TC9432AF ,Digital Servo Single Chip Processor Built in 1 Bit DA ConverterFunctional Description Remarks 1 TEST0 I Test mode terminal. Normally, keep at open. With pull-up r ..
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TC9432AF
Digital Servo Single Chip Processor Built in 1 Bit DA Converter
TC9432AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC9432AF Digital Servo Single Chip Processor Built in 1 Bit DA Converter
The TC9432AF is a single chip processor which incorporates the
following function: synchronous separation protection and
interpolation, EFM demodulation, Error correction,
microcontroller interface, digital equalizer for use in servo LSI
and servo control circuit.
In addition, the TC9432AF incorporates a 1 bit DA converter. In
combination with the head amplifier TA2109F, TA2153FN for
digital servo, the TC9432AF allow simplified, adjustment-free
structuring of CD player system.
Features Sync pattern detection, sync signal protection and
synchronization can be made correctly. Built in EFM demodulation circuit, subcode demodulation circuit. Capable of correcting dual C1 correction and quadruple C2 correction using the CIRC correction theoretical
format. The TC9432AF respond to variable playback system. Jitter absorbing capacity of ±6 frames. Built in 16 KB RAM. Built in digital out circuit. Built in L/R independent digital attenuator. Audio output responds to bilingual function. Reed timing free subcode Q data and capable of synchronous output with audio data. Built in data slicer and analog PLL (free-adjustment VCO). Capable of automatic adjustment function of focus servo and tracking servo, for loop gain, offset and balance. Built in RF gain automatic adjustment circuit. Built in digital equalizer for phase compensation. Built in RAM for digital equalizer for coefficient, and capable of variable pickup. Built in focus, tracking servo control circuit. Search control corresponds to every mode and can realize high speed and stable search. Lens-kick are using speed controlled form. Built in AFC circuit and APC circuit for CLV servo of disc motor. Built in anti-defect and anti-shock circuit. Built in 8 times oversampling digital filter and 1 bit DA converter. Built in analog filter for 1 bit DA converter. Built in zero data detect output circuit. The TC9432AF capable of 4 times speed operation. Built in microcontroller interface circuit. CMOS silicon structure and high speed, low power consumption. 100 pin flat package.
Weight: 1.6 g (typ.)
