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Date: 25th July 2011

Signal-conditioning ESD protection IC compatible with HDMI 1.3a and 1.4

NXP Semiconductors N.V. has announced the IP4786CZ32, a signal-conditioning IC compatible with HDMI 1.3a and 1.4, 340-MHz pixel clock, deep color, and HDMI Ethernet and Audio return Channel (HEAC) which provides the protection for HDMI 1.4 transmitter applications.

NXP says it is designed for home entertainment systems, such as set-top boxes, standard-definition (SD) and high-definition (HD) DVD players, Blu-ray players and A/V switches, the IP4786 features extremely low power consumption in standby mode, making it ideal for mobile applications such as portable media players, notebooks and tablets, game consoles, mobile phones, and digital camcorders and cameras.

Key features of IP4786CZ32 includes:
Transmission Line Clamping: impedance-matched 100-? differential transmission line and ESD protection for TMDS lines, with no PCB pre-compensation required
Zero-clamping buffers preventing ESD pulses from passing on to the system chip's HDMI control lines
±8 kV of ESD protection for all HDMI signals, per IEC61000-4-2, level 4
Current limiting LDO regulator provides 5-V output from an input voltage up to 6.5 V
High and low logic level voltage translation on DDC, CEC, Hot Plug and HEAC lines compensates for high resistance in external switches in HDMI sinks
Long cable support (> 700 pF/25m) through DDC buffer capacitive decoupling between system side and HDMI connector side
"Clean interface" concept requiring only a single external capacitor

Availability: Now
Price: $1.20 each for 1K units
Package: 32-pin HVQFN package (5 mm x 5 mm x 0.85 mm)

For more details visit: www.nxp.com


 
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