Low power DisplayPort to VGA adapter
PTN3355
Low power DisplayPort to VGA adapter with integrated 1 : 2 VGA switch
Rev. 3.1 — 4 November 2016
Product data...
Description
PTN3355
Low power DisplayPort to VGA adapter with integrated 1 : 2 VGA switch
Rev. 3.1 — 4 November 2016
Product data sheet
1. General description
PTN3355 is a DisplayPort to VGA adapter with an integrated 1 : 2 VGA switch optimized primarily for motherboard applications, to convert a DisplayPort signal from the chip set to an analog video signal that directly connects to the VGA connector. PTN3355 integrates a DisplayPort receiver, a high-speed triple video digital-to-analog converter and 1 : 2 VGA switch that supports a wide range of display resolutions, for example, VGA to WUXGA (see Table 9). PTN3355 supports either one or two DisplayPort lanes operating at either 2.7 Gbit/s or 1.62 Gbit/s per lane.
PTN3355 supports I2C-bus over AUX per DisplayPort standard (Ref. 1), and bridges the VESA DDC channel to the DisplayPort Interface.
PTN3355 is powered from a 3.3 V power supply and consumes approximately 200 mW of power for video streaming in WUXGA resolution and 410 W of power in Low-power mode. The VGA output is powered down when there is no valid DisplayPort source data being transmitted. PTN3355 also aids in monitor detection by performing load sensing on RGB lines and reporting sink connection status to the source.
2. Features and benefits
2.1 VESA-compliant DisplayPort converter
Main Link: 1-lane and 2-lane modes supported HBR (High Bit Rate) at 2.7 Gbit/s per lane RBR (Reduced Bit Rate) at 1.62 Gbit/s per lane BER (Bit Error Rate) better than 109 Display...
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