AD1954 SigmaDSP™ 3-Channel, 26-Bit Signal Processing DAC 是 Analog Devices 推出的一款 5 V 3-Channel Audio DAC System,它可以接受采样率高达 48 kHz 的音频信号,并提供 7 Biquad Filter Sections per Channel、Dual Dynamic Processor with Arbitrary Input/Output Curve 和 Adjustable Time Constants 等功能。