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SUPSiC GAQV1123S
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SUPSi C GAQV1123S
- Type
- SUPSIC
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SUPSIC
- Electronic Component
- GAQV1123S
- Electronic Component
- 1
- Package
- SOP-4-175mil-2.54mm
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0.3g
- Electronic Component
- 1
- Electronic Component
- BM0258761872
- Operating Temperature
- 40℃~+85℃
- Load Voltage
- 12V
- Type
- DC
- Output Current
- 8uA
- Output Type
- Photodiode
- (Pd)
- 75mW
- Output Channel Count
- 1
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GAQV1123S 产品概述
一、产品简介
GAQV1123S 是国晶微半导体（SUPSiC）出品的一款单通道光电二极管型光耦合器，输入为直流驱动的发光二极管（LED），输出为光电二极管形式的光电流信号。器件具有高达2.5kVrms的隔离耐压、工作温度范围为-40℃至+85℃，封装为 SOP-4（175mil，2.54mm 间距），适合在工业级环境中提供可靠的电气隔离和信号传输。
二、主要电气参数
- 发光二极管正向压降 Vf（典型）：1.4V
- 发光二极管最大正向电流 If：20mA
- 输出光电流（典型）：8μA
- 输出光电二极管直流反向耐压 Vr：5V（请勿超过此反向偏压）
- 允许负载电压：12V（输出侧供电或上拉电阻限制）
- 隔离耐压：2.5kVrms
- 通道数：1 通道
- 工作温度范围：-40℃ ~ +85℃
三、关键特性与优势
- 高隔离电压，适用于需要隔离保护与信号完整性的场合；
- 输出为光电二极管，提供电流模式输出，便于与高阻抗输入或电流检测级配合；
- 小巧的 SOP-4 封装，便于表面贴装与标准 PCB 布局；
- 宽工作温度范围，适合工业级应用。
四、典型应用场景
- 信号隔离：单端数字/模拟信号隔离，消除地环路干扰；
- 传感器接口：与高阻抗模数转换器或放大器配合，用于微安级光电流检测；
- 工业控制与测量：低速控制信号隔离、仪表隔离等；
- 低功耗系统中作为隔离式光电检测元件。
五、典型电路与使用建议
- 驱动侧：按 If 选取限流电阻 R = (Vcc驱动 - Vf) / If，例如 5V 驱动、If 取 10mA，则 R ≈ (5V-1.4V)/10mA ≈ 360Ω。若需更长寿命或降低发热可选用较低 If。
- 输出侧：光电二极管输出为电流源型，需要外置上拉电阻或跨接运放将电流转换为电压。输出侧上拉电压不可超过 12V，上拉给光电二极管反向偏压时请勿超过 Vr = 5V。
- 若需提高灵敏度或带宽，可使用跨接放大器（跨阻放大器）将微安级电流转换为更易处理的电压信号。
六、封装与布局注意事项
- SOP-4（175mil）封装适合常规贴装工艺；布线时保持输入/输出端的爬电距离与端面间隙以满足隔离等级要求；
- 输出侧若接高阻抗输入，应在 PCB 上预留测试点，便于测量微小电流/电压；
- 避免在高温环境下长期满载 If 工作，以延长器件寿命并降低漂移。
七、选型与替代建议
- 若系统需要更大输出电流或直接驱动逻辑电平，建议选用光电晶体管型或带集成放大器的隔离器；
- 若需更高隔离电压或更高速响应，可比较其他具有更高 Vrms 或更短响应时间的器件型号；
- 关注输出电流（8μA）与系统输入阻抗匹配，必要时配置跨阻放大器以提高信噪比。
结论：GAQV1123S 适合用于需要电气隔离且输出为微安级光电流的场合，封装紧凑、耐压等级高。合理选择驱动电流、输出偏置与后端电路，可在工业与仪表类产品中实现稳定可靠的隔离信号传输。
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