Accelerometers

[tdrury at SPBTED.gtri.gatech.edu]

> > Didn't someone just come out with a single chip accelerometer that can
> > be programmed to give one of two axes or rotational acceleration.  As
> > I recall the chip was supposed to cost about $9.
> 
> I'd be *very* interested in this chip if anyone knows anything about it.
> 
> -Jody

I finally found the data sheet.  Amp's ACH-04-08 is a 3-axis accelerometer
(y-axis, z-axis, and rotational acceleration around z-axis) that is fully
programmable.  You can read only 1 axis at a time in either digital or
analog format.  y-axis sensitivity is 1.5 mV/g, z-axis is 12 mV/g, and
rotational is 0.3 mV/rad/s^2.  I don't have time to quote the entire data
sheet but I think is has programmable gain (ie. ranges).  I was wrong
about the price: it is $30 (maybe I was thinking $10 per axis?). Oh yeah,
this data sheet and price is preliminary.

-tim