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MAX14886CTL

更新时间: 2024-09-13 11:18:35
品牌 Logo 应用领域
美信 - MAXIM 转换器电平转换器复用器
页数 文件大小 规格书
10页 1072K
描述
Dual DisplayPort Graphics Multiplexer with HDMI Level Shifter

MAX14886CTL 数据手册

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19-5707; Rev 0; 12/10  
Dual DisplayPort Graphics Multiplexer  
with HDMI Level Shifter  
General Description  
Features  
The MAX14886 high-speed, low-skew, active redriver  
multiplexer is ideal for switching between outputs of  
dual-graphics systems and signal conditioning to meet  
HDMIKv.1.4 compliance up to 2.25Gbps at an external  
HDMI connector. It is used for switching between inte-  
grated (e.g., Intel or AMD) and discrete graphics (e.g.,  
NVIDIA or ATI GPU). The device is VESA DisplayPortK  
Interoperability Guideline v.1.1a-compliant (requires  
external DDC logic) and integrates seamlessly with an  
external HDMI connector on the motherboard.  
S Single +3.3V Supply  
S Meets HDMI v.1.4 Eye Mask Up to 2.25Gbps  
S Meets VESA DisplayPort Interoperability Guideline  
v.1.1a (Requires External DDC Logic)  
S Low-Power Shutdown Mode  
Active High or Active Low  
S Output Level Adjust (ADJ) for Output Back-  
Termination Without Amplitude Loss  
S Seamless Integration into Dual-Graphics Systems  
with External HDMI Connector  
The device accommodates differential inputs as low  
as 200mV and drives transition minimized differential  
signaling (TMDS ) outputs to 1000mV (typ). A precision  
DC-Coupled HDMI Outputs Mate Directly to  
HDMI Connector  
®
resistor on the output level adjust pin (ADJ) allows differ-  
entiated output back-termination resistors of 400I (typ)  
to better meet HDMI mask jitter compliance, while main-  
taining full TMDS swing requirements. The device sup-  
ports AC-(DisplayPort) or DC-(HDMI) coupling directly  
to the graphics IC and must be DC-coupled to the HDMI  
connector. In addition, the device features current back-  
flow protection at the HDMI connector and a low-power,  
active-high or active-low shutdown mode.  
AC- or DC-Coupled TMDS-Formatted Inputs  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX14886CTL+  
0NC to +70NC  
40 TQFN-EP*  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Typical Operating Circuit  
The device operates with a single +3.3V supply, is  
specified over the 0NC to +70NC commercial temperature  
range, and is available in a 5mm x 5mm, 40-pin TQFN  
package.  
3.3V  
V
= 3.3V  
AVCC  
Applications  
Dual Graphics Notebook Computers  
50  
100nF  
V
CC  
D0AP  
D0AN  
D0CP  
D0CN  
Dual Mode DisplayPort to HDMI External  
Switches or Adapters  
CKAP  
CKAN  
CKCP  
CKCN  
100nF  
MAX14886  
D0BP  
D0BN  
SEL  
EN1  
EN2  
ADJ  
CKBP  
CKBN  
3.3kΩ  
GND  
HDMI is a trademark of HDMI Licensing, LLC.  
DisplayPort is a trademark of Video Electronics Standards  
Association (VESA).  
TMDS is a registered trademark of Silicon Image, Inc.  
_______________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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