Photo interrupters (Encoders) KODENSHI KE-204 DIMENSIONS (Unit : mm) KE–204 is an encoder module of photointerrupter type combining a high output IRED with photo IC.A rotating detection system of high quality and high reliability can be built easily with this module.Down sizing is possible. FEATURES •Directly connectable to CMOS •Built in comparator circuit of push–pull system •Built in degital output and pull–up resistor of 20k Ω •Free design at random resolution from 50–150LPI APPLICATIONS •Disk drive •Copier •Facsimile •Printer MAXIMUM RATINGS Item Input Output Power dissipation Forward current Reverse voltage Supply voltage Power dissipation Operating temp.*1 Storage temp.*1 Soldering temp.*2 (Ta=25℃) Symbol Rating Unit PD IF VR VCC P Topr. Tstg. Tsol. 100 60 5 7 30 0~+60 -10~+80 240 mW mA V V mW ℃ ℃ ℃ *1.No icebound or dew *2.For MAX.5 seconds at the position of 1mm from the resin edge ELECTRO-OPTICAL CHARACTERISTICS Item Input Output Forward voltage Reverse current Operating supply voltage rang Low level output voltage High level output voltage Duty ratio Transmisson Phase *3 Frequency (Ta=25℃) Symbol Conditions VF IR VCC VOL VOH DA DB θ1 ~ θ 4 fmax IF=60mA VR=5V VCC =5V,IOL =500μA VCE =5V,IF =30mA VCE =5V,IF =30mA VCE =5V,IF =30mA VCE =5V,IF =30mA VCC =5V,IF =30mA *3.No reverse in phase difference - 1- Min. Typ. Max. Unit. 1.3 1.6 10 5.5 0.4 V μA V V V % % deg. KHz 4.5 5.0 0.1 4 25 25 45 50 50 90 75 75 135 20 Photo interrupters(Encoders) KE-204 Output power dissipationVs. Ambient temperature Input forward current Vs. Ambient temperature Duty ratio Vs. Frequency Phase difference Vs. Frequency Duty ratio Vs. Ambient temperature Phase difference Vs. Ambient temperature Duty ratio Vs. Air-gap Phase difference Vs. Air-gap Duty ratio Vs. Forward current Phase difference Vs. Forward current Duty ratio Vs. Supply voltage Phase difference Vs. Supply voltage Duty ratio Vs. Azimuth angle Phase difference Vs. Azimuth angle - 2-