid Data Issues
Hi Ashwin, After delay 4/ODR, the output are all accurate. This can be seen if you use DATA_READY interrupt. In 4/ODR, the interrupt frequency may change but after 4/ODR, the interrupt frequency should...
View ArticleRe: ADXL 362 Measurement Mode Instruction to Valid Data Issues
BTW, if you want to use polling mode to read ADXL362, you can read it directly after MCU time out. It is unnecessary to check the DATA_READY bit. BRNeil
View ArticleRe: Lock mechanism of ADV7441A
Hello, Matt-san Thank you for your response.I am sorry to trouble you, but I would like to confirm. >With regards to your question 1:You mean the "threshold" which STDI block of horizontal uses for...
View ArticleRe: AD723 input range
Hello, In my design the input to AD723 is a 800 x 600 resolution RGB type, could you please tell me how will I be able to generate a PAL video output for such an input signal. Also please let me know...
View Articlefacing problem in implementation and interrupt handling in UART DMA in ADSP21489
Dear Sir, In my project, i have to work on RS422 interface for receiving input from external source to our unit My unit is design using ADSP21489, I'm using UART interface for receiving input from...
View ArticleRe: Spurs at EV of AD9910
Hi Meir,Can you please specify your Clock frequency.Assume your clock frequency is " Y "And your output frequency is "X"At this case you will get the spurious of combination (m*X) ± (n*Y)Where n &...
View ArticleRe: Question about the "CopyFloat2Fix" and the "CopyFix2Float" function
Hi John, I am now still confused by the main purpose of shifting up by 8 bits.As referring to the example projet "21489 AD1939 I2S C Sampled-Based Talkthru" in VDSP,I find that it just directly changes...
View ArticleRe: ADE7878 Evaluation Board - Beginner
Hi David, For the past one week I have been working with Voltage and Current calibration. I was trying out various things and making sure that voltage and current calibrations are fine. These are the...
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Re: Frequency Sweep using HMC834LP6GE
Hi Zek, 1. Sweep / Scanning time of frequency is also calls for the frequency switching time and number of points is also a matter. We used HMC830LP6GE and we achieved minimum frequency switching time...
View ArticleRe: Can the AD5735 be used in single supply configuration?
Hi Lionel, I am Pooja, working in Quest-Global india. I am working on application using DAC AD5735 and my requirement is 2 different channel configuration, 1. channel bipolar volatge output(+10 &...
View ArticleRe: Can the AD5735 be used in single supply configuration?
Hi David I am Pooja, working in Quest-Global india. I am working on application using DAC AD5735 and my requirement is 2 different channel configuration, 1. channel bipolar volatge output(+10 & -10...
View ArticleRe: Spurs at EV of AD9910
Hi, You have to check by setting 700MHz as your clock frequency is "X" in the Excel sheet. As per your test result it seems that your 700MHz is not pure. you check the spurious level of 700MHz. Your...
View ArticleRe: ADXL375 not working with Windows 8/8.1
Neil, thanks, we do not get the COM1 line as you snapped above..only the COM4...Troy
View ArticleRe: AD9978A:How to use VDHDLATENCY_CTL?
Hi TFAnalog-san. Thank you for an answer.I understood that it was adjustment in a timing of internal VD,HD. BestRegardsaimPoint
View ArticleRe: i2c map addresses for multi-device support
Thank you for the correct answer, it helped me to understand how to program all register maps correctly.
View ArticleRe: ADXL375 not working with Windows 8/8.1
Hi Troy, If you can see the ADI Inertial Sensor Evaluation System (COMx) in your PC, that means the PC can find the board correctly. Then, the board should can work normally.Please check the CR1 on the...
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Re: AD5450 How to decide R3 resistance constant?
Hi, Shinji-san. The effects of the R3, R4, and R5 on the output voltage on figure 45 is as follows:According to figure 45, R3 = 20kΩ = R5, and R4 = 10kΩ. Applying these values will give you the same...
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