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This ultrasonic presence sensor operates on 3.3–5.0 V DC with UART Auto/Controlled, PWM Auto/Controlled, and switching outputs. It detects humans over 28–450 cm with a 0–28 cm blind zone, ±(1+S×0.3%) cm temperature-compensated accuracy, <10 µA quiescent current, and <10 mA operating current. With ESD protection and -15–60°C operation, it suits smart automation, presence detection, and human sensing.
Note:
A: This ultrasonic presence sensor operates on 3.3 to 5.0 V DC, with an absolute range of 3.3 to 5.25 V and a typical voltage of 5.0 V. Its quiescent current is <10 µA, operating current is <10 mA, and peak current can reach 25 to 50 mA. Peak input ripple should stay ≤50 mV, and peak input noise should stay ≤100 mV for stable operation.
A: This ultrasonic presence sensor is designed for human detection with a range of 28 to 450 cm and a blind zone of 0 to 28 cm. That means reliable human presence detection starts beyond 28 cm. For best performance, keep the person or target outside the 28 cm blind zone and within 450 cm.
A: Yes. This ultrasonic presence sensor operates from -15 to 60 °C, with a typical operating temperature of 25 °C, and supports up to ≤80% RH operating humidity (typical 65% RH). Storage range is -25 to 75 °C with ≤90% RH. The notes also specify that at 0–39 °C, max RH is 90% non-condensing; at 40–50 °C, the max RH follows the highest natural RH at the current temperature.
