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Intersil 飞行时间 (ToF) 信号处理器 ISL29501
The ISL29501 is a Time of Flight (ToF) based signal processing integrated circuit. The sensor enables low cost, low power and long range optical distance sensing when combined with an external emitter and detector.
The ISL29501 has a built-in current DAC circuit that drives an external LED or laser. The modulated light from the emitter is reflected off the target and is received by the photodiode. The photodiode then converts the returned signal into current, which is used by the ISL29501 for signal processing.
产品特性
集成 DSP 计算 ToF,实现接近检测和距离测量
4.5MHz 调制频率,避免干扰其它电子产品
发射端 DAC,可编程电流高达 255mA
操作在连续模式和单发射模式
片上触发环境光抑制
自动增益控制机制
中断控制器
供电电压范围:2.7V ~ 3.3V
I2C 接口支持 1.8V 和 3.3V 总线
24 引脚 4mm x 5mm QFN 封装
应用领域
典型应用