Only 8-bit A/D and D/A converters are included in the design shown in Fig.9-23.This limits the resolution to only 1 part in 256.If the voltage range of the input or output were -10 V to +10 V, the resolution would be:
A flowchart for inputting a block of A/D samples using programmed timing
is given in Fig.9-24.
Only 8-bit A/D and D/A converters are included in the design shown in
Fig.9-23.This limits the resolution to only 1 part in 256.If the voltage
range of the input or output were -10 V to +10 V, the resolution would be:
20/256=0.078 V
For higher resolutions, 10-, 12- or 14-bit converters are required.
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