MAP SENSOR

[Seth]

On Sat, 26 Jul 1997, Clare Snyder wrote:

> 
> Just looking for some clarificarion:
> 
> Is MAP sensor output a linear analog signal? In other words, is it a
> variable DC output voltage proportionate to manifold pressure? Something
> like supply voltage (5VDC +/-) at atmospheric, and 1.0 +/- at full manifold
> vacuum ( closed throttle decel?)or is it a frequency type signal?
> 
> Mabee there are both kinds?
> 
> 
> 
The MAP sensor that I purchased, the motorola MPX4250AP, is absolute 
pressure withoutput 0-5 volts at pressures 20 to 250 kpa, or ~ 0-2.5 bar.
Similar sensors can be ordered form motorola, but if I seem to remember 
the resolution isnt much better than the MXP 4250AP. 

Seth Allen