TSL251R datasheet(2/8 Pages) ETC

2 / 8 page

TSL250R, TSL251R, TSL252R

LIGHT TOVOLTAGE OPTICAL SENSORS

TAOS028A – MAY 2001

www.taosinc.com

E 2001, TAOS Inc.

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

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

240

°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.

Recommended Operating Conditions

MIN

NOM

MAX

UNIT

Supply voltage, VDD

2.7

5.5

Operating free-air temperature, TA

°C

Electrical Characteristics at VDD = 5 V, TA = 25°C, λp = 635 nm, RL = 10 kΩ (unless otherwise noted)

(see Notes 3, 4, and 5)

PARAMETER

TEST

TSL250R

TSL251R

TSL252R

UNIT

PARAMETER

TEST

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

Dark voltage

Ee = 0

VOM

Maximum output

voltage

VDD = 4.5 V

3.0

3.3

3.0

3.3

3.0

3.3

Ee = 14.6 µW/cm2

1.5

2.5

Output voltage

Ee = 38.5 µW/cm2

1.5

2.5

Out ut voltage

Ee = 196 µW/cm2

1.5

2.5

Ee = 14.6 µW/cm2,

1.6

mV/

°C

Temperature

Ee = 14.6 µW/cm ,

TA = 0°C to 70°C

0.08

°C

Temperature

coefficient of

Ee = 38.5 µW/cm2,

1.6

mV/

°C

αvo

coefficient of

output voltage

(V )

Ee = 38.5 µW/cm ,

TA = 0°C to 70°C

0.08

°C

(VO)

Ee = 196 µW/cm2,

1.6

mV/

°C

Ee = 196 µW/cm ,

TA = 0°C to 70°C

0.08

°C

Irradiance

λp = 635 nm,

See Notes 5 and 7

137

10.2

mV/( W/cm2)

Irradiance

responsivity

λp = 880 nm,

See Notes 6 and 7

127

9.4

mV/(

µW/cm2)

Ee = 14.6 µW/cm2

1.1

1.7

IDD

Supply current

Ee = 38.5 µW/cm2

1.1

1.7

Ee = 196 µW/cm2

1.1

1.7

NOTES:

3. Measurements are made with RL = 10 kΩ between output and ground.

4. Optical measurements are made using small-angle incident radiation from an LED optical source.

5. The input irradiance Ee is supplied by an AlInGaP LED with peak wavelength λp = 635 nm

6. The input irradiance Ee is supplied by a GaAlAs LED with peak wavelength λp = 880 nm

7. Irradiance responsivity is characterized over the range VO = 0.05 to 2.9 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.

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