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LC78630E

Features: • Built-in PLL for EFM signal synchronization (a hybrid analog-digital PLL that supports 4*playback)• Built-in PLL for variable pitch playback (±13%)• 18KB RAM on chip• Error detection and correction (corrects two errors in C1 and four errors in C2)• Frame j...

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SeekIC No. : 004392190 Detail

LC78630E: Features: • Built-in PLL for EFM signal synchronization (a hybrid analog-digital PLL that supports 4*playback)• Built-in PLL for variable pitch playback (±13%)• 18KB RAM on chip...

LC78630E Data Sheet

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Part Number:
LC78630E
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Built-in PLL for EFM signal synchronization (a hybrid analog-digital PLL that supports 4*playback)
• Built-in PLL for variable pitch playback (±13%)
• 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)
• 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)
• Built-in oscillator circuit using an external 16.9344 MHz or 33.8688 MHz (for 4*playback) element
• Supply voltage: 3.6 to 5.5 V (4.5 to 5.5 V for 4*playback mode)
• Six extended I/O ports and 2 extended output ports


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions
Ratings
Unit
Maximum supply voltage VDDmax
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 Pdmax

470
mW
Operating temperature Topr
20 to +75
Storage temperature Tstg
40 to +125



Description

The LC78630E is a CD-DA signal-processing LSI for use in video CD player systems. The LC78630E incorporates signal-processing circuits for demodulating and deinterleaving the EFM signal from the optical pickup, error detection and correction, and digital filtering. It also includes a 1-bit D/A converter and executes commands sent from a system control microprocessor.




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