DA conversion circuit
Source: InternetPublisher:奥特man123 Keywords: Conversion circuit MDASH Updated: 2020/02/02
The D/A conversion circuit is composed of DAC0832 and operational amplifier
LM358. It has two output channels and
adopts unipolar voltage output. The digital output range is:
OO H—FFH, and the corresponding voltage output range is; O—
Sv. Digital PID control tiller and control wheel. Control
the temperature of the resistance furnace , where 5v corresponds to
200°C. ov corresponds to 0℃. The address of DAC0832
is 288H~28BH, the reference voltage is connected to the output +5v of voltage stabilizing block
7805, and the output of the previous stage operational amplifier
is o~-5v. The output of the second stage operational amplifier
is o—+5v.
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