IP4776CZ38构成的HDMI接口技术

本文介绍了IP4776CZ38主要特性和优势, 功能方框图, HDMI发送器和接收器应用框图以及PCB布局方案框图.

NXP公司的IP4776CZ38是全集成的HDMI接口器件,集成了电平转移,ESD和背驱保护等功能. IP4776CZ38和HDMI 1.3兼容,每路的线电容仅为0.7pF,线间隔和0.5mm匹配,提供可用于DDC时钟和数据通路的双向电平转移N沟FET, ESD保护±8 kV,主要用在TV,图像卡,STB,DVD,数字媒体适配器和游戏控制台.

IP4776CZ38主要特性和优势:

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应用:

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

图1.IP4776CZ38功能方框图

图2.IP4776CZ38的热插拔,电平转移和背驱保护框图

图3.IP4776CZ38 HDMI发送器应用框图

图4.IP4776CZ38 HDMI接收器应用框图

图5.IP4776CZ38 PCB布局方案框图