鐵殼紅外接收頭IRM138S-2-M2內(nèi)含高速高靈敏度PIN光電二極管和低功耗、高增益前置放大IC,采用塑封內(nèi)外雙屏蔽,在紅外遙控系統(tǒng)中作為接收器使用。
1、主要特性:
*模塊封裝;內(nèi)外雙屏蔽;
*寬工作電壓,2.7-5.5 V;
*低功耗;最遠(yuǎn)工作距離20M;
*輸出匹配TTL、CMOS電平,低電平有效;
3、應(yīng)用:
VCD、DVD、TV、玩具、DVB。
光電參數(shù)
Specifications hold over the Recommended Operating Conditions,unless
Otherwise herein.All values are at 25℃ and Vcc=3.0v/5.0v
Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
Supply Current | Icc | -- | 0.9 | 1.5 | mA | Lin=0μA ,Vcc=3V |
-- | 1 | 1.5 | mA | Lin=0μA ,Vcc=5V | ||
Max.Voltage Gain | Av | 75 | 80 | 85 | dB | Fin=37.9kHz |
Vin=30μv kHz | ||||||
BPF Bandwidth | fbw | 3.5 | 6 | 8.5 | kHz | -3Db Bandwidth, Vin=30μv p-p kHz |
Input Frequency | fin | 30 | 37.9 | 60 | kHz | ? |
Receivable Wavelength | λ | 850 | 940 | 1050 | nm | |
Output Pulse Width | Tpw1 | 500 | - | 800 | μs | Fin=37.9kHz,burst wave Vin=500μv p-pNote*1 |
Tpw1 | 500 | - | 800 | μs | Fin=37.9kHz,burst wave Vin=500μv p-pNote*1 | |
Low level Output Voltage | VoL | - | 0.2 | 0.4 | V | Isink=2.0mA |