Need amplifier like OP497 but smaller size
We have had success in building an amplification circuit with the OP497 G class amplifier. Our application is amplifying a very low current DC input signal from a photodiode which will be charge...
View Articleproblem with Usb, when using SDP
Hi, I am using EVAL-CN0209-SDPZ and EVAL-SDP-CB1Z. I have powered the SDP as per the instructions provided in the SDP user guide.But a message pops up saying" the usb device is not recognized. One of...
View ArticleRotation Measurement
Hi Folks, We would like to measure rotations per minute (RPM) of a spinning toy globe. I am a sensor newbie. How can RPM be measured with mems gyros or accelerometers or their fusion ? How do we...
View ArticleBF527 isochronous transfer
I'm currently checking wether the BF527 would be a suitable USB host processor for my embedded application, where I need to stream data from a peripheral to the BF527 using isochronous transfers. in...
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Doubt on AD7760 INL spec
Hi, In the datasheet, the AD7760 24 bit ADC INL spec is given as 0.00076% typ. Can you please say if this is 0.00076% of the VREF(4V) or 0.00076% of ADC FS input(3.2V)? Or is it just an absolute value...
View ArticleAD9364 Baluns
Hi All, I wish to know that is there any baluns which supports from 4000 MHz to 4500 MHz in one of my application. I referred the document (technical manual) and i didn't find any baluns in that...
View ArticleAD5933EBZ _four electrode method.
HiI am trying to measure the impedance of some biological sample using four terminal method.So can i do it by the AD5933EBZ board or any extra circuit is required for that?regards nizamudheen
View ArticleControlling AD9959 Evalboard Z with microcontroller
Dear community, I am experiencing difficulties in controlling a AD9959 on the evalboard with a microcontroller and would be extremely glad for any hint to the problem.I am using the AD9959/PCBZ REV.C....
View ArticleNoisest Opamp?
Now that I've got your attention...no, no, this is real. My company wants to sell into China without having to wait months for an export license, we can accomplish this by making the resolution of our...
View ArticleBBBW vs Fcutoff
Someone asked by email: Can you explain the relationship between the BBBW that is referenced in the Calibration user guide section titled 'BASEBAND RX ANALOG FILTER CALIBRATION' and the 'Fcutoff' field...
View ArticleI need OPamP in analog signal (5nV, 100 Hz @ 20KHz)
hello I need a OPAM work with a signal that is highly noisy frequents a range of 100Hz to 20KHz to let me do this filtering . The signal has an amplitude of 5nV peak .
View ArticleInterfacing ARM and AD8403(Digital Potentiometer)
Dear sir/mam, As i am working interfacing ARM and AD8403 IC(digital potentiometer),i am measure resistance value,what i am doing is from ARM i am sending data through SPI every 20sec data i am...
View ArticleQuestion for your AD7762
Dear Sir/Madam, I just got a question from our customer.As for your datasheet page-4 DIGITRAL I/O, VOH show min 1.5V when 400uA load current. So if the load current is 5uA to 10uA, then how does min...
View ArticleHigh speed op amp with output current limiting
Hi, I'm looking for a +/- 5V (or greater) op amp with >200MHz BW. Normal operation would be 50mA peak AC into a 30 to 50 ohm load. However, there are times the load will drop to near zero and I...
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AD9548 Evaluation board for XP
Hi, I got the AD9548 evaluation board last month. When I connected the evaluation board to the computer by USB, the window XP just shows not able to find the usb driver. I also installed the...
View ArticleADXL345 having z axis constant value ie -1
hi,,,I am working on ADXL345 1st time ,i interface pic30f3011 with ADXL345 with I2C i want to measure tilt angle with 0.2 degree resolution, i have problem with z axis reading which show constant -1...
View ArticleADXL375 not working with Windows 8/8.1
We can't get the ADXL375 eval board to work with Win 8, apparently no drivers built. Has anyone else encountered this, and if so, is there a workaround. Troy
View ArticleHow to control AD9958 with dsPIC(32-bit)?
I cannot understand how to connect AD9958 with external controller(dsPIC) ? For manual operation removal of jumper W0-W3 and setting up Jumper W7 is sufficient?
View ArticleADXL345 Z axis invalid readings
Hello,I'm using ADXL345 and configured it for +/- 2g, I'm getting correct readings for X and Y axis but Z axis always shows -1 value. If I configure it for +/- 16g then only it shows variation in Z...
View ArticleAD9911 Sweep down setting in No Dwell Mode.
Hello I'd like to sweep down output on No Dwell Mode for AD9911. For setting.(Data sheet P25 fig 44)FTW0( S0) is High Frequency. to FTW1(E0) is Low frequency. And It must set down sweep setting FSRR...
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