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ADPD188BI - complete photometric

Description

3.8 mm × 5.0 mm × 0.9 mm module with integrated optical components 1 blue LED, 1 IR LED, and 2 photodiodes 2 external inputs for other sensors (for example, carbon monoxide (CO) and temperature) Three 370 mA LED drivers 20-bit burst accumulator enabling 20 bits per sample period On-board sample to

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Data Sheet Integrated Optical Module for Smoke Detection ADPD188BI FEATURES GENERAL DESCRIPTION 3.8 mm × 5.0 mm × 0.9 mm module with integrated optical components 1 blue LED, 1 IR LED, and 2 photodiodes 2 external inputs for other sensors (for example, carbon monoxide (CO) and temperature) Three 370 mA LED drivers 20-bit burst accumulator enabling 20 bits per sample period On-board sample to sample accumulator enabling up to 27 bits per data read Optimized SNR for signal limited cases I2C or SPI communications APPLICATIONS Smoke detection The ADPD188BI is a complete photometric system for smoke detection using optical dual wavelength technology. The module integrates a highly efficient photometric front end, two light emitting diodes (LEDs), and two photodiodes (PDs).
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