About the few information of [ADG849YKSZ-500RL7] package. I can’t find the tolerance information of chip from datasheet.Cloud you help me to provide more information about this?
Thank you very much.
I will replace the chip and re-measure these parameters.
we are facing a glitch issue in the ADG849 input/output. The problem goes like this. We are feeding Square wave of 1ms with 2.5Vpp wave on S1 (Pin-4) and S2 (Pin-6) has constant DC voltage generated from the log detector/op-amp circuit. We…
Unfortunately, we do not have code that involves the ADG849 switching for the CN-0217.
But you can use one GPIO pin of your microcontroller to control the switch and insert the switching between the calibration and measurement sequence.
The condition that will be present at the output of the ADG849 cannot be guaranteed by us if there is no power supply present.
We do have some switches that can handle the situation where there is no power such as the ADG508F and the ADG465/67 but…
In this case leave J2 unconnected. It will allow you to measure the impedance as low as 20 Ω plus whatever the residual resistance ADG849 has (0.5 Ω typical). Watch out for the AD8606 output current restriction at 80 mA though.
Since you want to select between a 10MHz size and the 26MHz TCXO, I would suggest to start by estimating the bandwidth of the 26MHz clipped sine wave from the TXCO and choose a switch with the lowest On resistance that meets the bandwidth criteria…
I think analog switch should have neither buffering nor directivity, means just impedance between terminals
You can get DC resistance from the datasheet and estimate non-linearity introduced by it.
Regarding the switching capabilities, you should…