DA conversion circuit

  
D/A conversion circuit by the DAC0832 and op amplifier LM358, etc., there are two bad-out channel, unipolar voltage output. Digital output range: OO-H FFH, corresponding to an
DA conversion circuit - schematic

output voltage range; O Sv. Digital PID controller is plowing ox horn control bi cents. Electrical resistance furnace temperature control, which corresponds to 5v 200. ov corresponds to 0. DAC0832 address is 288H ~ 28BH, then the reference voltage regulator block 7805 output + 5v, before an operational amplifier output out of o ~ - 5v. The second stage of the operational amplifier output is o- + 5v.




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