k med002a rev. date: 28-jan- 11 ksd-xxxxxx-000 distance sensor the contents of this data sheet are subject to change without advance notice for the purpose of improvement. when using this product, would you plea se refer to the latest specifications. description the kmed001a is a near distance measure photo interrupter. it is combines high-output gaas ired and high sensitive ltv(light to voltage) with amplifier circuit. features z operate pulse signal. z calculated distance. z low tolerance with other color. z rohs compliant. applications z cleaner robot. z short distance measure z home appliance. z hand drier. absolute maximum ratings (t a =25 , unless otherwise specified) parameter symbol rating unit reverse voltage v r 5 v forward current i f 50 ma peak forward current (1) i fp 0.5 a input power dissipation p d 90 mw output supply voltage v ceo 0 ~ 12 v operating temperature topr. -25 ~ 85 storage temperature tstg. -40 ~ 85 esd withstand voltage(human body model) v esd 2.0 kv notes : 1. duty ratio = 1/100, pulse width = 0.1 ?
rev. date: 21-jan- 11 ksd-xxxxxx-000 k med002a the contents of this data sheet are subject to change without advance notice for the purpose of improvement. when using this product, would you plea se refer to the latest specifications. electrical-optical characteristics (t a =25 ) parameter symbol conditions min. typ. max. unit forward voltage v f i f =50ma - 1.6 1.8 v wavelength of emission - 875 - nm input reverse current i r v r =5v - - 10 a ch a v cc =5v, e=0 lux - - 60 output dark current ch b v cc =5v, e=0 lux - - 60 mv detecting distance (1) l ds vcc = 5v 50 - 150 mm ch a 2.2 - 2.5 v output voltage (2) ch b 0.8 - 1.1 v transfer charac- teristics leakage voltage v leak v cc = 5v, v fp = 1khz, l=100 mm - - 50 mv rise time (3) tr - 250 - s response time fall time (3) tf fig.1 fig.2 - 350 - s note 1. reference media: kodak 90% white paper note 2. input vfp have a 500hz frequen cy with 40% duty and media position is 100mm from top surface of sensor. apply with recommendation circuit. note 3. adjust amplitude and offs et of square wave so that v out transitions from 10% to 90% of v out range of the device under test(dut).
rev. date: 21-jan- 11 ksd-xxxxxx-000 k med002a the contents of this data sheet are subject to change without advance notice for the purpose of improvement. when using this product, would you plea se refer to the latest specifications. package outline dimensions (unit : mm) >> ch b ch a gnd v cc sel signal pwm
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