I was delighted when reader and DI contributor Jim Brannan proposed writing up his base-3 DAC design. Like Charlieplexing, his idea makes use of tristate outputs to wring more information from a pin ...
Linear Technology's LTC2668 is a 16-channel, 16-bit DAC with SoftSpan outputs, each of which can be independently configured for one of five selectable unipolar and bipolar output ranges of up to ±10 ...
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