OPB951 datasheet(4/6 Pages) TTELEC

4 / 6 page

Issue A

11/2016

Page 4

TT Electronics | Optek Technology, Inc.

1645 Wallace Drive, Ste. 130, Carrollton, TX USA 75006 |Ph: +1 972 323 2200

www.ttelectronics.com | sensors@ttelectronics.com

General Note

TT Electronics reserves the right to make changes in product specification without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

Photologic® Dual Channel

Encoder

OPB950Z, OPB951

Performance

Propagation Delay vs Ambient Temperature

-50

-25

100

TA - Ambient Temperature (°C)

Amplitude = 0.5 mW/cm2

VCC = 5 V

RL = 360 Ώ

λ = 890 nm

f = 10 kHz

Duty Cycle = 50%

tPLH

tPHL

Rise and Fall Time vs Ambient Temperature

vs Output Load

100

150

200

250

-50

-25

100

TA - Ambient Temperature (°C)

VCC = 5 V

λ = 890 nm

f = 10 kHz

tr, RL = 2 KΏ

Amplitude = 0.5 mW/cm2

tr, RL = 1 KΏ

tr, RL = 360 Ώ

tf, RL = 360 Ώ, 1 k Ώ, 2 kΏ

Ch-B

Ch-A

0.070 [1.78]

0.090 [2.27]

0.150 [3.81]

Ideal Target Size & Spacing

For Linear or Circular Targets

Sensor Output(s)

Please consult OPTEK for target design and

sensor location relative to the target.

Dimensions are in inches [millimeters]

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