Parade Technologies: HDMI™ 1.3a/1.4a / DVI Level Shifter

Product Summary

Parade Technologies HDMI™ 1.3a/1.4a/DVI level shifter product.

Product main features

Converts AC-coupled HDMI™ or DVI signals to DC-coupled HDMI™ or DVI signals (PS8121E)
Signal voltage level shifter (PS8171) for HDMI™ or DVI digital video interface applications
Compliant with HDMI™ 1.4a specification, up to 2.25Gbps data rate (PS8121E)
Compliant with HDMI™ 1.3a specification, up to 2.25Gbps per lane (PS8171)

Product lineup

PS8121E

A fully integrated AC to DC level shifter designed for HDMI™ and DVI transmission applications. This device is designed for a variety of applications and is ideal for DisplayPort™ level-shifting cable adapter (or "dongle") devices. Can be configured exclusively as a dual-mode DisplayPort™ to HDMI™ cable adapter or a dual-mode DisplayPort™ to DVI cable adapter. It consumes only 500mW of power and can be powered directly from the DisplayPort™ input connection, eliminating the need for any other external power supply.

■ Features & block diagram

・Converts AC-coupled HDMI™ or DVI signals to DC-coupled HDMI™ or DVI signals
・Ideal for dual-mode DisplayPort™ to HDMI™ /DVI cable adapter products
- Pin-selectable HDMI™ or DVI mode (DDC address 0x80 provides HDMI ID)
・Compliant with DisplayPort™ interoperability guidelines
・Compliant with HDMI™ 1.4a specification, up to 2.25Gbps data rate
・Low power consumption of 500mW allows power to be supplied only from DisplayPort™ connection
・Compensate for PCB and/or connector losses in the input signal path
Programmable receiver equalization adjustment
-Integrated 50Ω input termination
・Low intra-pair and inter-pair skew
Built-in bidirectional DDC active buffer with 5V tolerant interface
- Pin configurable or I2C control options for increased flexibility and configuration
・3.3V single power supply
・48-pin 7x7mm QFN RoHS package
・Operating temperature range: 0°C to 70°C
・ESD: 8kV (HBM)

■ Target applications

・Dual Mode DisplayPort™ to HDMI™ Cable Adapter
・Dual Mode DisplayPort™ to DVI Cable Adapter
・Format conversion on PC motherboard or graphics card
・Format conversion in notebook PC docking station
・AC/DC converter PHY for embedded HDMI™/DVI transmitter
・DVD player
・Set-top Box

PS8171

Signal voltage level shifter for HDMI™ or DVI digital video interface applications. Designed for use within source systems that utilize low-voltage, AC-coupled HDMI™ or DVI transmitters. Converts an AC-coupled HDMI™ /DVI signal to a DC-coupled output compatible with HDMI™ /DVI video standards.

■ Features & block diagram

・Compliant with HDMI™ 1.3a specification, up to 2.25Gbps per lane
・Input equalizer compensates for PCB, cable, and connector losses
・Unique EMI reduction function for HDMI™ /DVI
・DDC signal processing with active buffer or passive switch options
・Low power consumption and automatic power down
・3.3V single power supply
・48-pin 7x7mm QFN package, RoHS compliant, halogen-free
・Operating temperature: 0℃~85℃
・ESD: 8kV(HBM), 400V MM, 2kV CDM