- 制造厂商:TI
- 产品类别:接口
- 技术类目:串行数字接口 (SDI) IC
- 功能描述:具有电缆检测功能的 3G HD/SD SDI 电缆驱动器
- 点击这里打开及下载LMH0303的技术文档资料
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The LMH0303 device is designed for use in ST 424, ST 292, ST 344, and ST 259 serial digital video applications. The LMH0303 drives 75-Ω transmission lines (Belden 1694A, Belden 8281, or equivalent) at data rates up to 2.97 Gbps.
The LMH0303 includes intelligent sensing capabilities to improve system diagnostics. The cable detect feature senses near-end termination to determine if a cable is correctly attached to the output BNC. Input loss of signal (LOS) detects the presence of a valid signal at the input of the cable driver. These sensing features may be used to alert the user of a system fault and activate a deep power-save mode, reducing the power consumption of the cable driver to 4 mW. These features are accessible through an SMBus interface.
The LMH0303 provides two selectable slew rates for ST 259 and ST 424 or 292. The output amplitude is adjustable ±10% in 5-mV steps through the SMBus.
The LMH0303 is powered from a single 3.3-V supply. Power consumption is typically 130 mW in SD mode and 155 mW in HD mode. The LMH0303 is available in a 16-pin WQFN package.
- Supports ST 424 (3G), 292 (HD), and 259 (SD)
- Data Rates up to 2.97 Gbps
- Supports DVB-ASI at 270 Mbps
- Cable Detect on Output
- Loss of Signal Detect at Input
- Output Driver Power-Down Control
- Typical Power Consumption: 130 mW in SD Mode and 155 mW in HD Mode
- Typical Power Consumption of the Power-Save Mode: 4 mW
- Single 3.3-V Supply Operation
- 75-Ω Single-Ended Outputs
- 100-Ω Differential Input
- Selectable Slew Rate
- Industrial Temperature Range: –40°C to 85°C
- 16-Pin WQFN Package
- Footprint Compatible With the LMH0302
- Function
- Cable driver
- Power consumption (mW)
- 155
- Data rate (Max) (Gbps)
- 2.97
- Control interface
- Pin, SMBus
- Operating temperature range (C)
- -40 to 85
LMH0303的完整型号有:LMH0303SQ/NOPB、LMH0303SQE/NOPB,以下是这些产品的关键参数及官网采购报价:
LMH0303SQ/NOPB,工作温度:-40 to 85,封装:WQFN (RUM)-16,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMH0303SQ/NOPB的批量USD价格:3.33(1000+)
LMH0303SQE/NOPB,工作温度:-40 to 85,封装:WQFN (RUM)-16,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMH0303SQE/NOPB的批量USD价格:3.33(1000+)
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