详细介绍: 1、 描述:
IRM538S-2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,采用塑封内屏蔽,在红外遥控系统中作为接收器使用。
2、 主要特性:
*模块封装;超小外形;
*宽工作电压,2.7-5.5 V;
*低功耗;最远工作距离20M;
*输出匹配TTL、CMOS电平,低电平有效;
3、应用:
VCD、DVD、TV、玩具、DVB。
4、应用电路:
5、接收角度图:
6、极限参数: (Ta=25℃)
Parameter
|
Symbol
|
Ratings
|
Unit
|
Supply Voltage
|
VRCC
|
0—6
|
V
|
Operating Temperature
|
Topr
|
-20— +80
|
℃
|
Storage Temperature
|
Tstg
|
-40 —— +125
|
℃
|
Soldering Temperature
|
Tsol
|
260(5S)
|
℃
|
7、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=3V
|
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
|
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°
|
-
|
12
|
-
|
M
|
200±5lux,VCC=5V
|
30°
|
-
|
10
|
-
|
M
|
45°
|
-
|
8
|
-
|
M
|
Half angle
|
Δθ
|
|
±45
|
|
Deg
|
|
|