TSL260, TSL261, TSL262

IR LIGHT TOVOLTAGE OPTICAL SENSORS

TAOS021 – MAY 2000

5

www.taosinc.com

t

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Copyright

E 2000, TAOS Inc.

APPLICATION INFORMATION

TSL26x

Sensor

Output

2

3

1

TSL261

Sensor

Output

50-k

Ω

Threshold

5 V

2

3

1

+

–

100

Ω

5 V

4

5 V

4.7 k

Ω

10 k

Ω

15 k

Ω

LM393

1

8

3

2

15 k

Ω

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