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TDA8757 - Triple 8-bit ADC 170 Msps

Description

The TDA8757 is a triple 8-bit ADC for the digitizing of large bandwidth RGB/YUV signals at a sampling rate up to 170 Msps.

The IC supports display resolutions up to 1600 × 1200 (UXGA) at 60 Hz.

Features

  • s Triple 8-bit ADC s Sampling rate up to 170 Msps s IC controllable by a serial interface which can be I2C-bus or 3W-bus, selected by a TTL input pin s Three clamps for programming a clamping code from.
  • 63.5 to +64 in steps of 1⁄ LSB (RGB) and from +120 to +136 in steps of 1⁄ LSB (YUV) 2 2 s Three controllable amplifiers: gain controlled by the serial interface to produce a full-scale resolution of 1⁄2 LSB peak-to-peak s Amplifier bandwidth of 250 MHz s Low gain variation with temperature.

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Full PDF Text Transcription

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TDA8757 Triple 8-bit ADC 170 Msps Rev. 07 — 28 February 2002 Preliminary data 1. General description The TDA8757 is a triple 8-bit ADC for the digitizing of large bandwidth RGB/YUV signals at a sampling rate up to 170 Msps. The IC supports display resolutions up to 1600 × 1200 (UXGA) at 60 Hz. The IC also includes a PLL that can be locked to the horizontal line frequency and generates the ADC clock. The PLL jitter is minimized for high resolution PC graphics applications. An external clock signal can also be used to clock the ADC. The outputs are available either on one port up to 110 Msps or on two ports up to 170 Msps. The operating mode is selectable with the serial interface to for either I2C-bus or 3-wire serial bus (3W-bus) operation.
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