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LC7868KE

Digital Signal Processor for Compact Disk Players

Partnumber Manufacturer Quantity Availability
LC7868KE 300 In Stock

Description and Introduction

Digital Signal Processor for Compact Disk Players The LC7868KE is a digital signal processor (DSP) IC manufactured by Sanyo. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** Sanyo (now part of ON Semiconductor)  
- **Type:** Digital Signal Processor (DSP)  
- **Package:** 64-pin QFP (Quad Flat Package)  
- **Power Supply Voltage:** 5V (typical)  
- **Operating Temperature Range:** -10°C to +70°C  
- **Application:** Primarily used in CD players and digital audio systems for signal processing.  

### **Descriptions:**  
- The LC7868KE is a DSP chip designed for digital audio processing, particularly in CD players.  
- It performs functions such as EFM (Eight-to-Fourteen Modulation) demodulation, error correction (CIRC), and digital filtering.  
- It interfaces with other CD player components like servo controllers, DACs (Digital-to-Analog Converters), and microcontrollers.  

### **Features:**  
- **EFM Demodulation:** Converts the 14-bit EFM signal from the CD into 8-bit digital audio data.  
- **Error Correction:** Uses Cross-Interleaved Reed-Solomon Code (CIRC) for accurate data recovery.  
- **Digital Filtering:** Includes built-in digital filters for improved audio quality.  
- **Subcode Processing:** Handles subcode data (track information, time, etc.) from CDs.  
- **Low Power Consumption:** Optimized for 5V operation in consumer electronics.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Digital Signal Processor for Compact Disk Players
Partnumber Manufacturer Quantity Availability
LC7868KE SANYO 10000 In Stock

Description and Introduction

Digital Signal Processor for Compact Disk Players The LC7868KE is a digital signal processor (DSP) IC manufactured by SANYO. Below are the factual specifications, descriptions, and features based on available knowledge:

### **Specifications:**  
- **Manufacturer:** SANYO  
- **Type:** Digital Signal Processor (DSP)  
- **Package:** 64-pin QFP (Quad Flat Package)  
- **Power Supply Voltage:** Typically operates at **5V**  
- **Operating Temperature Range:** Standard industrial range (exact values not specified in Ic-phoenix technical data files)  
- **Primary Application:** Used in CD and DVD players for digital signal processing, including error correction and servo control.  

### **Descriptions:**  
- The LC7868KE is designed for digital audio processing, particularly in optical disc playback systems.  
- It integrates functions such as EFM (Eight-to-Fourteen Modulation) demodulation, error correction (CIRC), and servo control signal generation.  
- Supports digital filtering and interpolation for improved audio quality.  

### **Features:**  
- **EFM Demodulation:** Converts the 14-bit EFM signal from the disc into 8-bit data.  
- **Error Correction:** Implements Cross-Interleaved Reed-Solomon Code (CIRC) for data accuracy.  
- **Digital Filter:** Includes built-in oversampling digital filter for improved audio output.  
- **Servo Control:** Generates tracking and focus servo signals for disc drive mechanisms.  
- **Low Power Consumption:** Optimized for efficient operation in consumer electronics.  

This information is based on the known technical details of the LC7868KE from SANYO. For exact datasheet parameters, refer to official documentation.

Application Scenarios & Design Considerations

Digital Signal Processor for Compact Disk Players

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