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LC78632RE

Features: • VCEC support• Built-in PLL circuit for EFM detection (supports 4* playback)• 18KB RAM on chip• Error detection and correction (corrects two errors in C1 and four errors in C2)• Frame jitter margin: ±8 frames• Frame synchronization signal detection, p...

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SeekIC No. : 004392192 Detail

LC78632RE: Features: • VCEC support• Built-in PLL circuit for EFM detection (supports 4* playback)• 18KB RAM on chip• Error detection and correction (corrects two errors in C1 and four ...

LC78632RE Data Sheet

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Part Number:
LC78632RE
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

• VCEC support
• Built-in PLL circuit for EFM detection (supports 4* playback)
• 18KB RAM on chip
• Error detection and correction (corrects two errors in C1 and four errors in C2)
• Frame jitter margin: ±8 frames
• Frame synchronization signal detection, protection, and insertion
• Dual interpolation adopted in the interpolation circuit.
• EFM data demodulation
• Subcode demodulation
• Zero-cross muting adopted
• Servo command interface
• 2fs digital filter
• Digital de-emphasis
• Built-in independent left- and right-channel digital attenuators (239 attenuation steps)
• Supports the bilingual function
• Left/right swap function
• Built-in 1-bit D/A converter (third-order ` noise shaper, PWM output)
• Built-in digital output circuit
• CLV servo
• Arbitrary track jumping (of up to 255 tracks)
• Variable sled voltage (four levels)
• Six extended I/O ports and 2 extended output ports
• Built-in oscillator circuit using an external 16.9344 MHz or 33.8688 MHz (for 4* playback) element
• Supply voltage: 4.5 to 5.5 V


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Ratings
Unit

Maximum supply voltage

VDD max

0.3 to +7.0
V
Input voltage
VIN
0.3 to VDD + 0.3
V
Output voltage
VOUT
0.3 to VDD + 0.3
V
Allowable power dissipation
Pd max
470
mW
Operating temperature
Topr
30 to +75
°C
Storage temperature
Tstg
40 to +125
°C



Description

The LC78632RE is a compact disc D/A signal-processing LSI for Video-CD players that provides a variable clock error correction (VCEC) mode. The LC78632RE demodulates the EFM signal from the optical pickup and performs de-interleaving, error detection, error correction, digital filtering, and other processing. The LC78632RE includes an on-chip 1-bit D/A converter, and executes commands sent from a control microprocessor.




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