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| ENCODERS KE-2E18-15/18(150/180 LPI) KE-2E182mm IC 150180LPI The KE-2E18 series is "Optical encoder" that achieves the thin type and the gap 2mm. The in-house product is adopted for issue element and receiving optical photo IC, and the high quality and the economy are made to be united. 150,180LPI is collected, and resolution can be used for a wide usage with the digital output. Outline Image FEATURES 2 Digital output 2channel 10k Pull-up resisitance 10kbuilt-in 150,180PI High resolution150,180LPI 7.55mm Sensor height : 7.55mm MAXIMUM RATINGS Item Power dissipation Emitter Ta25 Symbol PD VR IF VCC P IOL Topr. Rating 65 3 40 7 30 4 060 Unit mW V mA V mW mA Reverse voltage Forward current Supply voltage APPLICATIONS Detector Power dissipation Low level output current Operating temp. Storage temp. Soldering temp. *1 Disk driver Copier Fax Printer Tstg. 4070 Tsol. 260 1.Holder 1mmt=5sec. For max 5 sec. At the position of 1mm from the resin edge. ELECTRO-OPTICAL CHARACTERISTICS Item Forward voltage Peak wavelength Emitter Ta25 Symbol VF p VCC VOL VOH DA DB 2 Conditions IF=20mA IF=20mA Min. 1.6 2.7 Typ. 1.8 740 3.3or5.0 Max. 2.2 5.5 0.4 70 70 135 60 Unit. V nm V V V % % kHz Operating supply voltage Detector Low level output voltage High level output voltage 50 50 90 Transmission Duty ratio Phase Difference VCC=2.7 to5.5V IF=20mA G1(mm)=4.1~ 5.9-Scale Scale Ro20 Vcc*0.8 30 30 45 fmax Response Frequency 2. No reverce phase difference contents of this data sheet are subject to change without advance notice for the purpose of improvement. When using this product, wouldyoupleaserefer to the latest specifications. The Aug.2007 ENCODERS KE-2E18-15/18(150/180 LPI) OUTPUT SIGNAL 360deg VOH Aphase VOL T2 T1 Bphase A output waveform at figure below AllowA() (-) (+) Y G1 R0 (+) (+) (-) (-) A X ScaleGAP Scale GAPposition A Direction of Scale movement S.L. 2mm G1 S. L R1 /Structural chartBlockDiagram Vcc 10k Vout(A) An AMP A a Hys Comp Tr Ca AMP B b 10k Vout(B) Hys Comp Tr GND ENCODERS KE-2E18-15/18(150/180 LPI) DIMENSIONS Representative characteristic A_Duty 160 140 120 100 80 60 40 20 0 0 10 20 30 40 [IF](mA) B_Duty 160 140 120 100 80 60 40 20 0 3.5 4.0 4.5 5.0 5.5 6.0 Gap(mm) GAP A_Duty 2 B_Duty 3 1 4 Y A_Duty 160 140 120 100 80 60 40 20 0 -1.0 B_Duty Duty(%)/() Duty(%)/() Duty(%)/() -0.5 0.0 0.5 1.0 Y(mm) |
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