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| 型号： | MAX9247ETM+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/17页 |
| 文件大小： | 0K |
| 描述： | IC SERIALIZER LVDS 48-TQFN |
| 标准包装： | 50 |
| 功能： | 串行器 |
| 数据速率： | 840Mbps |
| 输入类型： | 串行 |
| 输出类型： | LVDS |
| 输入数： | 18 |
| 输出数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（6x6） |
| 包装： | 管件 |
MAX9247
27-Bit, 2.5MHz-to-42MHz
DC-Balanced LVDS Serializer
______________________________________________________________________________________
11
Transition Timing
The transition words require interconnect bandwidth
and displace control data. Therefore, control data is not
sampled (see Figure 9):
Two clock cycles before DE_IN goes high
During the video phase
Two clock cycles after DE_IN goes low
The last sampled control data are latched at the deserial-
izer control data outputs during the transition and video
phases. Video data are latched at the deserializer RGB
data outputs during the transition and control phases.
Applications Information
AC-Coupling Benefits
AC-coupling increases the common-mode voltage to
the voltage rating of the capacitor. Two capacitors are
sufficient for isolation, but four capacitors—two at the
serializer output and two at the deserializer input—pro-
vide protection if either end of the cable is shorted to a
high voltage. AC-coupling blocks low-frequency
ground shifts and common-mode noise. The MAX9247
serializer can also be DC-coupled to the MAX9248/
MAX9250 deserializers.
Figures 10 and 12 show an AC-coupled serializer and
deserializer with two capacitors per link. Figures 11 and
13 show the AC-coupled serializer and deserializer with
four capacitors per link.
Selection of AC-Coupling Capacitors
See Figure 14 for calculating the capacitor values for
AC-coupling depending on the parallel clock frequen-
cy. The plot shows capacitor values for two- and four-
capacitor-per-link systems. For applications using less
than 18MHz clock frequency, use 0.1F capacitors.
Frequency-Range Setting RNG[1:0]
The RNG[1:0] inputs select the operating frequency
range of the MAX9247 serializer. An external clock with-
in this range is required for operation. Table 3 shows
the selectable frequency ranges and corresponding
data rates for the MAX9247.
RNG1
RNG0
PARALLEL
CLOCK (MHz)
SERIAL-DATA RATE
(Mbps)
0
2.5 to 5
50 to 100
0
1
5 to10
100 to 200
1
0
10 to 20
200 to 400
1
20 to 42
400 to 840
Table 3. Parallel Clock Frequency Range
Select
Figure 9. Transition Timing
PCLK_IN
CNTL_IN
DE_IN
RGB_IN
= NOT SAMPLED BY PCLK_IN
CONTROL
PHASE
CONTROL
PHASE
TRANSITION
PHASE
TRANSITION
PHASE
VIDEO PHASE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9247ETM+ | 功能描述:串行器/解串器 - Serdes 27Bit 2.5-42MHz DC Blnc LVDS Serializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
| MAX9247ETM+T | 功能描述:串行器/解串器 - Serdes 27Bit 2.5-42MHz DC Blnc LVDS Serializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
| MAX9247EVKIT+ | 功能描述:界面开发工具 MAX9247Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX9247GCM | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
| MAX9247GCM/V | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:27-Bit, 2.5MHz-to-42MHz DC-Balanced LVDS Serializer |
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