TSL12T datasheet(4/15 Pages) AMSCO

4 / 15 page

TSL12T, TSL13T

LIGHT-TO-VOLTAGE CONVERTERS

TAOS062D − APRIL 2007

The LUMENOLOGY r Company

www.taosinc.com

Electrical Characteristics at VDD = 5 V, TA = 25°C, λp = 640 nm, RL = 10 kΩ (unless otherwise noted)

(see Notes 3, 4, 5)

PARAMETER

TEST CONDITIONS

TSL12T

TSL13T

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

MIN

TYP MAX

UNIT

VOM

Maximum output voltage

4.6

4.9

4.6

4.9

Ee = 20.5 μW/cm2

1.5

2.5

Output voltage

Ee = 83 μW/cm2

1.5

2.5

Output voltage

Ee = 41 μW/cm2

Ee = 166 μW/cm2

Irradiance responsivity

Note 6

mV/

(μW/

cm2)

VOS

Extrapolated offset voltage

Note 6

−0.02

0.03

0.08 −0.02

0.03

0.08

Dark voltage

Ee = 0

0.08

Supply current

Ee = 20.5 μW/cm2

1.1

1.7

Supply current

Ee = 83 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 640 nm input irradiance Ee is supplied by an AlInGaP LED with peak wavelength λp = 640 nm.

6. Irradiance responsivity is characterized over the range VO = 0.2 to 4 V. The best-fit straight line of Output Voltage VO versus

irradiance Ee over this range may have a positive or negative extrapolated VO value for Ee = 0. For low irradiance values, the output

voltage VO versus irradiance Ee characteristic is non linear with a deviation toward VO = 0, Ee = 0 origin from the best-fit straight

line referenced above.

Dynamic Characteristics at VDD = 5 V, TA = 25°C, λp = 640 nm, RL = 10 kΩ (unless otherwise noted)

(see Figure 1)

PARAMETER

TEST CONDITIONS

TSL12T

TSL13T

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

MIN

TYP MAX

UNIT

Output pulse delay time for rising edge (0%

Min VO = 0 V; Peak VO = 2 V

1.7

tdr

Output pulse delay time for rising edge (0%

to 10%)

Min VO = 0.5 V; Peak VO = 2 V

2.3

1.2

μs

Output pulse rise time (10% to 90%)

Min VO = 0 V; Peak VO = 2 V

7.2

Output pulse rise time (10% to 90%)

Min VO = 0.5 V; Peak VO = 2 V

6.5

μs

Output pulse delay time for falling edge

Min VO = 0 V; Peak VO = 2 V

2.3

1.2

tdf

Output pulse delay time for falling edge

(100% to 90%)

Min VO = 0.5 V; Peak VO = 2 V

2.2

1.1

μs

Output pulse fall time (90% to 10%)

Min VO = 0 V; Peak VO = 2 V

6.8

Output pulse fall time (90% to 10%)

Min VO = 0.5 V; Peak VO = 2 V

6.4

μs

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