Digital Servo Driver Dsd-2 - Nxp SemiconductorsThe OQ8844 or Digital Servo Driver 2 (DSD2) consists of
1-bit class-D Power Drivers which are specially designed
for digital servo applications. Three such Amplifiers are
integrated in one chip, to drive the focus and radial
actuators and the sledge motor of a compact disc optical
system.
The main benefits of using this principle are its higher
efficiency grade compared to conventional Analog power
Amplifiers its higher integration level, its differential output
and the fact that only a few external components are
needed. When using these digital Power Drivers in a digital
servo application, the statement complete digital servo
loop becomes more realistic. By NXP Semiconductors
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