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CAT5409 是四数字 POT,集成了控制逻辑和 16 字节的 NVRAM 内存。一个单独的 6 位控制寄存器 (WCR) 独立控制每个数字 POT 的弧刷抽头位置。与每个弧刷控制寄存器相关联的是四个 6 位非易失性内存数据寄存器 (DR),用于存储最多四个弧刷设置。通过 2 线串行总线(类似 I²C)写入弧刷控制寄存器或任何非易失性数据寄存器。加电时,四个电位计中的每个电位计的第一个数据寄存器 (DR0) 的内容会自动加载到其各自的弧刷控制寄存器 (WCR) 中。写保护 (WP) 引脚可防止对数据寄存器意外编程。CAT5409 可用作电位计或双端可变电阻器。它适用于各种应用中的电路电平或系统电平调整。
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CAT5409YI-00-T2
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CAT5409YI-10-T2
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CAT5409YI-25-T2
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CAT5409YI-50-T2
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