Hello E2E,
Quick question here. Is is possible to get 1% accuracy of position when using a linear movement (instead of a dial)? I read somewhere that it can be as accurate up to the radius of the coil, is that true? Is there a good white paper somewhere that I can read? Thank you so much for your help here!
Russell
Hello Russell,
Yes, you can obtain 1% or better linear positioning accuracy, although the system geometry is a primary consideration. First, the sensor size should be sized so that the distance between target and sensor is less than 20% of the sensor diameter; the target should be close to the same size as the sensor, and you might not be able to operate at the maximum sample rate of the LDC. It is also recommended to use multiple sensors in a differential configuration (which is what was done with TIDA-00508). You may consider the LDC1312/4 or LDC1612/4. Refer to Ben Kasemsadeh's app-note (www.ti.com/.../snoa931.pdf) and blog post (
