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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
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
最大工作供电电压 3.6V
最大LIN总线电压 -
支持协议 DVB-ASI,SMPTE
数据速率 3Gbps
LIN 规格 -
最小LIN总线电压 -
LIN总线唤醒功能 -
最小工作供电电压 3V
调节器电压 -
内置选项 -
4.1mm(Max)
4.1mm(Max)
750μm(Max)
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,卷带包装

LMH0303SQ/NOPB厂商介绍

Texas Instruments(简称TI),是一家总部位于美国德克萨斯州达拉斯的全球性半导体设计与制造公司,成立于1930年。TI是全球领先的模拟技术、数字信号处理和微控制器(MCU)领域的供应商。

主营产品分类:
1. 模拟产品:包括电源管理、信号链和接口产品,广泛应用于工业、汽车、医疗等领域。
2. 嵌入式处理:包括微控制器(MCU)、数字信号处理器(DSP)和处理器,广泛应用于消费电子、工业控制、汽车电子等领域。
3. 无线产品:包括无线通信模块和解决方案,应用于物联网、智能城市、智能家居等领域。
4. 计算器:TI也是知名的计算器制造商,拥有多款科学计算器和图形计算器产品。

应用领域:
TI的产品和技术广泛应用于通信、计算机、消费电子、汽车、工业、医疗等多个领域。

优势:
1. 技术创新:TI在模拟、嵌入式处理和无线通信领域拥有强大的研发实力和专利技术。
2. 产品多样性:TI提供广泛的产品线,满足不同客户的需求。
3. 客户支持:TI在全球设有技术支持中心,为客户提供专业的技术支持和解决方案。
4. 供应链管理:TI拥有强大的供应链管理能力,确保产品的稳定供应和交付。

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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