Lincoln DAC Example
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[[Image:Lincoln_dac2.png|center|]] | [[Image:Lincoln_dac2.png|center|]] | ||
Current revision as of 14:16, 10 April 2012
Digital to Analog Converter (DAC)
Compatibility Lincoln 60, Lincoln 60E
The NXP LPC1769 microcontroller used in the Lincoln controller line supports one channel of 10-bit DAC that has an update rate of 1 MHz. The DAC signal is available on pin 7 on the following header:
Lincoln: Analog to Digital connector pin out
This example shows how to use the DAC to generate a saw tooth wave. The signal output is shown below. In integer format the 10-bit outputs go between 0 and 1023 (0x03FF) for the range 0.00V to 3.30V in steps of 3.22 mV. Op-amps or other alternatives should be used to implement scaling and isolation.
