TSL267
HIGH-SENSITIVITY
IR LIGHT-TO-VOLTAGE CONVERTER
TAOS033E − SEPTEMBER 2007
2
r
r
Copyright E 2007, TAOS Inc.
The LUMENOLOGY r Company
www.taosinc.com
Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage, V
DD
(see Note 1) 6 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current, I
O
±10 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duration of short-circuit current at (or below) 25°C 5 s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
−25°C to 85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
−25°C to 85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds (S Package) 260°C. . . . . . . . . . . . . . . . . . . .
Reflow solder, in accordance with J-STD-020C or J-STD-020D (SM Package) 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.
NOTE 1: All voltages are with respect to GND.
Recommended Operating Conditions
MIN MAX UNIT
Supply voltage, V
DD
2.7 5.5 V
Operating free-air temperature, T
A
0 70 °C
Electrical Characteristics at V
DD
= 5 V, T
A
= 25°C, λ
p
= 940 nm, R
L
= 10 kΩ (unless otherwise noted)
(see Notes 2, 3, and 4)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
D
Dark voltage E
e
= 0 0 15 mV
Maximum output voltage swing
V
DD
= 4.5 V, No Load 4.49
V
OM
Maximum output voltage swing
V
DD
= 4.5 V, R
L
= 10 kΩ 4 4.2
V
V
O
Output voltage E
e
= 4.4 μW/cm
2
1.2 2 2.8 V
α
VD
Temperature coefficient of dark voltage (V
D
) T
A
= 0°C to 70°C −15 μV/°C
N
e
Irradiance responsivity See Note 5 0.45 V/(μW/cm
2
)
PSRR Power supply rejection ratio
f
ac
= 100 Hz, see Note 6 55 dB
f
ac
= 1 kHz, see Note 6 35 dB
I
DD
Supply current E
e
= 4.4 μW/cm
2
1.9 4 mA
NOTES: 2. Measured with R
L
= 10 kΩ between output and ground.
3. Optical measurements are made using small-angle incident radiation from a light-emitting diode (LED) optical source.
4. The input irradiance is supplied by a GaAs light-emitting diode with the following characteristics: peak wavelength λ
p
= 940 nm.
5. Irradiance responsivity is characterized over the range V
O
= 0.1 V to 4.5 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.
6. Power supply rejection ratio PSRR is defined as 20 log (ΔV
DD
(f)/ΔV
O
(f)) with V
DD
(f = 0) = 5 V and V
O
(f = 0) = 2 V.
