In 1973, Analog Devices introduced the world's first CMOS multiplying DACs, the instantly (and still) popular AD7520. It is a switched ten-tap R-2R network, with neither analog nor digital buffering. Read full article
Four Buffered Voltage-Out 8-Bit DACs in One 20-Pin DIP
Industry's First Monolithic Quad DAC Saves Time, Space, & Money; AD7226 Has Fast Response, Tracking Characteristics, 0.3" Footprint
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