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TDA8842H from PHI,Philips

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TDA8842H

Manufacturer: PHI, PHILIPS

I2C-bus controlled PAL/NTSC/SECAM TV processors
Partnumber Manufacturer Quantity Availability
TDA8842H PHI, PHILIPS 566 In Stock

Description and Introduction

I2C-bus controlled PAL/NTSC/SECAM TV processors The TDA8842H is a microcontroller manufactured by PHILIPS (now NXP Semiconductors). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** PHILIPS (NXP Semiconductors)  
- **Type:** Microcontroller for TV applications  
- **Package:** DIP (Dual In-line Package) or other standard IC packaging  
- **Operating Voltage:** Typically 5V or 8V (exact range may vary)  
- **Function:** Combines video, audio, and deflection processing in a single IC  
- **Processing Capabilities:** Handles PAL/SECAM/NTSC color decoding  

### **Descriptions:**  
- The TDA8842H is designed for television sets, integrating multiple functions such as video processing, sound processing, and deflection control.  
- It supports multiple TV standards (PAL, SECAM, NTSC) for global compatibility.  
- Often used in CRT-based TV systems for signal processing and control.  

### **Features:**  
- Integrated video IF amplifier  
- Automatic color system detection (PAL/SECAM/NTSC)  
- Built-in sound demodulator (FM/NICAM)  
- Horizontal and vertical deflection processing  
- On-chip micro-controller interface for system control  
- I²C bus control for communication with other ICs  

For exact electrical characteristics and pin configurations, refer to the official PHILIPS/NXP datasheet.

Application Scenarios & Design Considerations

I2C-bus controlled PAL/NTSC/SECAM TV processors

Alternative Part Number

  • TDA8841H --: Same TDA884x I2C TV signal processor family with nearly identical pinout and functionality; closest drop-in substitute when the 8842 variant is unavailable.
  • TDA8843H --: Sibling device in the same TDA884x series with compatible pinout and I2C control; higher feature variant that is generally backward compatible in TV chassis designs.
  • TDA8844H --: Another member of the TDA884x family sharing the same package and core architecture; usable as a functional replacement with minor firmware/configuration checks.
  • TDA8842 --: Same TDA884x TV signal processor family from the original Philips/NXP lineage; the non-H variant is the closest functional match and is widely available as a drop-in for many chassis.
  • TDA8841 --: Sister device in the same TDA884x series with nearly identical pinout and I2C control; usable when the application does not require the specific feature set of the 8842.
  • TDA8843 --: Higher-feature member of the same TDA884x family, sharing package and control interface; can substitute in designs tolerant of the extended feature set.

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