Document
Technical coantmesntAsGtill valid
r
r
D Converts Light Intensity to Output Voltage D Monolithic Silicon IC Containing
Photodiode, Transconductance Amplifier, and Feedback Components
D Single-Supply Operation . . . 2.7 V to 5.5 V D High Irradiance Responsivity . . . Typical
96 mV/(μW/cm2) at λp = 640 nm (TSL12T)
D Low Supply Current . . . 1.1 mA Typical D Low-Profile Surface-Mount Package D RoHS Compliant
TSL12T, TSL13T LIGHT-TO-VOLTAGE CONVERTERS
TAOS062D − APRIL 2007
PACKAGE T 4-LEAD SMD (TOP VIEW)
N/C 1 GND 2
4 OUT 3 VDD
Description The TSL12T and TSL13T are cost-optimized, highly integrated light-to-voltage optical sensors, each combining a photodiode and a transimpedance amplifier (feedback resistor = 80 MΩ and 20 MΩ, respectively) on a single monolithic integrated circuit. The photodiode active area is 0.5 mm × 0.5 mm and the sensors respond to light in the range of 320 nm to 1050 nm. Output voltage is linear with light intensity (irradiance) incident on the sensor over a wide dynamic range. These devices are supplied in a low-profile surface-mount package (T).
Functional Block Diagram
− Voltage + Output
Available Options
DEVICE TSL12 TSL13
TA 0°C to 70° 0°C to 70°
PACKAGE − LEADS 4-lead Low-Profile Surface-Mount 4-lead Low-Profile Surface-Mount
PACKAGE DESIGNATOR T T
ORDERING NUMBER TSL12T TSL13T
The
LUMENOLOGY
r
Company
Texas
Advarnced
Optoelectronic
Solutions
Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972r) 673-0759 www.taosinc.com
Copyright E 2007, TAOS Inc. 1
Technical coantmesntAsGtill valid
TSL12T, TSL13T LIGHT-TO-VOLTAGE CONVERTERS
TAOS062D − APRIL 2007
Terminal Functions
TERMINAL
NAME
T PKG NO.
GND
2
OUT
4
VDD
3
N/C 1
DESCRIPTION
Power supply ground (substrate). All voltages are referenced to GND. Output voltage. Supply voltage. No connection.
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 . . . . . . . . . . . . . . . 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.
Recommended Operating Conditions
Supply voltage, VDD Operating free-air temperature, TA
MIN NOM MAX UNIT 2.7 5.5 V
0 70 °C
Copyright E 2007, TAOS Inc. 2
r www.taosinc.com
The LUMENOLOGY r Company r
Technical coantmesntAsGtill valid
TSL12T, TSL13T LIGHT-TO-VOLTAGE CONVERTERS
TAOS062D − APRIL 2007
Electrical Characteristics (see Notes 3, 4, 5)
at
VDD
=
5
V,
TA
=
25°C,
λp
=
640
nm,
RL
=
10
kΩ
(unless
otherwise
noted)
PARAMETER
TEST CONDITIONS
TSL12T MIN TYP MAX
TSL13T MIN TYP MAX
UNIT
VOM Maximum output voltage VO Output voltage Re Irradiance responsivity
Ee = 20.5 μW/cm2 Ee = 83 μW/cm2 Ee = 41 μW/cm2 Ee = 166 μW/cm2
Note 6
4.6 4.9
4.6 4.9
V
1.5 2 2.5
1.5 2 2.5 4V
4
mV/ 96 24 (μW/
cm2)
VOS Extrapolated offset voltage
Note 6
−0.02 0.03 0.08 −0.02 0.03 0.08
V
Vd Dark voltage
Ee = 0
0 0.08 0 0.08 V
ID Supply current
Ee = 20.5 μW/cm2 Ee = 83 μW/cm2
1.1 1.7
1.1 1.7 mA
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 (see Figure 1)
at
VDD
=
5
V,
TA
=
25°C,
λp
=
640
nm,
RL
=
10
kΩ
(u.