详细说明
内外双屏蔽红外接收头IRM138S-2-M2内含高速高灵敏度PIN光电二极管和低功耗、高增益前置放大IC,采用塑封内外双屏蔽，在红外遥控系统中作为接收器使用。
光电参数
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 |
| High levelOutput Voltage | VoH | 2.7 | 3 | - | V | Vcc=3V |
| 4.7 | 5 | - | V | Vcc=5V |
| Reception distance | L | 0° | - | 15 | - | M | VCC=5V |
| 45° | - | 8 | - | M |
| Half angle | Δθ | | ±45 | | Deg | |