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LMH0303SQ/NOPB

产品分类: LIN收发器
厂牌: TEXAS INSTRUMENTS
产品描述: DVB-ASI,SMPTE 3V 3.6V 3Gbps QFN 贴片安装,黏合安装 750μm(高度)
供应商型号: LMH0303SQ/NOPB
供应商: 国内现货
标准整包数: 1000
TEXAS INSTRUMENTS LIN收发器 LMH0303SQ/NOPB

LMH0303SQ/NOPB概述

    Product Introduction
    The LMH0303 is a 3-Gbps high-definition/standard-definition (HD/SD) SDI cable driver designed for professional video applications. It supports the transmission of digital video signals compliant with standards such as ST 424 (3G), ST 292 (HD), and ST 259 (SD). This device features a robust cable detection mechanism, loss of signal detection, and precise output control, making it ideal for applications like digital video routers, switchers, and distribution amplifiers.
    Technical Parameters
    - Supported Standards: ST 424 (3G), ST 292 (HD), ST 344, ST 259 (SD)
    - Data Rates: Up to 2.97 Gbps
    - DVB-ASI Compatibility: Supports 270 Mbps
    - Cable Detection: On-output detection for cable presence
    - Loss of Signal (LOS): Detects valid signal at the input
    - Power Management: Power-down control and power-saving mode (down to 4 mW)
    - Voltage Supply: Single 3.3-V supply
    - Output Impedance: 75 Ω single-ended
    - Input Impedance: 100 Ω differential
    - Slew Rate Options: Adjustable for ST 259 or ST 424/292 compliance
    - Temperature Range: Industrial (-40°C to 85°C)
    - Package Type: 16-pin WQFN, 4.00 mm x 4.00 mm
    - Weighted Junction-to-Ambient Thermal Resistance (RθJA): 40.7°C/W
    Product Features and Advantages
    The LMH0303 offers several standout features:
    1. Smart Diagnostics: Advanced sensing capabilities including cable detect and LOS, which enhance system reliability.
    2. Energy Efficiency: Power consumption is minimal (130 mW in SD mode, 155 mW in HD mode) with a deep power-save mode of just 4 mW.
    3. Versatility: Two selectable slew rates ensure compliance with various standards, while SMBus support provides flexible configuration options.
    4. Robustness: High-speed performance up to 2.97 Gbps and compatibility with common coaxial cables.
    5. Compact Design: Small footprint (16-pin WQFN) simplifies PCB layouts.
    These advantages make the LMH0303 highly competitive in markets requiring reliable, high-performance digital video transmission solutions.
    Application Case Studies and Usage Recommendations
    Application Case Study:
    The LMH0303 is commonly used in professional digital video setups. For instance, in a digital video router system:
    - The LMH0303 transmits HD/SD video signals across long distances via Belden 1694A or equivalent cables.
    - The cable detect feature ensures seamless operation by confirming the presence of a connected cable.
    - LOS detection prevents transmission of invalid signals, improving overall system stability.
    Usage Recommendations:
    - For critical applications, always enable the cable detect feature to avoid potential issues caused by unattached cables.
    - Use SMBus commands to adjust output voltage swing in 5-mV steps to optimize performance for specific cable lengths.
    - Ensure proper placement of the RREF resistor near the RREF pin to maintain impedance matching and reduce signal distortion.
    Compatibility and Support
    The LMH0303 is compatible with various digital video interfaces, including ST 424, ST 292, and ST 259. It can be seamlessly integrated into systems that utilize SMBus for communication. Texas Instruments provides comprehensive documentation, tools, and community support to assist users during development and deployment phases.
    Common Issues and Solutions
    | Issue | Solution |

    | Output voltage mismatch | Adjust RREF resistor or use SMBus interface to correct swing. |
    | Loss of signal detection failure | Verify input signal quality and check cable connections. |
    | Unexpected power consumption | Ensure ENABLE pin is set to "High" during normal operation. |
    Conclusion and Recommendation
    The LMH0303 is an excellent choice for professional digital video applications demanding high performance and reliability. Its smart diagnostics, energy efficien

LMH0303SQ/NOPB参数

参数 值
内置选项 -
最大LIN总线电压 -
LIN总线唤醒功能 -
LIN 规格 -
支持协议 DVB-ASI,SMPTE
最小LIN总线电压 -
调节器电压 -
最大工作供电电压 3.6V
数据速率 3Gbps
最小工作供电电压 3V
长*宽*高 750μm(高度)
通用封装 QFN
安装方式 贴片安装,黏合安装
应用等级 工业级
零件状态 在售
包装方式 散装,卷带装

LMH0303SQ/NOPB厂商介绍

Texas Instruments(德州仪器)是一家总部位于美国达拉斯的半导体公司,设计、制造和销售模拟及嵌入式处理芯片,产品涵盖电源管理、信号链、微控制器、处理器、传感器、接口和无线连接等类别。

在云汉芯城,用户可通过完整 MPN、产品类别或 BOM 查询 Texas Instruments 相关型号,如 TL431AIDBZR、LM358DR、LM258DR、LM1117IMPX-3.3/NOPB 等,并进一步核对 datasheet、库存、MOQ/SPQ、交期、合规文件需求和可替代型号信息。

【采购提示】型号规格请以 datasheet 为准;库存、价格、MOQ/SPQ 和交期请以实时查询、RFQ 回复或销售确认为准。

LMH0303SQ/NOPB数据手册

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TEXAS INSTRUMENTS LIN收发器 TEXAS INSTRUMENTS LMH0303SQ/NOPB LMH0303SQ/NOPB数据手册

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价格梯度 中国香港交货 内地交货(含增值税)
1000+ ¥ 35.4708
2000+ ¥ 34.569
3000+ ¥ 33.6672
库存: 40000
起订量: 1000 增量: 1000
交货地:
最小起订量为:1000
合计: ¥ 35470.8
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