PROD Model: YS312K
Window Size: 3*4mm
Output Signal:Digital signal output
Sensing Distance: 10M (lens SB-F-02)
See lens selection for different distances
Sensing Angle: 120° (horizontal direction)
Working Voltage: 2.2-5.5V
Static Power Consumption: <20uA
Recommended Supporting IC: customized microcontroller
The YS312K is a pyroelectric infrared (PIR) sensor developed by Senba Sensing. The YS312K detects human body motion and outputs 16-bit digital signals for processing by peripheral microcontrollers. The YS312K provides stable detection performance and is suitable for typical indoor environments. The YS312K is commonly used in motion-activated lighting, security alarm systems, smart home devices, sensor lamps, and other automatic control applications.
16-bit digital signal output
Single-wire serial data
Low power consumption
1.Absolute Maximum Ratings
Electrical characteristics(beyond those listed below may cause permanent damage to the device. Exposure to absolute maximum ratings may affect the device reliability.
| Parameter | Symbol | Min | Max | Unit | Remarks |
| Operating Temp | TST | -30 | 70 | ℃ | |
| Current into any pin | Into | -100 | 100 | mA | |
| Storage Temp | TST | -40 | 80 | ℃ |
2. Operating Conditions (T=25°C, Vdd=3V，unless stated otherwise)
| Parameter | Symbol | Min | Type | Max | Unit | Remarks |
| Regular voltage | VDD | 2.2 | 3.3 | 5.5 | V | |
| Supply current | IDD | 5 | 10 | 20 | μA | |
| ADC resolution | VSENS | 16 | μV | |||
| Detective Wavelength | λ | 8 | 14 | um | ||
| LPF cutoff frequency | 7 | Hz | ||||
| HPF cutoff frequency | 0.44 | Hz |
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