SN761685PW

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The SN761685PW integrated circuit (IC) is a digital-to-analog converter (DAC) used in various video processing applications to generate digital video waveforms by converting serial data input from Numerically-Controlled Oscillator (NCO) and Timing Circuit (TC) outputs. This IC is also capable of driving video output waveforms up to HDTV resolutions. It is designed for video processing applications requiring a low voltage and high-speed analog output waveform. Because of its low voltage and high speed, the SN761685PW is often used for LCD, plasma and LED displays, as well as other video-processing applications.

The SN761685PW IC is based on a 5-stage R-2R ladder architecture with an integrated input buffer, level shifter and digital filter. The IC also includes three multiplexers and a voltage reference. This device supports input data widths of 8 to 28 bits and output data formats of 8, 10 and 12 bits. The SN761685PW’s digital inputs are transferred in serial stream fashion and the digital filter is configurable to accept mode 0, 1 or 2 input data. It can also accept data at various frequencies ranging from 2 to 400 MHz.

The R-2R ladder is the primary component of the SN761685PW and is responsible for encoding the digital input data into analog output signals. The inputs to this ladder are a series of switches, each representing a sample of a digital input stream. The SN761685PW contains a voltage reference input and a DAC output, enabling fast and accurate video waveform generation. The 5-stage R-2R ladder is also implemented with a differential amplifier, low noise and low jitter characteristics.

The SN761685PW features an advanced NCO and TC outputs to generate the frequency and phase for the desired video waveform. An integrated phase-lock loop compensates for the frequency drift of the NCO, ensuring a stable waveform output. The NCO output is also configurable and can be set to an output frequency between 2 and 400 MHz. Additionally, the NCO supports adjustable amplitude, frequency and phase as well as a variety of phase-locked loop (PLL) ranges.

The SN761685PW’s TC output is also configurable and can generate various digital timing waveforms. These waveforms include horizontal blanking, vertical blanking and audio signals, as well as drive the display devices. Also, the SN761685PW can be used for high-accuracy, low-noise video waveform generation by adjusting its output parameters to obtain a desired output voltage.

The SN761685PW IC is also capable of generating a variety of video signals including PAL, NTSC, HDTV, RGB and YCbCr. It can also be used for LCD, plasma and LED displays as well as a variety of other video-processing applications. The IC can also be used for driving VGA, DVI and HDMI video signals.

The SN761685PW IC is a versatile and powerful tool for digital video processing applications. It is capable of providing high-accuracy, low-noise video waveforms and can be used for driving various video displays. Its unique and powerful combination of R-2R ladder, NCO and TC outputs makes it an ideal solution for video processing applications.

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