双元探测器,大小与格式,基于高温陶瓷两元素。
信号:数字信号处理技术将数字值转换为数字值。
Parameter Symbol Min. Typ. Max. Unit
Remarks
Operating Voltage VDD 2.5 3.3 3.6 V
Supply Current IDD 3 μA VDD =
3V, no load
Input Low Voltage VSIL 0.2VDD V
Input High Voltage VSIH 0.8VDD
V
Input Current ISI -1 +1 μA VSS < VIN < VDD
Data Clock Low Time tSL
200 2000 ns
Data Clock High Time tSH 200 2000 ns
Data In Hold Time tSHD 70
μs
Data Load Time tSLT 550 μs
DIRECT LINK
Input Low Voltage VDIL 0.2VDD
V
Input High Voltage VDIH 0.8VDD V
Input Current IDI -1 +1 μA
Data
Setup Time tDS 110 150 μs
Data Clock Low Time 1 tDL 200 2000 ns
Data Clock
High Time 1 tDH 200 2000 ns
Sample Time tSMPL 2.0 14.6 ms (3 … 512) /
fCLK
Bit Time 1 tBIT 23 μs
ADC Resolution 2 14 Bits Max Count = 214
-1
PIR ADC Sensitivity 6.5 μV/Count
Sensitivity of TAMB 2 80
Counts/K
Counts at 300K (27 degrees C) 5500 6400 7400 Counts
Sensitivity
of VDD measurement 650 μV/Count
Output Range 2^13
2^14
–
511
Counts
LPF cutoff frequency f1 7 Hz
HPF cutoff frequency f2
0.44 Hz
Internal Clock Frequency fCLK 32 kHz