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TDA9955HL データシート(PDF) 1 Page - NXP Semiconductors |
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TDA9955HL データシート(HTML) 1 Page - NXP Semiconductors |
1 / 52 page 1. General description The TDA9955HL is a triple 8-bit video converter interface. The TDA9955HL converts an RGB analog signal into a RGB or YUV (YCBCR) digital signal or converts a YUV (YPBPR) analog signal into a YUV (YCBCR) or RGB digital signal with a sampling rate up to 170 MHz. The TDA9955HL supports analog TV resolutions from 480i (720 × 480i at 60 Hz) to High-Definition TV (HDTV) (up to 1920 × 1080p at 60 Hz) and analog PC resolutions from VGA (640 × 480p at 60 Hz) to UXGA (1600 × 1200p at 60 Hz). The YUV digital output signal can be 4 :4:4 or 4:2:2 ITU-R BT.656 standard or semi-planar format following the ITU-R BT.601 standard. All settings are controlled via the I2C-bus. 2. Features I Triple 8-bit Analog-to-Digital Converter (ADC) I Three independent analog video sources, up to 170 MHz selectable via the I2C-bus I Analog composite sync slicer and recognition integrated I Frame and field detection for interlaced video signal I Video analog voltage input from 0.45 V to 0.9 V (p-p) to produce a full-scale ADC input of 1.0 V (p-p) I Three clamps for programming a 8-bit clamping code from 0 to +191 in steps of 1 LSB for RGB and YUV signals I Three video amplifiers controlled via I2C-bus to reach the full-scale resolution I Amplifier bandwidth of 100 MHz I Low gain variation with temperature I I2C-bus controlled Phase-Locked Loop (PLL) to generate the ADCs, formatter and output clocks which can be locked into a line frequency from 15 kHz to 95 kHz I Integrated PLL divider I Programmable clock phase adjustment cells I Matrix and offsets available for conversion of RGB or YUV signal coming from analog video sources into YUV or RGB I Output format RGB4:4:4, YUV4:4:4, YUV4:2:2 ITU-R BT.656 or YUV4:2:2 semi-planar standard on output bus I Integrated downsampling-by-two with selectable filters on CB and CR channels in the 4:2:2 mode I IC controlled via the I2C-bus, 5 V tolerant and bit rate up to 400 kbit/s TDA9955HL Triple 8-bit analog-to-digital video converter for HDTV Rev. 01 — 17 March 2008 Product data sheet |
同様の部品番号 - TDA9955HL |
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同様の説明 - TDA9955HL |
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