TSL250R, TSL251R, TSL252R
LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS028H − SEPTEMBER 2007
PARAMETER MEASUREMENT INFORMATION
V
DD
E
e
Pulse
2
Generator
Input
LED
(see Note A)
−
t
f
t
r
3
Output
+
90%
90%
R
L
TSL25xR
1
Output
(see Note B)
10%
10%
VOLTAGE WAVEFORM
TEST CIRCUIT
NOTES: A. The input irradiance is supplied by a pulsed AlInGaP light-emitting diode with the following characteristics: λ = 635 nm,
p
t < 1 μs, t < 1 μs.
r
f
B. The output waveform is monitored on an oscilloscope with the following characteristics: t < 100 ns, Z ≥ 1 MΩ, C ≤ 20 pF.
r
i
i
Figure 1. Switching Times
TYPICAL CHARACTERISTICS
NORMALIZED OUTPUT VOLTAGE
vs
ANGULAR DISPLACEMENT
1
0.8
TSL252R
TSL251R
TSL250R
0.6
0.4
0.2
0
80° 60°
40° 20°
0°
20° 40° 60°
80°
θ − Angular Displacement
Figure 2
Copyright E 2007, TAOS Inc.
The LUMENOLOGY r Company
r
r
4
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
