Date: 28/05/2009

Industry's first DisplayPort to VGA adapter IC

NXP Semiconductor has released a new IC PTN3392, which can convert the video output available in DisplayPort format into VGA output. NXP claims, this is first time such IC is available in the market and is already deployed by a major ODM for its global notebook customers.

DisplayPort is gaining popularity and is available in latest computers. DisplayPort is growing fast due its ability of offering high-bandwidth, plug-and-play digital interconnect for high-resolution digital monitors.

This chips from NXP is aimed at allowing computer manufacturers to connect new DisplayPort-equipped laptop and desktop computers to existing displays.


"DisplayPort enables consumers to enjoy easy connection for high quality video through higher transmitting bandwidth and yet smaller interface space," said Grahame Cooney, Director of Marketing, Interface Products, NXP Semiconductors. "In direct response to customer needs, NXP designed the highly-integrated, flash-based DisplayPort to VGA adapter IC, PTN3392. With the highest integration levels, PTN3392 enables effortless connection between DisplayPort and VGA, yet frees up space for motherboard to drive down the bill of materials cost significantly."


CJ Huang, VP of Marketing of WPI, the distributor of this NXP devices said "We recognize the demand of a flexible, cost effective and high performance DisplayPort adapter IC for the notebook industry and have experienced how NXP's DP to HDMI solution fastened the time to market for the notebook ODMs. With the expansion of its support to VGA market, we believe NXP will bring consumers more choices for high-quality visual experiences."


The PTN3392 integrates DisplayPort receiver and a high-speed DAC, supporting display resolutions from VGA up to WUXGA. PTN3392 is typically powered from the DP connector and operate without any additional voltage regulators with all internal voltages and power is integrated on-chip from the DP connector's single 3.3 V power supply. The PTN3392 supports up to two DisplayPort lanes operating at either 2.7 Gbps or 1.62 Gbps per lane, and can drive up to 1 meter of analog video cable at full performance.


Other key features of PTN3392:
Analog video output - Triple 8-bit Digital-to-Analog - Converter (DAC) - VSYNC and HSYNC outputs - Up to 240 MHz pixel clock
Auxiliary (AUX) channel - Supports I²C over AUX - Supports MCCS, DDC-CI and DDC protocols
Monitor presence detect
Supports low power mode
Embedded Flash for flexibility and quick and easy firmware updates
Overall power dissipation is less than 800 mW
Supports all display resolutions from VGA to WUXGA including: WUXGA, UXGA, SXGA, XGA, and VGA

Package: 48-pin HVQFN package
Availability: Samples in Q3 09

Visitors to the event Computex Taipei to be held on 2 June 09 can have a look at the demonstration of this product.