TSL260 Ver la hoja de datos (PDF) - Unspecified
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TSL260 Datasheet PDF : 10 Pages
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TSL260, TSL261, TSL262
IR LIGHTĆTOĆVOLTAGE OPTICAL SENSORS
TAOS021 – MAY 2000
PARAMETER MEASUREMENT INFORMATION
Pulse
Generator
IRED
(see Note A)
VDD
Ee
2
–
+
TSL26x
Input
3
Output
RL
tr
tf
90%
90%
1
Output
10%
10%
(see Note B)
TEST CIRCUIT
VOLTAGE WAVEFORM
NOTES: A. The input irradiance is supplied by a pulsed GaAs infrared-emitting diode with the following characteristics: λp = 940 nm, tr < 1 µs,
tf < 1 µs.
B. The output waveform is monitored on an oscilloscope with the following characteristics: tr < 100 ns, Zi ≥ 1 MHz, Ci ≤ 20 pF.
Figure 1. Switching Times
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE
vs
IRRADIANCE
10
VDD = 5 V
λp = 940 nm
No Load
TSL261
TA = 25°C
1
TSL260
PHOTODIODE SPECTRAL RESPONSE
1
TA = 25°C
0.9
0.8
0.7
0.6
0.5
TSL262
0.4
0.1
0.3
0.2
0.01
0.1
1
10
100
Ee – Irradiance – µW/cm2
Figure 2
1000
0.1
0
600
700
800
900
1000
λ – Wavelength – nm
Figure 3
1100
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Copyright E 2000, TAOS Inc.
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