Hall effect CV pedals

[Toby Paddock]

This was probably mentioned already, but I just 
saw this hall effect sensor from Analog Devices.
http://products.analog.com/products/info.asp?product=AD22151X
>From the datasheet:


The AD22151 is a linear magnetic field transducer. 
The sensor output is a voltage proportional to a 
magnetic field applied perpendicularly to the 
package top surface.

The sensor combines integrated bulk Hall cell 
technology and instrumentation circuitry to 
minimize temperature related drifts associated 
with silicon Hall cell characteristics. 

Principle features include dynamic offset drift 
cancellation and a built-in temperature sensor. 
Designed for single +5 volt supply operation.
Tastes just like butter, but with 1/3 fewer calories.


Hoping this finds you,
Toby Paddock
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