OPV322 - OPTEK TECHNOLOGY - Product.Network

Applications

• Non-contact position sensing

• Photoelectric sensors

• Optical encoders

• Light curtains

Vertical Cavity Surface Emitting

Laser in Pill Package

OPV322

• 850nm VCSEL technology

• High thermal stability

• Low drive current

• High output power

• Narrow Beam Angle

The OPV322 is a Vertical Cavity Surface Emitting Laser (VCSEL) packaged in a dome lens pill package. VCSEL

offer many advantages in sensing applications when compared to infrared LEDs. These devices require substan-

tially lower drive currents to obtain the same amount of output power as LEDs. This feature allows VCSELs to be

used in low power consumption applications such as battery operated equipment.

The dome lens packaging creates a na rrow beam angle from the device. Long distance applications may benefit

from this feature as secon dary optics may be eliminated, reducing total system cost. The OPV322 is optically and

spectrally compatible with Optek’s sta ndard detector products such as the OP600 se ries phototransistors, OP300

series photodarlingtons and the OP900 series p hotodiodes.

Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible.

OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006

Phone: (800) 341-4747 FAX: (972) 323– 2396 sensors@optekinc.com www.optekinc.com A subsidiary of

TT electronics plc

Additional laser safety information can be

found on the Optek website. See application

bulletin #221.

Classification is not marked on the device

due to space limitations. See package out-

line for centerline of optical radiance. Oper-

ating devices beyond maximum rating may

result in hazardous radiation exposure.

1 2

VCSEL

EMISSION DIRECTION

RoHS

VCSEL in Pill Package

OPV322

OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006

Phone: (800) 341-4747 FAX: (972) 323– 2396 sensors@optekinc.com www.optekinc.com

Electrical Characteristics (TA = 25°C unless otherwise noted)

Absolute Maximum Ratings

TA = 25o C unless otherwise noted

Storage Temperature Range -40° to +100° C

Operating Temperature Range 0° to +85° C

Soldering Temperature [1/16 inch (1.6mm) from case for 5 sec with soldering iron] 260° C(1)

Maximum Forward Peak Current, Continuous 12 mA

Maximum Reverse Voltage 5 V

Maximum Forward Current, pulsed (1µs P.W., 10% D.C.) 48 mA

NOTES:

(1) RMA flux is recommended. Solder dwell time can be increased to 10 seconds when flow soldering.

(2) Threshold Current is based on the two line intersection method specified in Telcordia GR-468-Core. Line 1 from 4 mA to 6 mA. Line 2 from 0 mA to 0.5 mA.

(3) Series Resistance is the slope of the Voltage-Current line from 5 to 8 mA.

(4) Slope efficiency, is the slope of the best fit LI line from 5 mA to 8 mA with 0.25mA test intervals.

SYMBOL PARAMETER MIN TYP MAX UNITS CONDITIONS

POT Total Power Out 1.5 mW IF = 7 mA

ITH Threshold Current 3.0 mA Note 2

VF Forward Voltage 2.2 V IF = 7 mA

IR Reverse Current 100 nA VR = 5 V

RS Series Resistance 20 55 ohms Note 3

η Slope Efficiency 0.28 mW/mA Note 4

λ Wavelength 840 860 nm

Δλ Optical Bandwidth 0.85 nm

θ Beam Divergence 6 Degrees FWHM

Δη/ΔT Temp Coefficient of Slope Efficiency -0.50 %/°C (0° - 70°C), Note 4

Δλ/ΔT Temp Coefficient of Wavelength 0.06 nm/°C (0° - 70°C)

ΔlTH Temp Variance of Threshold Current ±1.0 mA (0° - 70°C), Note 2

ΔVF/ΔT Temp Coefficient for Forward Voltage -2.5 mV/°C (0° - 70°C)

Issue 1.2 09.09

Page 2 of 2

Typical Angular Output

-30 0

20%

40%

60%

100%

Angular Displacement—Degrees

Relative Output

-60

Normalized Output Power vs.

Forward Current

0 2 4 6 8 10 12

Forward Current—mA

200%

100%

Normalized Output Power

Normalized at 7mA, 25°C

90 60 30 -90

80%