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TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS

t TAOS021 ­ MAY 2000

TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
t TAOS021 - MAY 2000
D Integral Visible Light Cutoff Filter D Monolithic Silicon IC Containing D D D D D D D
PACKAGE (FRONT VIEW)
GND VDD
Description
Functional Block Diagram
Voltage Output
Terminal Functions
TERMINAL NAME GND OUT VDD NO. 1 3 2 Output voltage Supply voltage DESCRIPTION Ground (substrate). All voltages are referenced to GND.
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Texas Advanced Optoelectronic Solutions Inc.
800 Jupiter Road, Suite 205 S Plano, TX 75074 S (972) 673-0759
Copyright E 2000, TAOS Inc.
TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)
NOTES: 1. All voltages are with respect to GND. 2. Output may be shorted to either supply.
Recommended Operating Conditions
MIN Supply voltage, VDD Operating free-air temperature, TA 3 0 NOM 5 MAX 9 70 UNIT V °C
No load
TSL260 MIN 3.1 1 TYP 3 3.5 2 3 1 MAX 10 3.1 MIN
TSL261 TYP 3 3.5 2 3 1 MAX 10 3.1 MIN
TSL262 TYP 3 3.5 MAX 10 UNIT mV V
Supply current
No load
Copyright E 2000, TAOS Inc.
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TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
Figure 1. Switching Times
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE vs IRRADIANCE
PHOTODIODE SPECTRAL RESPONSE
VO - Output Voltage - V
TSL262 0.1
Figure 2
Figure 3
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Copyright E 2000, TAOS Inc.
TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
TYPICAL CHARACTERISTICS
HIGH-LEVEL OUTPUT VOLTAGE vs SUPPLY VOLTAGE
SUPPLY CURRENT vs OUTPUT VOLTAGE
Figure 4
NORMALIZED OUTPUT VOLTAGE vs ANGULAR DISPLACEMENT
Figure 5
0.8 Normalized Output Voltage TSL260 TSL261, 262 0.6
40° 20° 0° 20° 40° - Angular Displacement
Optical Axis
Figure 6
Copyright E 2000, TAOS Inc.
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TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
APPLICATION INFORMATION
2 TSL26x Sensor 1 3
NOTE A: Pullup resistor extends linear output range to near VDD with minimal (several millivolts typical) effect on VDARK particularly useful at low VDD (3 V to 5 V).
Figure 7. Pullup for Increased VOM
100 5V OP240
2 TSL261 Sensor 1 3
50-k Threshold 10 k 2 8 4 LM393 15 k 15 k
1 Output
OPTEK part number NOTE A: Output goes high when beam is interrupted working distance is several inches or less. Intended for use as optical-interrupter switch or reflective-object sensor.
Figure 8. Short-Range Optical Switch With Hysteresis
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Copyright E 2000, TAOS Inc.
TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
APPLICATION INFORMATION
5V 5V BN301 27 k 7 3 k 6 TLC555 2 1 0.01 µF 3 2N3906 2 4 8 TSL262 Sensor 1 TLC372 18 100 k 15-k Threshold 3 0.01 µF 50 k 2 - 5V 8 4 1 Output 4.7 k 5V
Stanley part number NOTE A: Output pulses low until beam is interrupted. Useful range is 1 ft to 20 ft can be extended with lenses. This configuration is suited for object detection, safety guards, security systems, and automatic doors.
Figure 9. Pulsed Optical-Beam Interrupter
100 0.01 µF 2 OP295 or BN301 Light Shield TSL260 Sensor 1 10 k 6 2N3904 2 0.1 µF 1 µF + 3 0.1 µF 5 3 4
NE567
4.7 µF
OPTEK part number Stanley part number NOTE A: Output goes low when light pulses from emitter are reflected back to sensor. Range is 6 in to 18 in depending upon object reflectance. Useful for automatic doors, annunciators, object avoidance in robotics, automatic faucets, and security systems.
Figure 10. Proximity Detector
Copyright E 2000, TAOS Inc.
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TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
APPLICATION INFORMATION
3 Q1 2N3904 1
D1 BN301 To Sensor
U1 TLC555
TRANSMITTER 6V 2 IN U4 TSL260 Sensor OUT COM 1 J1 3 C5 0.1 µF 6V 6V R8 300 1 R5 7.5 k 3 5 6 Freq Trim R6 4.7 k C2 0.1 µF 2 7 + C3 1 µF C4 4.7 µF + 4 1 16 2 PRE J 5 VCC 3 CLR U2 NE567 4 8 6V R7 4.7 k 2 TIL3010 4 1 3 U3 6 2 Q2 TIC225C AC Load R4 180 1 2 3
U5 1 / 2 SN74HC76 CLK Q
Q3 2N3904
GND 13
RECEIVER
OPTEK part number
NOTE A: Single-channel remote control can be used to switch logic or light dc loads by way of U5 or ac loads by way of the optocoupler and triac as shown. Applications include ceiling fans, lamps, electric heaters, etc.
Figure 11. IR Remote Control
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Copyright E 2000, TAOS Inc.
TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
APPLICATION INFORMATION
6V 6V D1 OP295
IN U2 TLE2426 OUT COM 3 + Audio Input C1 1 µF R1 10 k 7 + 6V U1 TLC271 5 6 1 8 4 R2 20 k R3 40 Q1 2N3904 D2 OP295
TRANSMITTER 9V 2 IN U1 TSL261 Sensor OUT COM 1 9V R2 10 k
C1 100 pF
U3A 4 NE5534
Output (to headphones)
RECEIVER
Figure 12. IR Voice-Band Audio Link
Copyright E 2000, TAOS Inc.
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TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
MECHANICAL DATA
The photodiode / amplifier chip is packaged in a black, infrared-transmissive plastic package. The integrated photodiode active area is typically 1.0 mm2 (0.0016 in2), 0.5 mm2 (0.00078 in2), and 0.26 mm2 (0.0004 in2) for the TSL260, TSL261, and TSL262, respectively.
PIN 1 GND PIN 2 VDD PIN 3 OUT
0, 65 (0.026) 0, 55 (0.022) 15, 7 (0.619) 13, 2 (0.520) 4, 8 (0.189) 4, 4 (0.173) 0, 85 (0.033) 0, 35 (0.014) 0, 51 (0.02) 0, 385 (0.015) 0, 75 (0.030) R
2, 74 (0.108) 2, 34 (0.092) ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND PARENTHETICALLY IN INCHES
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Copyright E 2000, TAOS Inc.
TSL260, TSL261, TSL262 IR LIGHT TO VOLTAGE OPTICAL SENSORS
TAOS021 - MAY 2000
PRODUCTION DATA - information in this document is current at publication date. Products conform to specifications in accordance with the terms of Texas Advanced Optoelectronic Solutions, Inc. standard warranty. Production processing does not necessarily include testing of all parameters.
NOTICE
TAOS, the TAOS logo, and Texas Advanced Optoelectronic Solutions are trademarks of Texas Advanced Optoelectronic Solutions Incorporated.
Copyright E 2000, TAOS Inc.
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