2、3、4键触摸开关芯片

SD8224C是一款电容式按键触摸及接近感应开关控制芯片，替代传统机械结构开关。产品采用 CMOS工艺制造，内置 LDO，结构性能稳定，功耗低，通过引脚可配置多种输出模式。\n 芯片最多可支持 4 通道输入检测并对应输出， 广泛应用于智能家居、益智玩具、灯光控制等 DC 类产品中，实现产品智能化。

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首鼎

触摸芯片

Shouding

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Dual-Tone Receiver IC

OVERVIEW The SM8224B is a receiver and decoder that supports the Bellcore TR-NWT-000030 and SR-TSV-002476 standards calling number identification (caller ID) and call waiting dual-tone signals. It has separate caller ID signal and call waiting signal inputs, which allows the gain for each input t

文件：108.92 Kbytes 页数：11 Pages

NPC

Dual-Tone Receiver IC

OVERVIEW The SM8224B is a receiver and decoder that supports the Bellcore TR-NWT-000030 and SR-TSV-002476 standards calling number identification (caller ID) and call waiting dual-tone signals. It has separate caller ID signal and call waiting signal inputs, which allows the gain for each input t

文件：108.92 Kbytes 页数：11 Pages

NPC

Dual-Tone Receiver IC

OVERVIEW The SM8224B is a receiver and decoder that supports the Bellcore TR-NWT-000030 and SR-TSV-002476 standards calling number identification (caller ID) and call waiting dual-tone signals. It has separate caller ID signal and call waiting signal inputs, which allows the gain for each input t

文件：108.92 Kbytes 页数：11 Pages

NPC