SN761663DGKG4

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The SN761663DGKG4 is a wide bandwidth, high speed, single-ended mode video amplifier from Texas Instruments. It is a performance, high-voltage, triple-differencing amplifier designed to deliver high-definition video signals over long cable runs. It has excellent gain accuracy, low noise and distortion, low group delay, and fast settling characteristics. The SN761663DGKG4 is suitable for use in video applications such as video monitors, televisions, and video projectors.

The SN761663DGKG4 is a discrete video amplifier module with three differential video inputs and a single output. It is designed to offer wide band performance and very low group delay. The differential inputs provide excellent protection against crosstalk, noise, and distortion and the low noise input amplifiers offer high dynamic range performance. The differential inputs are matched for common mode gain and CMRR over the entire bandwidth and the output amplifier is able to drive long cables and high capacitive loads with minimal ringing.

The SN761663DGKG4 offers a wide range of features to enhance its user-friendliness and performance. The included auto-sensing amplifier automatically detects the incoming video signal polarity and adjusts its bias voltage accordingly, reducing the level of setup required for each installation. In addition, the integrated phase-lock loop ensures that the system eliminates any jitter in the video image. Other features include programmable gain, adjustable slew rate, and a full complement of status outputs.

The SN761663DGKG4 can be used in a wide range of applications, including video surveillance, as well as in medical systems and test-and-measurement instrumentation. In medical systems, it can be used to support high-resolution imaging, such as digital mammography and ultrasounds. In aerospace applications, it can be used to boost the video signals of onboard video cameras and displays. And in industrial video applications, it can be used for monitoring activities in harsh environments.

The working principle of the SN761663DGKG4 is based on a differential amplifier architecture with a differential-mode gain of +10 dB and an input common-mode gain of +9 dB. The amplifier offers a wide bandwidth of 4.5 GHz and a wide input dynamic range. The DC current draw of the device is relatively low at only 55 mA, with a power supply voltage range of 4.5 V to 16 V. The device is capable of driving up to 12 Vpp into 100 Ω over a wide frequency range.

The SN761663DGKG4 is a well-rounded video amplifier module that offers excellent performance in many applications. It has low distortion and noise, high dynamic range, and fast settling characteristics. It is also well-suited to applications that require long cable runs and high capacitive loads, as well as those that require a low current draw. Overall, the SN761663DGKG4 is a great solution for video amplifier applications.

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