Design-Reuse

Sigma-delta techniques extend DAC resolution

Motion control systems often require digital-to-analog converters with high resolution but not high accuracy. Because high-accuracy DACs are expensive and consume valuable board space, a good solution ...
T3

Topping's new reference-class DAC/preamp is a smart-looking technical tour de force

Topping's new D900 is a preamp and DAC system, featuring the firm's own proprietary 1-bit DAC design, a bespoke power supply, and the latest generation of Topping's PSRM architecture. The manufacturer ...
ecoustics

Topping D900 Flagship DAC/Preamp Breaks Tradition with New PSRM Tech: No AKM, No ESS, No Problem

Topping’s $1,799 D900 DAC/Preamp debuts with a custom PSRM 1-bit engine, analog volume control and 10-band PEQ. Topping’s new D900 isn’t just another DAC/Preamp—it’s a calculated middle finger to ...
EDN

DACs for DSP, part 1: DAC architectures

Part 2 looks at interpolating DACs and sigma-delta DACs. For background reading, check out Basics of ADCs and DACs. Figure 2. The Simplest Current Output DAC. In this DAC, once a resistor is switched ...