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Direct Digital Feedback Amplifiers (DDFA™)
Direct Digital Feedback Amplifier (DDFA™) technology is the unique, exceptional performance, closed loop architecture used to create outstanding digital amplifiers. DDFA enables switching amplifier solutions capable of producing a sound quality to challenge that of the very best linear amplifier. The scalable architecture of DDFA audio amplifiers suits a broad range of power levels, integrates many amplifier peripheral functions, significantly reduces cost and dramatically simplifies system design. Comprising a multi-channel digital modulator (ZXCZM800) and a feedback processor (ZXCZA200), the DDFA chipset combines with Class D output stages to create high performance amplifiers achieving a THD+N of less than 0.004% and dynamic range of 118dB.
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Latest news:DAC and pre-amp brings cost and performance advantages to AVR and sound card design Diodes Inc. has introduced an 8 channel DDFA™ DAC and pre-amplifier chip offering product designers the opportunity to reduce component costs and improve audio performance. The ZXCZM800 dramatically reduces circuit complexity, and will deliver a DNR as high as 126db. In designs currently using multiple 2-channnel DACs, the ZXCZM800 offers the means to reduce component inventory and PCB size and improving sound quality. The ZXCZM800 also offers the option of pre-amplifier DSP features such as integrated volume control and digital multiplexing to further enhance product features and performance. For further information about DDFA DACs email: audio@eu.diodes.com Audio Press Room |
Zetex and NAD Electronics unveil collaboration in the development of high-performance digital audio amplifiers