OPB712 - OPTEK TECHNOLOGY - Product.Network

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

Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Issue A .1 12/06

Page 1 of 5

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

Reflective Object Sensor

OPB711, OPB712

Features:

• Choice of phototransistor or photodarlington output

• Unfocused for sensing diffuse surface

• Low-cost plastic housing

• Choice of filter or unfiltered

Description:

OPB711 consists of an infrared emitting diode and an NPN silicon phototransistor, mounted “side-by-side” on

parallel axes in a black opaque plastic housing. The OPB712 consists of an infrared emitting diode and an NPN

silicon photodarlington, mounted “side-by-side” on parallel axes in a black plastic housing.

OPB711’s, emitting diode and phototransistor are encapsulated in a filtering epoxy to reduce ambient light noise.

Its phototransistor responds to radiation from the emitter only when a reflective object passes within its field of

view.

OPB712’s emitting diode and photodarlington are encapsulated in a filtering epoxy to reduce ambient light noise.

Its photodarlington responds to radiation from the emitter only when a reflective object passes within its field of

view.

Product Photo Here

Applications:

• Non-contact reflective object sensor

• Assembly line automation

• Machine automation

• Machine safety

• End of travel sensor

• Door sensor

OPB712

RoHS

OPB711

Pin # LED Pin # Transistor

1 Anode 3 Collector

2 Cathode 4 Emitter

Part

Number

LED Peak

Wavelength

Sensor

Reflection

Distance

Inch (mm)

Lead Length /

Spacing

OPB711 890 nm

Transistor

0.080" (2.03mm)

0.30" /

0.095" & 0.100"

“X” = 0.06” (1.5 mm)

OPB712 Darlington

DIMENSIONS ARE IN:

INCHES

[ MILLIMETERS]

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

Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Issue A.1 12/06

Page 2 of 5

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

Reflective Object Sensor

OPB711, OPB712

Notes:

(1) RMA flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering.

(2) Derate linearly 1.33 mW/cm2 above 25 ° C.

(3) Derate linearly 2.08 mW/o C above 25o C.

Absolute Maximum Ratings (TA=25°C unless otherwise noted)

Storage & Operating Temperature Range -40° C to +85° C

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

Input Diode (See OP268 for additional information—for reference only)

Forward DC Current 50 mA

Peak Forward Current (1 μs pulse width, 300 pps) 3 A

Reverse DC Voltage 2 V

Power Dissipation(2) 80 mW

Collector-Emitter Voltage

OPB711

OPB712

24 V

15 V

Emitter-Collector Voltage 5 V

Output Phototransistor (OPB711),

Output Photodarlington (OPB712)

Collector DC Current

OPB711

OPB712

25 mA

125 mA

Power Dissipation

OPB711(2)

OPB712(3)

80 mW

125 mW

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

Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Issue A .1 12/06

Page 3 of 5

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

Reflective Object Sensor

OPB711, OPB712

SYMBOL PARAMETER MIN MAX UNITS TEST CONDITIONS

Input Diode (see OP168F for additional information)

VF Forward Voltage - 1.7 V IF = 20 mA

IR Reverse Current - 100 μA VR = 2 V

Output Phototransistor (OPB711—See OP508F for additional information)

Output Photodarlington (OPB712—See OP538F for additional information)

V(BR)CEO

Collector-Emitter Breakdown Voltage

OPB711

OPB712

V IC = 100 µA

V(BR)ECO Emitter-Collector Breakdown Voltage 5 - V IE = 100 µA

ICEO

Collector Dark Current

OPB711

OPB712

100

250

nA VCE = 10 V, IF = 0, EE = ≤ 0.1 µW/cm2

Combined

VCE(SAT)

Collector-Emitter Saturation Voltage(1)(2)

OPB711

OPB712

1.1

V IF = 20 mA, IC = 50 µA, d = 0.080” (2.03 mm)

IC(ON)

On-State Collector Current(1)(2)

OPB711

OPB712

350

1,000

μA

IF = 20 mA, VCE = 5 V, d = 0.080” (2.03 mm)

ICX

Crosstalk

OPB711(3)

OPB712(4)

100

μA

VCE = 5 V, IF = 20 mA (no reflecting surface)

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

TYP

Notes:

(1) On OPB711, D is the distance from the assembly measurement surface to the reflective surface. On OPB712, D is the distance from

the assembly face to the reflective surface.

(2) Measured using Eastman Kodak neutral white test card with 90% diffuse reflectance as a reflecting surface. Reference: Eastman

Kodak, Catalog #E 152 7795.

(3) Crosstalk (Icx) is the collector current measured with the indicated current in the input diode and with no reflective surface.

(4) All parameters were tested using pulse techniques.

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

Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com

Issue A.1 12/06

Page 4 of 5

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

OPB712 - Output vs Distance

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40

Distance to Reflective Surface (inches)

Normalized Output Current

Kodak 90%

Kodak 18%

Copier Paper

Avery Label

Retro Reflective

Normalized at 0.080" Kodak 90%

OPB711 - Normalized Collector Current

vs Forward Current vs Temperature

0.0

0.5

1.0

1.5

2.0

2.5

0 5 10 15 20 25 30 35 40 45 50

Forward Current (mA)

Normalized Output Current

-40° C

-20° C

0° C

20° C

40° C

60° C

80° C

Normalized Collector Current at 20mA and 20°C

Reflective Surface Kodak 90% at distance 0.080"

= 5V

OPB712 - Normalized Collector Current

vs Forward Current vs Temperature

0.0

0.5

1.0

1.5

2.0

2.5

0 5 10 15 20 25 30 35 40 45 50

Forward Current (mA)

Normalized Output Current

-40° C

-20° C

0° C

20° C

40° C

60° C

80° C

Normalized Collector Current at 20mA and 20°C

Reflective Surface Kodak 90% at distance 0.080"

VCE = 5V

Reflective Object Sensor

OPB711, OPB712

OPB711 - Output vs Distance

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40

Distance (inches)

Normalized Output Current

Kodak 90%

Kodak 18%

Copier Paper

Avery Labels

Retro Reflective

Normalized at 0.080" Kodak 90%