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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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EPC600 데이터시트(PDF) 1 Page - Espros Photonics corp |
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EPC600 데이터시트(HTML) 1 Page - Espros Photonics corp |
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1 / 30 page  DATASHEET – epc600 Time-of-flight range-finder chip General Description The epc600 chip is a general purpose, monolithic, fully integrated photoelectric CMOS device for optical distance measurement and object detection. Its working principle is based on the three-dimen- sional (3D) time-of-flight (TOF) measurement. The system-on-chip (SOC) contains: ■ A full data acquisition path with the driver for the LED, the photo- receiver, the signal conditioning, the A/D converter and the signal processing. ■ An on-chip controller managing the data acquisition and the data communication. ■ A 2-wire interface for the command and data communication. ■ A supply-voltage power management unit. Together with a tiny microprocessor and few external components, a fully functional TOF range-finder can be built. The working principle is based on the elapsed time-of-flight (TOF) of a photon (modulated light) emitted by the transmitter (LED) and reflected back by the object to the photosensitive receiver. The very high photosensitivity allows operating ranges up to sever- al meters and an accuracy down to a centimeter depending on the lens and the illumination power. Features ■ Complete data acquisition system for distance measurement or object detection on chip. Allows for minimum part count designs. ■ On-chip high power LED driver. ■ Easy to use operation in combination with a tiny microprocessor. ■ Absolute distance measurement with digital data output. ■ Integrated signal-processing. ■ High sensitivity and resolution for measured distances up to 15m. ■ Response time of less than 1ms possible. ■ Digital data output with 12 bit distance data. ■ Excellent ambient-light suppression up to >100kLux. ■ Integrated ambient-light meter (“Luxmeter”) e.g. for brightness control or dimmer functions. ■ Voltage supply with low power consumption. ■ Easy to use 2-wire interface with simple command set. ■ Fully SMD-compatible flip-chip CSP24 package with very small footprint. Possible Applications ■ Light barrier with powerful ambient-light suppression ■ People and object counting sensor ■ Door opening and safety sensor ■ Limit and proximity switch ■ Machine control and safety sensor ■ Water tap and toilet flushing sensor ■ Single spot parking sensor ■ Distance measurement gauge Functional Block Diagram Controller Correlator Phase shifter Signal- processing LED driver Modulator Voltage regulator 2-wire serial interface RAM EEPROM CX1 CX2 XTAL VDD 8.5V SCLK SDATA LED A D VDDBS -5.0V Figure 1: epc600 on-chip data acquisition system for range-finders © 2014 ESPROS Photonics Corporation Characteristics subject to change without notice 1 / 30 Datasheet epc600 - V1.3 www.espros.ch |
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