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参数资料
| 型号： | MAX3845UCQ+TD |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/19页 |
| 文件大小： | 0K |
| 描述： | IC SW/CBL DRVR DVI/HDMI 100TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 类型： | HDMI/DVI 开关 |
| 应用： | HDMI，DVI，接收器 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-TQFP 裸露焊盘 |
| 供应商设备封装： | 100-TQFP-EP（14x14） |
| 包装： | 带卷 (TR) |
General Description
The MAX3845 is a TMDS 2-to-4 fanout switch and
cable driver for multimonitor distribution of DVI or
HDMI signaling up to 1.65Gbps. Both inputs and out-
puts are standard TMDS signaling as per DVI and HDMI
standards. Because TMDS links are “point-to-point,”
buffering is required for fanout applications.
Four DVI/HDMI TMDS outputs are provided for fanout
distribution. Each TMDS output can be independently
sourced from either input or can be turned off. Each
TMDS input or output is composed of four differential
channels that can be arbitrarily assigned to the three
data signals and the 1/10th-rate clock. The data rate
depends on resolution, but it can vary from 250Mbps
(VGA) to 1.65Gbps (UXGA or 1080p/60).
Typical applications include multiroom display of the
same video source or industrial/commercial signage
applications such as airport monitors or trading room
floor displays. The MAX3845 includes selectable output
preemphasis that extends output cable reach up to an
additional 7m.
For DDC switching, use the companion MAX4814E 2:4
low-resistance CMOS crosspoint switch. DDC switching
is not required for applications that connect DDC to one
reference monitor only.
The MAX3845 can be configured to create a 2 x 8 or
4 x 4 switch (see the
Typical Operating Circuit diagrams).
The MAX3845 is available in a 14mm
× 14mm, 100-pin
TQFP-EP package and operates over the -10
°C to
+85
°C temperature range.
Applications
Digital Signage and Industrial Display
PC Monitor Distribution
Home A/V Receivers
DVI/HDMI Distribution Amplifiers
DVI/HDMI Crosspoint Switches
Features
o Two DVI/HDMI TMDS-Compatible Inputs and Four
DVI/HDMI TMDS-Compatible Outputs
o Save Power by Turning Off Unused Outputs
o Each Output Independently Selects Input 1 or
Input 2
o Three Preemphasis Settings Extend Cable Reach
Up to 7m
o Operation Up to 1.65Gbps
o 14mm x 14mm, 100-Pin TQFP Package with
Exposed Paddle for Heat Sinking
o 3.3V Power Supply
o TMDS Data (x3) and Clock (x1) Can Be Arbitrarily
Assigned to the Four Identical Switched Paths (A,
B, C, and D)
MAX3845
DVI/HDMI 2:4 TMDS Fanout Switch and
Cable Driver
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-0798; Rev 0; 4/07
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.
+
Denotes a lead-free package.
EP = Exposed pad.
Typical Operating Circuits continued at end of data sheet.
TMDS is a registered trademark of Silicon Image, Inc.
DVI is a trademark of Digital Display Working Group.
HDMI is a trademark of HDMI Licensing, LLC.
EVALUATION
KIT
AVAILABLE
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE PIN-PACKAGE
PKG
CODE
MAX3845UCQ+
-10
°C to +85°C 100 TQFP-EP
C100E-3
MAX3845
2:4 FANOUT/SWITCH APPLICATION
IN_SEL[1:4]
HOTPLUG[1:4]
PREEMPH[1:4]
CONTROL
SIGNALS
VIDEO SOURCE 1
VIDEO SOURCE 2
OUTPUT TO DISPLAY 2
OUTPUT TO DISPLAY 1
OUTPUT TO DISPLAY 3
OUTPUT TO DISPLAY 4
2:4 CMOS
SWITCH x5
BUFFER
2:4 DVI/HDMI TMDS
FANOUT SWITCH AND
CABLE DRIVER
DDC DATA, DDC CLK,
HOTPLUG, 5V, GND, (CEC)
Typical Operating Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX384C/D | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX384CPN | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX384CWN | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX384CWN+ | 功能描述:多路器开关 IC 4:1 2Ch Low Voltage MUX RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| MAX384CWN+T | 功能描述:多路器开关 IC 4:1 2Ch Low Voltage MUX RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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