TSL260R, TSL261R, TSL262R
INFRARED LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS049E −SEPTEMBER 2007
4
r
r
Copyright E 2007, TAOS Inc.
The LUMENOLOGY r Company
www.taosinc.com
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
TEST CIRCUIT
Input
E
e
10%
90%
Output
(see Note B)
t
r
TSL26xR
R
L
V
DD
2
1
3
+
−
Output
Pulse
Generator
LED
(see Note A)
t
f
90%
10%
NOTES: A. The input irradiance is supplied by a pulsed GaAs light-emitting diode with the following characteristics: λ
p
= 940 nm,
t
r
< 1 μs, t
f
< 1 μs.
B. The output waveform is monitored on an oscilloscope with the following characteristics: t
r
< 100 ns, Z
i
≥ 1 MΩ, C
i
≤ 20 pF.
Figure 1. Switching Times
TYPICAL CHARACTERISTICS
0.4
0
Normalized Output Voltage
1
0.8
0.6
0.2
θ − Angular Displacement
TSL260R
80° 60° 40° 20° 0° 80°60°40°20°
Optical Axis
NORMALIZED OUTPUT VOLTAGE
vs
ANGULAR DISPLACEMENT
V −
O
Figure 2
TSL262R
TSL261R
