HOA1889 Datasheet, PDF (3/4 Pages) Honeywell Solid State Electronics Center – Dual Channel Transmissive Sensor

Infrared Assemblies
Dual Channel Transmissive Sensor
HOA1889 Series
SCHEMATIC
4
5
3
6
2
7
1
8
Figure 1: IRED Forward Bias Characteristics
Figure 2: Non-saturated Switching Time vs Load
Resistance
100
90
Pulsed
80
condition
70
60
T_A = 80 °C
50
40
30
T_A = 25 °C
20
T_A = -40 °C
10
0
0.8 1.0 1.2 1.4 1.6 1.8 2.0
Forward voltage - V
1000
100
10
1
10
Photodarlington
Phototransistor
100
1000
Load resistance - Ohms
10000
Figure 3: Detector Dark Current vs Temperature Figure 4: Collector Current vs Ambient
Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-50 -25 0
25 50 75 100
Free-air temperature - °C
For application help: call 1-800-537-6945
Honeywell • Sensing and Control 3