TSL250RD Datasheet, PDF (3/12 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – LIGHT-TO-VOLTAGE OPTICAL SENSORS

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 kΩ (unless otherwise noted) (see Figure 1)
PARAMETER
TEST
CONDITIONS
λp = 640 nm
TSL250RD
TSL251RD
MIN TYP MAX MIN TYP MAX
λp = 940 nm
TSL260RD
TSL261RD
MIN TYP MAX MIN TYP MAX
UNIT
Output
t_r pulse rise V_O(peak) = 2 V
260
time
70
260
70
μs
Output
t_f pulse fall V_O(peak) = 2 V
260
time
70
260
70
μs
Output
V_n noise
voltage
E_e = 0,
f = 1000 Hz
0.8
0.7
0.8
0.7
μV/
(√(Hz))
PARAMETER MEASUREMENT INFORMATION
Pulse
Generator
LED
(see Note A)
V_DD
E_e
2
TSL2xxRD
−
+
1
Input
3
Output
R_L
Output
(see Note B)
t_r
t_f
90%
90%
10%
10%
TEST CIRCUIT
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
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r
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