产品详细信息

Function Reclocker Power consumption (mW) 365 Data rate (Max) (Gbps) 2.97 Control interface Pin, SMBus Operating temperature range (C) -40 to 85
Function Reclocker Power consumption (mW) 365 Data rate (Max) (Gbps) 2.97 Control interface Pin, SMBus Operating temperature range (C) -40 to 85
HTSSOP (PWP) 20 42 mm² 6.5 x 6.4 WQFN (NHZ) 24 20 mm² 5 x 4
  • 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
  • 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
  • LVCMOS Control Inputs and Indicator Outputs
  • 20-Pin HTSSOP or 24-Pin WQFN Package
  • Industrial Temperature Range: -40°C to +85°C
  • Footprint Compatible With the LMH0046 and LMH0026 (HTSSOP Package)

All trademarks are the property of their respective owners.

  • 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
  • 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
  • LVCMOS Control Inputs and Indicator Outputs
  • 20-Pin HTSSOP or 24-Pin WQFN Package
  • Industrial Temperature Range: -40°C to +85°C
  • Footprint Compatible With the LMH0046 and LMH0026 (HTSSOP Package)

All trademarks are the property of their respective owners.

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 operates 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.

The LMH0346 automatically detects the incoming data rate and adjusts itself to retime the incoming data to suppress accumulated 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 serial clock outputs are suitable for driving 100Ω differentially terminated networks. The control logic inputs and outputs are LVCMOS compatible.

The LMH0346 is powered from a single 3.3V supply. Power dissipation is typically 370 mW.

The device is available in two space-saving packages: a 6.5 X 4.4 mm 20-pin HTSSOP and an even more space–efficient 5 X 4 mm 24-pin WQFN package.

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 operates 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.

The LMH0346 automatically detects the incoming data rate and adjusts itself to retime the incoming data to suppress accumulated 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 serial clock outputs are suitable for driving 100Ω differentially terminated networks. The control logic inputs and outputs are LVCMOS compatible.

The LMH0346 is powered from a single 3.3V supply. Power dissipation is typically 370 mW.

The device is available in two space-saving packages: a 6.5 X 4.4 mm 20-pin HTSSOP and an even more space–efficient 5 X 4 mm 24-pin WQFN package.

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技术文档

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类型 标题 下载最新的英文版本 日期
* 数据表 LMH0346 3 Gbps HD/SD SDI Reclocker with Dual Differential Outputs 数据表 (Rev. J) 2013年 4月 15日
选择指南 Broadcast and Professional Video Interface Solutions (Rev. E) 2017年 4月 5日
应用手册 AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A) 2013年 4月 26日
应用手册 AN-1977 LMH0346 Customization with SMBus (Rev. A) 2013年 4月 26日
应用手册 AN-2004 Replacing the CLC016 Reclocker with the LMH0026 (Rev. A) 2013年 4月 26日
应用手册 AN-2145 Power Considerations for SDI Products (Rev. B) 2013年 4月 26日
应用手册 AN-2146 Power Design for SDI and other Noise Sensitive Devices (Rev. A) 2013年 4月 26日
用户指南 SD3GDAEVK User Guide 2013年 4月 5日
应用手册 TI SDI 传输方案 2012年 10月 25日
设计指南 适用于 Xilinx FPGA 的模拟器件 解决方案指南 2012年 4月 24日
用户指南 3 Gbps HD SD SDI Reclocker with Dual Differential Outputs Eval Bd User Guide 2012年 1月 26日
应用手册 High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems 2009年 11月 12日
应用手册 Reference Clock Loop Through Application 2009年 1月 16日
设计指南 Broadcast Video Owner's Manual 2006年 11月 17日

设计与开发

有关其他条款或所需资源,请点击下面的任何链接来查看详情页面。

评估板

SD3GDAEVK — SD3GDAEVK 评估板

The SD3GDAEVK is an evaluation board designed to demonstrate the performance and capabilities of the LMH0344 SDI cable equalizer, LMH0346 SDI reclocker, and LMH0302 SDI cable driver. The devices are configured on the board to function as a distribution amplifier. The LMH0344 cable equalizer (...)

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数量限制: 2
仿真工具

PSPICE-FOR-TI — PSPICE® for TI design and simulation tool

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用,包括业内超大的模型库之一,涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库,您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案,然后再进行布局和制造,可缩短产品上市时间并降低开发成本。 

在 PSpice for TI 设计和仿真工具中,您可以搜索 TI (...)
仿真工具

TINA-TI — 基于 SPICE 的模拟仿真程序

TINA-TI 提供了 SPICE 所有的传统直流、瞬态和频域分析以及更多。TINA 具有广泛的后处理功能,允许您按照希望的方式设置结果的格式。虚拟仪器允许您选择输入波形、探针电路节点电压和波形。TINA 的原理图捕获非常直观 - 真正的“快速入门”。

TINA-TI 安装需要大约 500MB。直接安装,如果想卸载也很容易。我们相信您肯定会爱不释手。

TINA 是德州仪器 (TI) 专有的 DesignSoft 产品。该免费版本具有完整的功能,但不支持完整版 TINA 所提供的某些其他功能。

如需获取可用 TINA-TI 模型的完整列表,请参阅:SpiceRack - 完整列表 

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原理图

SD346EVK User Files

SNLC007.ZIP (891 KB)
封装 引脚 下载
HTSSOP (PWP) 20 了解详情
WQFN (NHZ) 24 了解详情

订购与质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/FIT 估算
  • 材料成分
  • 认证摘要
  • 持续可靠性监测

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