MN66271RA

For Audio Equipment MN66271RA Signal Processing LSI for Compact Disc Players Overview The MN66271RA is a CD signal processing LSI that, on a single chip, combines optics servos for the CD player (focus, tracking, and traverse servos), digital signal processing (EFM demodulation and error correction), digital servo processing for the spindle motor, digital filter, and D/A converter, so thus covers all signal processing functions from the head's RF amplifier onward. (Spindle motor servo) CLV digital servo (Audio circuits) Digital filter using 8 times oversampling Built-in D/A converter (1-bit D/A converter) Built-in differential operational amplifier (± PWM output) (Other) Built-in playback pitch control function (± 13%) Operating voltage 4.5 to 5.5 V Features (Optics servo) Focus, tracking, and traverse servos Automatic adjustment functions for FO/TR gain, FO/TR offset, and FO/TR balance Built-in D/A converter for drive voltage output Built-in dropout countermeasures Anti-shock functions Built-in track cross counter Support for both linear motor and screw-based traverse mechanisms Support for 3- and 1-beam systems Digital Signal Processing (Digital signal processing) Built-in DSL and PLL Frame synchronization detection, holding, and insertion Subcode data processing Subcode Q data CRC check Built-in subcode Q data register CIRC error detection and correction C1 decoder: duplex error correction C2 decoder: triplex error correction Built-in 16-K bits of RAM for use in deinterl...