GP2W1002YP0F【PDF 9/14 页】IRDA MODULE 1152KBPS 8SMD

GP2W1002YP0F

(typ.)

Logic I/O levels V

(V)

Fig.7 High level output voltage(VOH) vs Logic I/O levels(VIO)

Sheet No.: E3-A00201EN

?SPAN class="pst GP2W1002YP0F_2589044_0">Notes

(1) When the system (program) is designed, the Turn Around Time shall be secured by considering 200 約 or

more that is specified to IrDA.

Then, this Turn Around Time means the time when this device does not temporarily detect the signal light,

since the transmitted light form the transceiver reaches the detector side of the transceiver.

(2) As it is necessary 100 約 or more (at Ta =25 癈, no input signal) to return from shut-down mode to ready-

operation mode, please consider this point at the system (program) designing.

Also, please confirm thoroughly the operation in actual application.

(3) When there is much external disturbing light source is located near this transceiver and the detector face

resceiver much external disturbing light, there is case that the pulse other than signal output is generated

as noise on output terminal of this transceiver. Please consider the lay-out and structure to reduce disturbing

light on the detector face.

(4) In case that this sensor is adopted in IR communication system, please use it according to the signal method

which is specified by [Serial Infrared Physical Layer Link Specification Version 1.4] published by Infrared

Data Association. False operation may happen if the different signal method is used.

(5) In circuit designing, make allowance for the degradation of light emitting diode output that results from long

continuous operation. ( 50 % degradation/5 years)

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