940nm的红外接收头(带铁壳或不带铁壳) infrared rrmote control receiver moduledevice number :jh-1838a ● description : the module is a small type infrared remote control system receiver which has been developed and designed by utilizing the latest hybrid technology. it is a single unit type module which incorporates a pin aide and a receiving preamplifier ic. it can be used for tvs,vtrs ,audio equipment air conditioners ,car stereo radio ,toys,home computers and all other equipment requiring remote control. ● absolute maximum ratings (ta=25℃) parameter symbol ratings unit notice supply voltage vcc 2.7-5.5 v operating temperature topr -10 ~+60 ℃ storage temperature tstg -20 ~+75 ℃ soledring temperature tsol 240 ℃ 4mmfrommold body less than 5sec. ● electrical and oprical characteristics (ta=25℃) parameter symbol condition ratingsunit min typ max supply voltage vcc dc voltage2.7 3.0 5.5 v supply current icc no signal input --- 0.8 1.5 ma receotion distance l at the ray axis 15 18 --- m in the rang of 45ºcone 10 --- --- b.p.fcenterfrequency fo --- 38 --- khz peak wavelength λp --- 940 --- nm half angle θ --- ±45 --- deg high level pulse width th specified by the output thperiod within a range from 10cm to the arrival distance(average value of 50pulses) 500 600 700 µs low level pulse width tl specified by the output tlperiod within a rang from 10cm to the arrival distance (average value of 50 pulses) 500 600 700 µs high level output voltage vh 10cmover the ray axis 4.5 --- --- v low level output voltage vl 10cmover the ray axis --- 0.2 0.4 v 线宽 : 5（mm） ; 输出波长 : 940（nm） ; 通道 : 单通道 ; 速度 : 高速 ; 传输信号 : 高线性型 ; 输出形式 : 光敏器件型 ; 光路径 : 透过型外光路 ; 工作物质 : 固体 ; 激励方式 : 电激励式 ; 运转方式 : 单次脉冲式 ; 波段范围 : 远红外 ; 种类 : 配件组件 ; 型号 : 1838 ; 品牌 : 聚之源 ; 加工定制 : 是 ;