TDA6111Q/N4,112

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Linear - Amplifiers - Video Amps and Modules

The TDA6111Q/N4,112 is a high-performance integrated circuit intended for use in video applications. This IC contains an amplifier and a filter, thus providing a complete solution for video amplification. It is designed for direct interfacing with composite video signals, with the ability to process industrial, professional, or consumer video signals. Its high gain and fast turn-on response time make it suitable for all video applications requiring fast visual responses and high contrast ratio, such as telephones, video cameras, and video monitors.

Features and Applications

The TDA6111Q/N4,112 is designed to provide a high-quality video signal with low distortion, low noise and wide dynamic range. It supports a wide range of video formats including NTSC, PAL, S-Video and Component, making it suitable for a wide range of video applications. It has a low-power consumption, making it especially suitable for portable and battery-operated applications. It is also ESD protected, making it highly reliable and durable even in extreme applications.

The electrodes of this IC are connected by eight independent external video circuits, allowing adjustment of video signal gain and offset level. In addition, the TDA6111Q/N4,112 is designed to directly operate the EEPROM, allowing the device to be programmed with user-defined parameters. The device also offers an adjustable component video filter and a built-in crystal oscillator for horizontal synchronization.

The TDA6111Q/N4,112 is suitable for a wide range of video applications, such as: industrial control, security systems, medical imaging, video broadcasting, set-top boxes, digital TV and monitors, CCTV and video conference systems.

Working Principle

The TDA6111Q/N4,112 utilizes two linear amplifiers and a high-linearity filter to provide a superior video signal. The first amplifier, labeled LA1 is a wide-band amplifier. It amplifies both the luminance and the chrominance signal with a gain of up to 60dB. The second amplifier, labeled as LA2, is a narrow-band amplifier, designed to limit distortion and noise on the video signal. This amplifier is designed to amplify the chrominance signal with a maximum gain of 18dB.

The integrated filter is designed to attenuate unwanted noise and frequency components present in the signal, while retaining the desired video signal. The video signal is then further amplified by the LA2 amplifier before being output to the video signal output.

The TDA6111Q/N4,112 is also equipped with an EEPROM, which allows the device to be programmed with user-defined parameters. These parameters include gain, offset level and frequency response. In addition, the device is also equipped with a crystal oscillator for horizontal synchronization.

Conclusion

The TDA6111Q/N4,112 is a high-performance integrated circuit intended for use in video applications. It is designed to provide a high-quality video signal with low distortion, low noise and wide dynamic range. It supports a wide range of video formats and is suitable for a wide range of video applications. It is equipped with an EEPROM and a built-in crystal oscillator, allowing the device to be programmed with user-defined parameters. The TDA6111Q/N4,112 is also ESD protected, making it highly reliable and durable even in extreme applications.

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