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LMH0346SQ PDF预览

LMH0346SQ

更新时间: 2024-11-25 05:42:23
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
16页 356K
描述
3 Gbps HD/SD SDI Reclocker with Dual Differential Outputs

LMH0346SQ 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:5 X 4 MM, LLP-24Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.05
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-XQCC-N24
JESD-609代码:e0长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:24最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC24,.16X.2,20
封装形状:RECTANGULAR封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
电源:3.3 V认证状态:Not Qualified
座面最大高度:0.8 mm子类别:Other Consumer ICs
最大压摆率:126 mA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端子面层:Tin/Lead (Sn85Pb15)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD宽度:4 mm
Base Number Matches:1

LMH0346SQ 数据手册

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November 9, 2009  
LMH0346  
3 Gbps HD/SD SDI Reclocker with Dual Differential Outputs  
General Description  
Features  
The LMH0346 3 Gbps HD/SD SDI Reclocker retimes serial  
digital video data conforming to the SMPTE 424M, SMPTE  
292M, and SMPTE 259M (C) standards. The LMH0346 op-  
erates at serial data rates of 270 Mbps, 1.483 Gbps, 1.485  
Gbps, 2.967 Gbps, and 2.97 Gbps. The LMH0346 supports  
DVB-ASI operation at 270 Mbps.  
Supports SMPTE 424M, SMPTE 292M, and SMPTE  
259M (C) serial digital video standards  
Supports 270 Mbps, 1.483 Gbps, 1.485 Gbps, 2.967  
Gbps, and 2.97 Gbps serial data rate operation  
Supports DVB-ASI at 270 Mbps  
Single 3.3V supply operation  
The LMH0346 automatically detects the incoming data rate  
and adjusts itself to retime the incoming data to suppress ac-  
cumulated jitter. The LMH0346 recovers the serial data-rate  
clock and optionally provides it as an output. The LMH0346  
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 bypass and output mute.  
The serial data inputs, outputs, and serial clock outputs are  
differential LVPECL compatible. The CML serial data and se-  
rial clock outputs are suitable for driving 100differentially  
terminated networks. The control logic inputs and outputs are  
LVCMOS compatible.  
370 mW typical power consumption  
Two differential, reclocked outputs  
Choice of second reclocked output or low-jitter,  
differential, data-rate clock output  
Single 27 MHz external crystal or reference clock input  
Manual or automatic rate select input  
SD/HD operating rate indicator output  
Lock Detect indicator output  
Output mute function for data and clock  
Auto/Manual reclocker bypass  
Differential LVPECL compatible serial data inputs and  
outputs  
The LMH0346 is powered from a single 3.3V supply. Power  
dissipation is typically 370 mW.  
LVCMOS control inputs and indicator outputs  
20-pin e-TSSOP or 24-pin LLP package  
The device is available in two space–saving packages: a 6.5  
X 4.4 mm 20-pin e-TSSOP and an even more space–efficient  
5 X 4 mm 24-pin LLP package.  
Industrial temperature range: -40°C to +85°C  
Footprint compatible with the LMH0046  
andLMH0026 (e-TSSOP package)  
Applications  
SDTV/HDTV and 3 Gbps 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  
20215001  
© 2009 National Semiconductor Corporation  
202150  
www.national.com  

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