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LC7860KA from SANYO

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LC7860KA

Manufacturer: SANYO

Digital Signal Processor for CDP

Partnumber Manufacturer Quantity Availability
LC7860KA SANYO 2750 In Stock

Description and Introduction

Digital Signal Processor for CDP The LC7860KA is a digital signal processor (DSP) IC manufactured by SANYO. Below are its specifications, descriptions, and features based on available information:

### **Specifications:**
- **Manufacturer:** SANYO  
- **Function:** Digital Signal Processor (DSP) for CD players  
- **Package:** 80-pin QFP (Quad Flat Package)  
- **Power Supply Voltage:** Typically operates at **+5V**  
- **Operating Temperature Range:** Standard commercial range (exact values may vary)  
- **Clock Frequency:** Supports system clock inputs for CD signal processing  

### **Descriptions:**
- The LC7860KA is designed for use in **CD player systems**, providing digital signal processing functions such as **EFM (Eight-to-Fourteen Modulation) demodulation, error correction, and digital filtering**.  
- It interfaces with other CD player components, including **RF amplifiers, servo controllers, and DACs (Digital-to-Analog Converters)**.  
- The IC includes **on-board RAM** for temporary data storage during signal processing.  

### **Features:**
1. **EFM Demodulation:** Converts the 14-bit EFM signal from the CD into 8-bit digital data.  
2. **Error Correction:** Implements **CIRC (Cross-Interleaved Reed-Solomon Code)** for data accuracy.  
3. **Digital Filter:** Includes an **oversampling digital filter** for improved audio quality.  
4. **Subcode Processing:** Handles subcode information (track time, CD-TEXT, etc.).  
5. **Serial Data Output:** Provides processed digital audio data in a serial format for DACs.  
6. **Low Power Consumption:** Optimized for efficient operation in consumer electronics.  

This IC was commonly used in **SANYO-based CD players and CD-ROM drives** during its production period.  

*(Note: Exact technical details may vary; refer to the original datasheet for precise specifications.)*

Application Scenarios & Design Considerations

Digital Signal Processor for CDP

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