IS1U20 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'IS1U20' PDF : 3 Pages View PDF
s Circuit Block Diagram
Auto bias current
control circuit
Amp.
Photodiode
Ro= 22kΩ
Comparator
3
Vcc
1
Vout
2
GND
IS1U20
*3 Input signal waveform
T1
T1
T2
T1 =416.7µs and T2 =78.1µs at BR=2.4kbps
T1 =8.68µs and T2 =1.63µs at BR=115.2kbps
Transmitter radiant intensity : 40 mW/sr
*4 Output waveform regulation
tf
90%
50%
10%
tw
*5 Optical system
tr
VOH
VOL
Receiving distance : L
φ
φ
IS1U20
*1 Transmitter
Oscilloscope
(φ : Horizontal and vertical directions)
*1 Transmitter shall use the light emitting diode GL550 ( λp=850 to 900 nm) and be adjusted to the radiant intensity of 40mW/sr.
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