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ISL29501-ST-EV1Z データシート(PDF) 1 Page - Intersil Corporation |
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ISL29501-ST-EV1Z データシート(HTML) 1 Page - Intersil Corporation |
1 / 23 page 1 DATASHEET Time of Flight (ToF) Signal Processing IC 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. An on-chip Digital Signal Processor (DSP) calculates the time of flight, which is proportional to the target distance. The ISL29501 is equipped with an I2C interface for configuration and control. Use of an external photodiode and emitter allows the user to optimize the system design for performance, power consumption and distance measurement range that suit their industrial design. The ISL29501 is wavelength agnostic and permits the use of other optical wavelengths if better suited for applications. Features • Enables proximity detection and distance measurement • Modulation frequency of 4.5MHz • Emitter DAC with programmable current up to 255mA • Operates in continuous and single shot mode • On-chip active ambient light rejection • Auto gain control mechanism • Interrupt controller • Supply voltage range of 2.7V to 3.3V •I2C interface supporting 1.8V and 3.3V bus •Low profile 24 Ld 4x5 QFN package Applications • Mobile consumer applications • Industrial proximity sensing • Power management • Home automation Related Literature • UG054, “ISL29501 Evaluation Software User Guide” • UG055, “ISL29501-ST-EV1Z Sand Tiger User Guide” • UG081, “ISL29501-CSEVKIT1Z Cat Shark User Guide” • AN1966, “ISL29501 Sand Tiger Optics Application Note” • AN1917, “ISL29501 Layout Design Guide” FIGURE 1. APPLICATION DIAGRAM IR LED PD C2 C1 C3 R1 R2 R3 HOST MCU R4 C4 2.7V TO 3.3V SS AVSS DVSS DVCC PDp PDn AVCC RSET CEn SCL SDA EVCC EIR EVSS IRQ VOUT A1 A2 AVDD 2.7V TO 3.3V 2.7V TO 3.3V R4 R5 June 29, 2016 FN8681.3 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2015, 2016. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
同様の部品番号 - ISL29501-ST-EV1Z |
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同様の説明 - ISL29501-ST-EV1Z |
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