S5L9250B View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S5L9250B

The CD-ROM 48X 1 chip receives the input signal read from the CD-DA/VIDEO-CD/CD-ROM disc after handling by the RF amplifier.

Samsung 

S5L9250B

DATA SHEET

ARCHITECTURE DESCRIPTION

DIGITAL SERVO

Characteristics

• CD-ROM MAX 48X:

CLV: 4X, 8X

CAV: MAX 12X, 16X, 20X, 24X, 32X, 40X, 48X.

• Servo automatic adjustment:

F/T/SBAD offset, tracking balance, focus bias, F/T loop gain

• F/T input AGC feature that adapts to work with various disc types at an optimum level

• Track search algorithm using speed control method

• Algorithm for handling defects and shocks

• Generates various servo monitor signals: FOK, MIRR, TZC, and ATSC.

• Built-in 10-bit ADC (8ch division):

Samples FE/TE/various channels (1/16int.handling) three times at each fs.

• Built-in 4ch 10-bit DAC (for fod/trd/sled0, sled1 use)

• Disc discriminating data out (FEpk, SBADpk)

• Built-in 16-bit H/W track counter

• MICOM I/F feature: 8-bit parallel interface

• Serial interface with serial interface

Various automatic adjusting control signals, LD on/off, etc.

• Each loop filter's coefficient selection possible through MICOM:

focus normal/down, tracking normal/up, sled filter, various average value filter, BPF for ATSC use, BPF for

loop gain automatic adjustment, etc.

• Sampling frequency: 176.4kHz

• System clock: 33.8688MHz

• 3.3V & 5.0V dual power

14

Share Link: