TSL260R, TSL261R, TSL262R
INFRARED LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS049E
−SEPTEMBER
2007
APPLICATION INFORMATION
V
DD
2
TSL26xR
Sensor
1
3
R
P
= 100 kΩ
Output
NOTE A: Pullup resistor extends linear output range to near V
DD
with minimal (several millivolts typical) effect on V
DARK
; particularly useful
at low V
DD
(3 V to 5 V).
Figure 7. Pullup for Increased V
OM
5V
5V
100
Ω
5V
OP240
†
2
TSL261R
Sensor
1
15 kΩ
3
50-kΩ
Threshold
10 kΩ
2
−
8
4
4.7 kΩ
3 +
LM393
1
Output
15 kΩ
†
OPTEK part number
NOTE A: Output goes high when beam is interrupted; working distance is several inches or less. Intended for use as optical-interrupter switch
or reflective-object sensor.
Figure 8. Short-Range Optical Switch With Hysteresis
Copyright
E
2007, TAOS Inc.
r
r
The
LUMENOLOGY
r
Company
6
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
