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HCPL-073A-000E 产品描述
这款器件为超低功耗双通道高增益光电耦合器,为采用 SO-8 封装单通道 HCPL-070A 的双通道产品,每个通道输入驱动电流可以低至 40 mA,典型电流传输比 (CTR, Current Transfer Ratio) 为 3500%。
高增益系列光电耦合器使用 AlGaAs LED 和集成高增益光检测器提供输入和输出间的极高电流传输比,光二极管和输出级电路的独立引脚带来 TTL 电平兼容饱和电压和高速运作,在需要时 Vcc 和 Vo 引脚可以相互连接取得传统光达灵顿操作,基极接入引脚则可带来增益带宽的调整。
产品主要面向 CMOS、LSTTL 和低功耗应用设计,低功耗特性特别适合 ISDN 电话接口和电池操作应用,在 40mA LED电流、Vcc >= 3 V和 0°C 到 70°C 条件下最低 CTR 为 700%。
采用标准 SOIC-8 封装的表面贴装器件占用空间只有标准 DIP 封装的 1/3 ,引脚设计兼容表面贴装生产程序。
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