You can always get a higher rate with a dedicated chip, and they are pretty cheap these days. The max you can do the pwm trick is a function of the max clock ra

You can always get a higher rate with a dedicated chip, and they are pretty cheap these days. The max you can do the pwm trick is a function of the max clock rate, divide down pwm clock, and the number of bits you want for resolution. Take a look here: http://www.designingwithsensors.com/applications/all_articles.php?art_id=783 http://www.designingwithsensors.com/applications/all_article...