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TDA3856

Manufacturer: PHILIPS

Quasi-split sound processor for all standards

Partnumber Manufacturer Quantity Availability
TDA3856 PHILIPS 590 In Stock

Description and Introduction

Quasi-split sound processor for all standards The TDA3856 is a monolithic integrated circuit (IC) designed for use in television and video applications. Below are the factual details about its manufacturer, specifications, descriptions, and features:

### **Manufacturer:**  
The TDA3856 was manufactured by **Philips Semiconductors** (now part of **NXP Semiconductors**).  

### **Specifications:**  
- **Function:** Video processor (combines luminance and chrominance processing).  
- **Package:** Typically available in a **DIP (Dual In-line Package)** or **SO (Small Outline)** package.  
- **Supply Voltage:** Operates at a nominal **12V DC** supply.  
- **Power Consumption:** Low power consumption suitable for TV applications.  
- **Inputs:** Accepts composite video signals (CVBS) or separate luminance (Y) and chrominance (C) signals.  
- **Outputs:** Provides processed video signals for further stages in TV circuits.  

### **Descriptions:**  
- The TDA3856 is a video processor IC used in analog TV receivers for luminance and chrominance signal processing.  
- It includes functions such as **luminance delay, chroma bandpass filtering, and sync processing**.  
- Designed for PAL and NTSC color systems.  

### **Features:**  
- Integrated luminance and chrominance processing.  
- Built-in sync separator for horizontal and vertical synchronization.  
- Includes a chroma bandpass filter for color signal extraction.  
- Low external component count for simplified circuit design.  
- Suitable for use in TV sets, VCRs, and video monitors.  

This information is based on the original datasheet and technical documentation from Philips/NXP.

Application Scenarios & Design Considerations

Quasi-split sound processor for all standards

Alternative Part Number

  • TDA3857 --: Same TDA385x family from the original manufacturer, with closely matching IF/demodulator function and pinout, making it the most direct drop-in candidate.
  • LA7566 --: Comparable TV IF/demodulator IC from a different series and vendor, offering similar signal-processing functionality for replacement designs.
  • TA1268 --: Alternative IF/demodulator IC from a distinct series, suitable as a functional substitute when the original TDA part is unavailable.
  • TA1262 --: Alternative IF/demodulator IC with similar signal-processing role; different naming and manufacturer, suitable when the original part is unavailable.

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