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TC94A14FB Datasheet

  • TC94A14FB

  • Digital Servo Single-Chip Processor for Use in CD Player

  • 17頁

  • TOSHIBA

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TC94A14F/FA/FB
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC94A14F,TC94A14FA,TC94A14FB
Digital Servo Single-Chip Processor for Use in CD Player
TC94A14F/FA/FB is a single-chip processor which incorporates
the following functions: sync separation protection, interpolation,
EFM decoder, error correction, micro controller interface, digital
equalizer for use in servo LSI, and servo control circuit.
TC94A14F/FA/FB also incorporates a 1-bit DA converter.
Combining TC94A14F/FA/FB with digital servo head amp
TA2157F/FN enables very simple and completely adjustment-free
CD player systems.
TC94A14F
Features
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Capable of decoding the text data.
Sync pattern detection, sync signal protection, and
synchronization can be made correctly.
Built-in EFM demodulation circuit and sub code
demodulation.
Capable of correcting dual C1 correction and quadruple C2
correction using the CIRC correction theoretical format.
The TC94A14F/FA/FB respond to variable playback system.
Jitter absorbing capacity of 鹵6 frame.
Built-in 16 KB RAM.
Built-in digital out circuit.
Built-in L/R independent digital attenuator.
Audio output responds to bilingual function.
Output format for audio out can be selected 32fs, 48fs or 64fs
modes.
Read-timing-free sub code Q data and capable of synchronous
output with audio data.
Built-in data slicer and analog PLL (adjustment-free VCO).
Capable of automatic adjustment function of focus and
tracking servos for loop gain, offset and balance.
Built-in RF gain automatic adjustment circuit.
Built-in digital equalizer for phase compensation.
Built-in focus and tracking servo control circuit.
Search control corresponds to every mode and can realize high speed and stable search.
Lens-kick and feed-kick are using speed-controlled form.
Built-in AFC and APC circuits for CLV servo of disc motor.
Built-in anti-defect and anti-shock circuit.
Built-in 8 times over sampling digital filter and 1-bit DA converter.
Built-in analog filter for 1-bit DA converter.
Built-in zero data detection output circuit.
The TC94A14F/FA capable of 4 times speed operation.
Built-in micro controller interface circuit.
CMOS silicon structure and high speed, low power consumption.
64-pin flat package.
Weight
QFP64-P-1414-0.80A: 0.5 g (typ.)
LQFP64-P-1010-0.50: 0.4 g (typ.)
QFP64-P-1212-0.65: 0.45 g (typ.)
TC94A14FB
TC94A14FA
Built-in RAM for digital equalizer for coefficient, and capable of variable pickup.
1
2002-11-18

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