This document details the Analog Devices ADPD188BI smoke detection sensor, covering its performance standards, operational principles, chamber design, and…
The ADPD188BI is a smoke detection sensor engineered to meet UL 217/UL 268 and EN 54/EN 14604 specifications. It utilizes dual wavelengths (blue and IR) to differentiate between smoke sources and nuisance events like steam or dust. The sensor is precalibrated by the manufacturer, eliminating the need for user calibration, and features an optimized optical design to minimize background noise and dust effects.
| Operating Temperature | 38 °C |
|---|---|
| LED Light Degradation | <20% |
| Predicted Lifetime | 20 years |
| Chamber Dimensions | 30 mm × 36 mm × 11.4 mm |
| Microcontroller Requirement | 32-bit Arm Cortex-M0 |
No, user calibration is not required because the manufacturer precalibrates the devices at room temperature.
Dust can shift the DC level, but this effect can be removed using a long-term averaging filter as long as the DC level remains below the alarm threshold.
Yes, the chamber must be designed so that the DC level is similar to or less than the alarm threshold levels to ensure proper operation.