IP4776CZ38構(gòu)成的HDMI接口技術(shù)

本文介紹了IP4776CZ38主要特性和優(yōu)勢, 功能方框圖, HDMI發(fā)送器和接收器應(yīng)用框圖以及PCB布局方案框圖.

NXP公司的IP4776CZ38是全集成的HDMI接口器件,集成了電平轉(zhuǎn)移,ESD和背驅(qū)保護等功能. IP4776CZ38和HDMI 1.3兼容,每路的線電容僅為0.7pF,線間隔和0.5mm匹配,提供可用于DDC時鐘和數(shù)據(jù)通路的雙向電平轉(zhuǎn)移N溝FET, ESD保護±8 kV,主要用在TV,圖像卡,STB,DVD,數(shù)字媒體適配器和游戲控制臺.

IP4776CZ38主要特性和優(yōu)勢:

Pb-free and RoHS compliant, Dark Green

Integrated high-level ESD protection, level shifting and backdrive protection

All TMDS lines with integrated rail-to-rail clamping diodes with downstream ESD protection of ±8 kV according to IEC 61000-4-2, level 4 standard

Matched 0.5 mm trace spacing

Bidirectional level shifting N-channel FETs provided for DDC clock and data channels

TMDS lines with ≤ 0.05 pF matching of capacitance between the TMDS pairs

Ultra low line capacitance of 0.7 pF per channel

HDMI 1.3 compliant

Backdrive protection

38-pin TSSOP lead-free package

IP4776CZ38應(yīng)用:

The IP4776CZ38 is designed for HDMI receiver and transmitter port protection, level
shifting and backdrive protection e.g.:

TV

Graphics card

Set-top box

DVD

Digital media adapter

Game console

圖1.IP4776CZ38功能方框圖

圖2.IP4776CZ38的熱插拔,電平轉(zhuǎn)移和背驅(qū)保護框圖

圖3.IP4776CZ38 HDMI發(fā)送器應(yīng)用框圖

圖4.IP4776CZ38 HDMI接收器應(yīng)用框圖

圖5.IP4776CZ38 PCB布局方案框圖