微波红外感应处理芯片

微波、红外感应处理芯片，集成多种电路，外围电路简单、功耗低，具有高输入阻抗运算放大器、双向鉴幅器等，工作电源范围为 + 3V - + 6V，用于微波、红外感应灯等设备，有 SOP8、DFN8 封装形式 • 8 引脚微波、红外感应专用芯片，外围电路简单，成本低\n\n\n\n• 静态功耗小，3V 工作电源时功耗小于 45uA，5V 工作电源时功耗小于 75uA，适合电池供电系统应用\n\n\n\n• 高输入阻抗运算放大器，可与多种传感器匹配进行信号处理\n\n\n\n• 双向鉴幅器，可有效抑制干扰 \n\n\n\n• 内置参考电压，供内部比较器和运放的参考电压\n\n\n\n• 内设延时时间定时器和封锁时间定时器，改变振荡器频率即可设定定时延时时间\n\n\n\n• 外围元器件少，只需配置第一级运放的增益和振荡器的 RC 器件就能可靠工作\n\n\n\n• 工作电源 + 3V～+6V\n\n\;

Infrared thermo-electrodynamIc chip

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特殊功能放大器

Dual 4-input NOR gate

DESCRIPTION The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.

Dual 4-input NOR gate

DESCRIPTION The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.

Dual 4-input NOR gate

DESCRIPTION The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.

Dual 4-input NOR gate

DESCRIPTION The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.

Dual 4-input NOR gate

DESCRIPTION The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.