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TSL250RD Datasheet PDF : 12 Pages
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TSL250RD, TSL251RD, TSL260RD, TSL261RD
LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS050K − OCTOBER 2007
Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 10 mA
Duration of short-circuit current at (or below) 25°C (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 s
Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25°C to 85°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25°C to 85°C
Solder conditions in accordance with JEDEC J−STD−020A, maximum temperature (see Note 3) . . . 260°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltages are with respect to GND.
2. Output may be shorted to supply.
3. The device may be hand soldered provided that heat is applied only to the solder pad and no contact is made between the tip of
the solder iron and the device lead. The maximum time heat should be applied to the device is 5 seconds.
Recommended Operating Conditions
Supply voltage, VDD
Operating free-air temperature, TA
MIN NOM MAX UNIT
2.7
5.5 V
0
70 °C
Electrical Characteristics at VDD = 5 V, TA = 25°C, RL = 10 kΩ (unless otherwise noted) (see Notes
3, 4, 5, and 6)
PARAMETER
VD
Dark
voltage
TEST
CONDITIONS
Ee = 0
λp = 640 nm
λp = 940 nm
TSL250RD
TSL251RD
TSL260RD
TSL261RD
MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNIT
0
5 10 0
5 10 0
5 10 0
5 10 mV
Maximum
VOM output
VDD = 4.5 V
3 3.3
3 3.3
3 3.3
3 3.3
V
voltage
VO
Output
voltage
Ee = 31 μW/cm2
1.5
Ee = 124 μW/cm2
Ee = 34 μW/cm2
Ee = 132 μW/cm2
2 2.5
1.5
2 2.5
1
2
3
1
V
2
3
Re
Irradiance
responsivity
See Note 7
64
16
58
mV/
15
(μW/
cm2)
Temperature
VO = 2 V @ 25°C,
2
2
8
8
mV/°C
coefficient of
TA = 0°C to 70°C
output voltage (VO) (see Note 8)
0.1
0.1
0.4
0.4
%/°C
Ee = 31 μW/cm2
1.1 1.7
IDD
Supply
current
Ee = 124 μW/cm2
Ee = 34 μW/cm2
1.1 1.7
mA
1.1 1.7
Ee = 132 μW/cm2
1.1 1.7
NOTES: 4. Measurements are made with RL = 10 kΩ between output and ground.
5. Optical measurements are made using small-angle incident radiation from an LED optical source.
6. The 640 nm input irradiance Ee is supplied by an AlInGaP LED with peak wavelength λp = 640 nm.
7. The 940 nm input irradiance Ee is supplied by a GaAs LED with peak wavelength λp = 940 nm.
8. Irradiance responsivity is characterized over the range VO = VD to 3 V. The best-fit straight line of Output Voltage VO
versus irradiance Ee over this range will typically have a positive extrapolated VO value for Ee = 0.
9. The temperature coefficient of output voltage measurement is made by adjusting irradiance such that VO is approximately 2 V at
25°C and then with irradiance held constant, measuring VO while varying the temperature between 0°C and 70°C.
Copyright E 2007, TAOS Inc.
r
The LUMENOLOGY r Company
r
2
www.taosinc.com
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