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HM226A Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM226A
Description  touch control ASIC supports 6-channel touch input
PDF  7 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM226A Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM226A Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM226A Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM226A Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM226A Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM226A Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM226A Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM226A Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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规格书
5. 应用电路
图
2 典型应用电路
注意:
当介质材料及厚度等差异较大时,可通过调整
CMOD 与 GND 之间的 Cm 电容来调节触摸灵敏度。
电容容值越大,灵敏度越高;电容容值越小,灵敏度越低。以下数据仅供参考,具体以实际为准。
表
2 CMOD 采样电容
介质类型
CMOD采样电容
器件类型
器件参数
直接触摸金属外壳
333 NPO电容
33nF/25V
3mm 以内亚克力玻璃
103 NPO电容
10nF/25V
3-6mm 亚克力玻璃
203 NPO电容
20nF/25V
6-10mm 亚克力玻璃
473 NPO电容
47nF/25V



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