OPB686 datasheet(5/5 Pages) OPTEK

5 / 5 page

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.2

04/09

Page 5 of 5

Photologic® Optical Flag Switch

OPB685, OPB685-3, OPB686, OPB687, OPB688

OPB695, OPB696, OPB697, OPB698 Series

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

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

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

TEST CONDITIONS

Output Photologic® Sensor

(continued)

IF(+)

LED Positive-Going Threshold Current

OPB685-688

0.1

1.8

VCC = 5 V

IF(+)/IF(-)

Hysteresis

OPB685/688

1.0

1.2

1.6

VCC = 5 V

trtf

Rise Time, Fall Time

VCC = 5 V, IF = 0 or 10 mA

RL = 300 Ω, DC = 50%

f = 10 kHz

tPLHtPHL

Propagation Delay Low-High & High-

Low:

Buffer, 10k Pull-Up

OPB685

Buffer, Open-Collector

OPB686

1 (LH)

2 (HL)

µs

Inverter, 10k Pull-Up

OPB687

Inverter, Open-Collector

OPB688

2 (LH)

1( HL)

µs

Notes:

(1) Test requires lever arm in “blocked” position.

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