内外双屏蔽红外接收头主要特性：
*模块封装；内外双屏蔽；
*宽工作电压，2.7-5.5 V；
*低功耗；最远工作距离
*输出匹配TTL、CMOS电平，低电平有效;
应用：
VCD、DVD、TV、玩具、DVB。
光电参数
Specifications hold over the
Recommended Operating Conditions,unless
Otherwise herein.All values
are at
|
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 |
|
|
