TC9284BF

The TC9284BF is a single chip processor for sync separation protection/synchronization, EFM demodulation, error correction/interpolation,microcomputer interface, CLV servo a focus tracking servo in CD player system. And, built-in 1bit DA converter.

Features of the TC9284BF are:(1)positive sync pattern detection, sync signal protection and synchronization; (2)built-in EFM demodulation and subcode demodulation circuit; (3)has the correction capacity of single and double corrections for C1 and C2 correcting units,respectively, using CIRC correction theoretical format; (4)jitter absorbing capacity of ±5 frames; (5)built-in 16K RAM; (6)built-in digital out circuit; (7)smooth muting through zero cross detection; (8)read timing free subcode Q data; (9)built-in data slicer and analog PLL (free-adjustment VCO adopted) circuit.; (10)focus/tracking loop gain auto adjusting function incorporated; (11)built-in AFC and APC circuits for disc motor CLV servo; (12)built-in focus tracking servo control circuit; (13)tracking search control capable of coping with all modes.

The absolute maximum ratings of the TC9284BF can be summarized as:(1)power supply voltage:-0.3 to 6.0 V;(2)input voltage:-0.3 to Vdd+0.3V;(3)storage temperature:-55 to 150;(4)power dissipation:1250mW;(5)operating temperature:-35 to 85.The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk.

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