TSL250RD, TSL251RD, TSL260RD, TSL261RD
LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS050K
−
OCTOBER 2007
Dynamic Characteristics at V
DD
= 5 V, T
A
= 25
°
C, R
L
= 10 k
Ω
(unless otherwise noted) (see Figure 1)
PARAMETER
Output
pulse rise
time
Output
pulse fall
time
Output
noise
voltage
TEST
S
CONDITIONS
λp
= 640 nm
TSL250RD
MIN
TYP
260
MAX
MIN
TSL251RD
TYP
70
MAX
MIN
TYP
260
λp
= 940 nm
TSL260RD
MAX
MIN
TSL261RD
TYP
70
MAX
μs
UNIT
t
r
V
O(peak)
= 2 V
t
f
V
O(peak)
= 2 V
E
e
= 0,
f = 1000 Hz
260
70
260
70
μs
V
n
0.8
0.7
0.8
0.7
μV/
(√(Hz))
PARAMETER MEASUREMENT INFORMATION
V
DD
Pulse
Generator
LED
(see Note A)
TSL2xxRD
1
TEST CIRCUIT
−
+
R
L
Output
(see Note B)
10%
2
E
e
Input
3
Output
t
r
90%
90%
10%
t
f
VOLTAGE WAVEFORM
NOTES: A. The input irradiance is supplied by a pulsed light-emitting diode with 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
The
LUMENOLOGY
r
Company
r
r
Copyright
E
2007, TAOS Inc.
www.taosinc.com
3
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
