HOA1404 Datasheet, PDF (3/4 Pages) Honeywell Accelerometers – Reflective Sensor

HOA1404
Reflective Sensor
Fig. 1 IRED Forward Bias Characteristics
gra_073.ds4
100
90
80
Pulsed
70
condition
60
T_A = 80°C
50
40 T_A = 25°C
30
20
T_A = -40°C
10
0
0.8 1.0 1.2 1.4 1.6 1.8 2.0
Forward voltage - V
Fig. 3 Dark Current vs
Temperature
gra_303.cdr
Fig. 5 Collector Current vs
Distance to Reflective Surface
gra_088.ds4
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
I_F = 30 mA
0.2
V_CE = 5.0 V
0.1
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Distance to reflective surface - inches
All Performance Curves Show Typical Values
Fig. 2 Non-Saturated Switching Time vs
Load Resistance
1000
gra_079.ds4
100
10
1
10
Photodarlington
Phototransistor
100
1000
Load resistance - Ohms
10000
Fig. 4 Collector Current vs
Ambient Temperature
1.2
gra_076.ds4
1.0
0.8
0.6
0.4
0.2
0.0
-50 -25 0 25 50 75 100
Free-air temperature - °C
Fig. 6 Collector Current vs
IRED Forward Current
1.8
gra_089.ds4
1.6
1.4
1.2
1.0
0.8
0.6
V_CE = 5 V
d = 0.2 in.
0.4
0.2
0.0
0
10
20
30
40
50
IRED forward current - mA
250
h
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