RF AMP & SERVO SIGNAL PROCESSOR
RF AMP & SERVO SIGNAL PROCESSOR
S1L9223B02
INTORDUCTION
80-TQFP-1212 The S1L9223B02 is a 1-chip BICMOS integrated circ...
Description
RF AMP & SERVO SIGNAL PROCESSOR
S1L9223B02
INTORDUCTION
80-TQFP-1212 The S1L9223B02 is a 1-chip BICMOS integrated circuit to perform the function of RF amp and servo signal processor for compact disc player applications. It consist of blocks for RF signal processing, focus, tracking, sled and spindle servo. Also this IC has adjustment free function and embedded OP-AMP for audio post filter.
FEATURES
RF amplifier & RF equalizer Focus error amplifier & servo control Tracking error amplifier & servo control Mirror & defect detector circuit Focus OK detector circuit APC (Auto Laser Power Control) circuit for constant laser power FE bias & focus servo offset adjustment free EF balance & tracking error gain adjustment free Embedded audio post filter The circuit for Interruption countermeasure Double speed play available Operating voltage range: S1L9223B02: 3.4V
ORDERING INFORMATION
Device S1L9223B02-T0R0 Package 80-TQFP-1212 Temperature Range −20 to +70 °C
RELATED PRODUCT
S5L9286F02 Data Processor
1
S1L9223B02
RF AMP & SERVO SIGNAL PROCESSOR
BLOCK DIAGRAM
MDATA
TRCNT
RESET
WDCH
ISTAT
LOCK
58
53
21 29 28 30 37 36
35 34 50 51
57
25 27
26
RFRFO PD1 PD2 FEBIAS F E EI PD LD VR EQC EQO IRF ASY EFM RFI DCB DCC2
72
FRSH
2
ATSC
MCK
FGD
MLT
TE1
TZC
FE1
FE2
FS3
FLB
RF Amp
73 64 65 62
MICOM Data Interface Logic
Focus Phase Compensation & Offset cancel circuit
59 46 47
FDFCT FEFEO
Focus Error Amp FE-BIAS Adjustment
56
TDFCT TET...
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