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The LC78622 is a digital signal processor (DSP) IC manufactured by SANYO. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: SANYO
• Type: Digital Signal Processor (DSP)
• Package: Likely available in DIP or SOP form (exact package may vary)
• Power Supply: Typically operates at 5V
• Sampling Rate: Supports 44.1kHz (standard CD audio sampling rate)
• Bit Resolution: 16-bit digital audio processing
• Interface: Compatible with CD-DSP systems

Descriptions:

The LC78622 is a DSP chip primarily used in CD (Compact Disc) players and related audio systems. It performs digital signal processing tasks such as error correction, interpolation, and digital filtering to ensure high-quality audio playback.

Features:

• Error Correction: Includes CIRC (Cross-Interleaved Reed-Solomon Code) for CD data error correction.
• Digital Filter: Built-in 8x oversampling digital filter for improved audio quality.
• EFM Demodulation: Supports Eight-to-Fourteen Modulation (EFM) decoding.
• Subcode Processing: Handles subcode data extraction (for track/time information).
• Low Jitter: Designed to minimize timing jitter for stable audio output.
• Compatibility: Works with standard CD-DA (Compact Disc Digital Audio) formats.

This IC was commonly used in mid-to-high-end CD players during its production period. For exact pin configurations and application circuits, refer to the official SANYO datasheet.