8980 - SUPERSERVO SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER
ACTUATOR Servo-Demand DAC.
A 12-bit DAC is provided to bridge the DSP “soft” domain to the analog hardware domain.
The term “demand” refers to the distinction between the newly requested voice-coil current and the prior current being supplied.
The DAC, operating in straight binary format, spans the
8980 Features
* and system diagnostics are provided via a serial interface under the direction of an external microcontroller. The large-scale integration and use of advanced DABiC™ (digital/analog-BiCMOS) merged technologies results in minimum power dissipation, minimum operating voltage requirements, and minimum
