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Time-of-flight IC.

Intersil Corporation (Milpitas, CA) has introduced the ISL29501, a time-of-flight (ToF) signal processing IC that provides a complete object detection and distance measurement solution when combined with an external emitter (LED or laser) and photodiode. Features include:

* A supply voltage range from 2.7 to 3.3 V.

* An [I.sup.2] C interface that supports 1.8 and 3.3 V bus.

* A low profile, 4x5 mm, 24-lead TOFN package.

* Programmable distance zones.

* A 4.5 MHz modulation frequency.

Why Would I Specify?

* The ISL29501 operates in single shot mode for initial object detection and approximate distance measurement, while the continuous mode improves distance accuracy.

* Active ambient light rejection minimizes or eliminates the influence of ambient light during distance measurement.

* On-chip emitter DAC with programmable current up to 255 mA allows designers to choose the desired current level to optimize distance measurement and power budget.

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Title Annotation:First Look
Publication:Product Design & Development
Date:Nov 1, 2015
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