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 sensor that integrates both
the AD conversion chip and the human body detection sensor within an
electromagnetic shielding housing. The human detection sensor transmits
the sensed human body movement signal to the AD chip, which outputs
16-bit digital signals through processes such as acquisition and
filtering. Relevant functions are then realized via the microcontroller
in the peripheral circuit.
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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