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OPA521IRGWT

产品分类: 运算放大器
厂牌: TEXAS INSTRUMENTS
产品描述: 51mA 75V/μs 3.82MHz 92dB 关闭 Single-Ended 2.5A 1 1 24V 800KHz General Purpose VQFN-20 贴片安装,黏合安装
供应商型号: OPA521IRGWT
供应商: 国内现货
标准整包数: 1000
TEXAS INSTRUMENTS 运算放大器 OPA521IRGWT

OPA521IRGWT概述

    Product Introduction
    The OPA521 is a 2.5-A narrowband line driver designed specifically for power-line communication (PLC) applications. It supports standards such as CENELEC Bands A, B, C, and D, as well as ARIB STD-T84 and FCC regulations. The device is ideal for environments requiring high current output and precision, including power quality meters, merchant network and server power supply units, lighting systems, solar arc protection, and central inverters.
    The OPA521 excels in its ability to drive reactive loads with its high-current, low-impedance capabilities. Its robust thermal and overcurrent protection makes it suitable for demanding applications.
    Technical Parameters
    Below are the key technical specifications of the OPA521:
    - Supply Voltage: 7 V to 24 V
    - Continuous Output Current: Up to ±1.9 A
    - Closed-Loop Gain: Fixed at –7 V/V
    - Bandwidth: 3.8 MHz
    - Slew Rate: 75 V/µs
    - Noise:
    - CENELEC A: 45 µVRMS
    - CENELEC B: 32 µVRMS
    - CENELEC C: 23 µVRMS
    - CENELEC D: 16.5 µVRMS
    - ARIB STD-T84: 114 µVRMS
    - FCC-Low: 55 µVRMS
    - Power Supply Rejection Ratio (PSRR): 80 dB to 94 dB
    - Thermal Shutdown: Triggers at 140°C (hysteresis: 10°C)
    Product Features and Advantages
    The OPA521 offers several distinct features that make it a competitive choice in its market segment:
    1. High Reliability: Optimized for PLC communication standards, ensuring compliance with EN50065-1 through EN50065-7, FCC Part 15, and ARIB STD-T84.
    2. Intelligent Protection: Built-in thermal and overcurrent protection minimizes component count and simplifies system design.
    3. Pin-Selectable Current Consumption: Users can choose between standby (58 µA typical) and active modes optimized for different standards (CENELEC Bands: 51 mA; FCC/ARIB: 78 mA).
    4. High Accuracy: Closed-loop gain accuracy of –7 V/V with negligible gain drift across temperatures (±5 ppm/°C).
    5. Wide Operating Range: Operates in environments from –40°C to +125°C.
    6. Compact Design: Available in a 5 mm × 5 mm, 20-pin VQFN package with an exposed thermal pad for enhanced heat dissipation.
    These features make the OPA521 particularly advantageous in cost-sensitive and space-constrained applications where high current output and precise regulation are critical.
    Application Cases and Usage Suggestions
    The OPA521 is widely used in various PLC scenarios:
    1. Power Quality Meter: Ensures accurate measurements by driving sensors and load resistances effectively.
    2. Merchant Network and Server PSU: Provides high current outputs to support multiple devices simultaneously.
    3. Lighting Systems: Ideal for driving LED arrays where thermal stability and overcurrent protection are essential.
    Usage Tips:
    - Ensure proper grounding to avoid EMI issues.
    - Use high-quality capacitors for filtering to maintain signal integrity.
    - When driving large capacitive loads, use the ILIM pin to prevent excessive current flow.
    Compatibility and Support
    The OPA521 exhibits excellent compatibility with other electronic components, making it versatile for integration into larger systems. Texas Instruments provides comprehensive documentation and technical support, including SPICE models and application notes. Additionally, users have access to community forums and software tools like TINA-TI to aid in design and troubleshooting.
    Common Issues and Solutions
    | Problem | Solution |

    | Overheating | Enable thermal shutdown or reduce load current |
    | Excessive Current Draw | Adjust the ILIM pin resistance to limit current |
    | Poor Signal Quality | Verify proper decoupling capacitors and check signal paths |
    Conclusion and Reco

OPA521IRGWT参数

参数
典型压摆率 75V/μs
典型增益带宽 3.82MHz
电流 - 输入偏置 -
通道数量 1
CMRR - 共模抑制比 92dB
关闭 关闭
电路数 1
放大器类型 General Purpose
典型供电电流 51mA
Vos - 输入偏置电压 -
最大工作供电电压 24V
每个通道的输出电流 2.5A
输出类型 Single-Ended
最小工作供电电压 -
典型输入噪声电压密度 -
-3db带宽 800KHz
通用封装 VQFN-20
安装方式 贴片安装,黏合安装
零件状态 在售
包装方式 卷带包装

OPA521IRGWT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。

OPA521IRGWT数据手册

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TEXAS INSTRUMENTS 运算放大器 TEXAS INSTRUMENTS OPA521IRGWT OPA521IRGWT数据手册

OPA521IRGWT封装设计

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价格梯度 中国香港交货 内地交货(含增值税)
1000+ ¥ 14.7618
2000+ ¥ 14.3865
3000+ ¥ 14.0112
库存: 7000
起订量: 1000 增量: 250
交货地:
最小起订量为:1000
合计: ¥ 14761.8
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