TSL250R, TSL251R, TSL252R
LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS028H SEPTEMBER 2007
3
The LUMENOLOGY r Company
r
r
Copyright E 2007, TAOS Inc.
www.taosinc.com
Electrical Characteristics at V
DD
= 5 V, T
A
= 25?/SPAN>C, ?/SPAN>p = 635 nm, R
L
= 10 k?/SPAN> (unless otherwise noted)
(see Notes 3, 4, and 5)
TEST
TSL250R
TSL251R
TSL252R
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
V
D
Dark voltage
E
e
= 0
0
4
10
0
4
10
0
4
10
mV
V
OM
Maximum output
voltage
V
DD
= 4.5 V
3.0
3.3
3.0
3.3
3.0
3.3
V
E
e
= 14.6 糤/cm
2
1.5
2
2.5
V
O
Output voltage
E
e
= 38.5 糤/cm
2
1.5
2
2.5
V
O
E
e
= 196 糤/cm
2
1.5
2
2.5
E = 14.6 糤/cm
2
,
1.6
mV/癈
e
= . ?nbsp cm ,
T
A
= 0癈 to 70癈
0.08
%/癈
Temperature
coefficient of
E = 38.5 糤/cm
2
,
1.6
mV/癈
?/DIV>
vo
coe c en o
output voltage
e
= . ?/DIV>
,
T
A
= 0癈 to 70癈
0.08
%/癈
(V
O
)
E = 196 糤/cm
2
,
1.6
mV/癈
e
= ?/DIV>
,
T
A
= 0癈 to 70癈
0.08
%/癈
Irradiance
?/DIV>
p
= 635 nm,
See Notes 5 and 7
137
52
10.2
N
e
rra ance
responsivity
?/DIV>
p
= 880 nm,
See Notes 6 and 7
127
48
9.4
mV/(糤/cm
2
)
E
e
= 14.6 糤/cm
2
1.1
1.7
I
DD
Supply current
E
e
= 38.5 糤/cm
2
1.1
1.7
mA
E
e
= 196 糤/cm
2
1.1
1.7
NOTES: 3. Measurements are made with R
L
= 10 k?between output and ground.
4. Optical measurements are made using small-angle incident radiation from an LED optical source.
5. The input irradiance E
e
is supplied by an AlInGaP LED with peak wavelength ?/DIV>
p
= 635 nm
6. The input irradiance E
e
is supplied by a GaAlAs LED with peak wavelength ?/DIV>
p
= 880 nm
7. Irradiance responsivity is characterized over the range V
O
= 0.05 to 2.9 V. The best-fit straight line of Output Voltage V
O
versus
irradiance E
e
over this range will typically have a positive extrapolated V
O
value for E
e
= 0.
Dynamic Characteristics at T
A
= 25?/SPAN>C (see Figure 1)
TSL250R
TSL251R
TSL252R
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
t
r
Output pulse rise time
V
DD
= 5 V,
?/DIV>
p
= 635 nm
260
70
7
約
t
f
Output pulse fall time
V
DD
= 5 V,
?/DIV>
p
= 635 nm
260
70
7
約
V
n
Output noise voltage
V
DD
= 5 V,
f = 1000 Hz
E
e
= 0,
0.8
0.7
0.6
糣/Hz
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