Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
HGSEMI LM567M/TR LM567M
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
16
specifications
Core information
- Product name
- HGSEMI LM567M / TR
- Type
- HGSEMI
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HGSEMI
- Electronic Component
- LM567M/TR
- Electronic Component
- 1
- Package
- SOIC-8
- Electronic Component
- Audio Interface IC
- Electronic Component
- 0.19g
- Electronic Component
- 1
- Electronic Component
- BM0264336341
- Operating Temperature
- 0℃~+70℃
- Operating Voltage
- 4.75V~9V
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM567M/TR 产品概述
一、产品简介
LM567M/TR（华冠 HGSEMI）是一款通用型音调解码器（tone decoder），封装为 SOIC-8，提供卷带（Tape & Reel）出货选项。器件内部集成电压控制振荡器（VCO）及 I、Q 检测器，能在输入信号接近设定中心频率时将输出晶体管饱和拉到地，从而实现可靠的有/无信号检测与窄带滤波解码功能。适用于音频、遥控、频率识别及窄带信号检测等场景。
二、主要电气参数
- 工作电压：4.75V ~ 9V，适配常见单电源供电系统。
- 工作温度：0℃ ~ +70℃（商业级温度范围）。
- 封装：SOIC-8，便于表面贴装与自动贴片装配。
- 输出类型：饱和晶体管开关输出，低电平导通至地，便于与后级逻辑或继电器驱动接口。
三、功能特性
- 中心频率由外部电容与电阻设置，VCO 确定解码器中心频率，便于灵活调整。常用经验公式（近似）为 f0 ≈ 1 / (1.1 × R × C)，可根据具体电路微调。
- 内置 I 与 Q 检测器，实现相位相关的窄带检出，提高对特定频率成分的选择性和噪声抗扰能力。
- 带宽可调：通过外接元件改变检测器的击穿带宽，以适应不同的信号环境。
- 输出驱动能力足以驱动指示灯或驱动器件的输入级，且易于与开集电极/开漏逻辑接口匹配。
四、典型应用
- 远程控制与键控解码（DTMF/音调识别辅助）
- 音频频率检测、窄带信号识别
- 无线遥控接收端的音频滤波与解码
- 频率监测、报警触发模块
- 低成本频率选择与同步电路
五、设计注意事项
- 中心频率精度与稳定性依赖外部 R、C 的公差与温漂，建议使用低温漂元件并进行必要的温度补偿或校准。
- 输出为饱和晶体管形式，若需驱动高电平负载，应配置合适的上拉电阻并注意功耗。
- 在高噪声环境中，输入端需做好滤波与屏蔽，避免误触发。
- 请参阅器件数据手册中的典型应用电路和布局建议，以确保 VCO 与检测器性能最优化。
六、封装与订购信息
本型号由华冠（HGSEMI）生产，封装为 SOIC-8，型号后缀 M/TR 指示卷带盘装（适用于自动化贴片生产）。适合批量采购与SMT生产线直接使用。
如需更详细的电气特性曲线、典型应用电路或选型支持，可提供具体中心频率与应用场景，我可帮助计算外接 R、C 值并给出参考电路。
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