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LMH0046

更新时间： 2024-02-17 01:39:53
品牌 Logo 应用领域
美国国家半导体 - NSC 时钟
页数 文件大小 规格书
10页 561K
描述
HD/SD Multi-Rate Serial Digital Video Data Reclocker

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中文翻译

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LMH0046 技术参数

生命周期：Transferred包装说明：TSSOP,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.27商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：R-PDSO-G20长度：6.5 mm
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：Not Qualified座面最大高度：1.1 mm
最大供电电压 (Vsup)：3.465 V最小供电电压 (Vsup)：3.135 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
Base Number Matches：1

LMH0046 数据手册

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PRELIMINARY  
April 2006  
LMH0046  
HD/SD Multi-Rate Serial Digital Video Data Reclocker  
General Description  
Features  
n Supports SMPTE 259M (A & C) and SMPTE 292M  
serial digital video standards  
The LMH0046 HD/SD Multi-Rate Serial Digital Video Data  
Reclocker is a monolithic integrated circuit that retimes bit-  
serial digital video data conforming to the SMPTE 259M (A &  
C) and SMPTE 292M standards. The LMH0046 operates at  
serial data rates of 143 Mbps, 270 Mbps, 1.483 Gbps and  
1.485 Gbps. The LMH0046 supports DVB-ASI operation at  
270 Mbps.  
n Supports 143 Mbps, 270 Mbps, 1.483 Gbps, and 1.485  
Gbps serial data rate operation  
n Supports DVB-ASI at 270 Mbps  
n Single 3.3V supply operation  
n 330 mW typical power consumption  
n Two differential, reclocked outputs  
n Choice of second reclocked output or low-jitter,  
differential, data-rate clock output  
n Single 27 MHz external crystal or reference clock input  
n Manual rate select input  
n SD/HD operating rate indicator output  
n Lock Detect indicator output  
n Output mute function for data and clock  
n Auto/Manual reclocker bypass  
The LMH0046 automatically detects the incoming data rate  
and adjusts itself to retime the incoming data to suppress  
accumulated jitter. The LMH0046 recovers the serial data-  
rate clock and optionally provides it as an output. The  
LMH0046 has two differential serial data outputs; the second  
output may be selected as a low-jitter, data-rate clock output.  
Controls and indicators are: serial clock or second serial  
data output select, manual rate select input, SD/HD rate  
indicator output, lock detect output, auto/manual data by-  
pass and output mute. The serial data inputs, outputs, and  
serial data-rate clock outputs are differential LVPECL com-  
patible. The CML serial data and serial data-rate clock out-  
puts are suitable for driving 100Ω differentially terminated  
networks. The control logic inputs and outputs are LVCMOS  
compatible.  
n Differential LVPECL compatible serial data inputs and  
outputs  
n LVCMOS control inputs and indicator outputs  
n 20-Pin TSSOP package  
n Industrial temperature range: -40˚C to +85˚C  
The LMH0046 is powered from a single 3.3V supply. Power  
dissipation is typically 330 mW. The device is housed in a  
20-pin TSSOP package.  
Applications  
n SDTV/HDTV serial digital video interfaces for:  
— Digital video routers and switchers  
— Digital video processing and editing equipment  
— DVB-ASI equipment  
— Video standards and format converters  
Typical Application  
20182601  
© 2006 National Semiconductor Corporation  
DS201826  
www.national.com  
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中文翻译

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