本司自主研發生產多款用于數據抄表系統用的接收頭,適用于各種電表/水表/液氣表/煤氣表...等等數輸作用.
Electrical and Optical Characteristics
Tamb=25℃,unless otherwise specified
Parameter | Test condition | Symbol | Min | T. | Max | Unit |
Supply Current(Pin 3) | Vs=5V, Ev=0 | Isd | 0.8 | 1.2 | 1.5 | mA |
Vs=5V, Ev=40klx,sunlight | Ish |
| 1.5 |
| mA | |
Output Voltage |
| Vs | 2.7 |
| 5.5 | V |
Tranission Distance | Ev=0 ,If=250mA | d |
| 25 |
| m |
Output Voltage Low(Pin 1) | Iosl=0.5mA,Ee=0.7mW/m² | Vosl |
|
| 250 | mV |
Irradiance(56KHZ) | Pulse width tolerance:tpi-5/fo<tpo<tpi+6/fo | Eemin |
| 0.3 | 0.5 | mW/m² |
Irradiance(30~40KHZ) | Pulse width tolerance:tpi-5/fo<tpo<tpi+6/fo | Eemin |
| 0.2 | 0.4 | mW/m² |
Irradiance | tpi-5/fo<tpo<tpi+6/fo | Eemax | 30 |
|
| W/m² |
Directivity | Angle of half tranission distance | Ψ1/2 |
| &plun;45 |
| deg |
B.P.FCenterFrequency |
| F0 |
| 37.9 |
| Khz |
Peak Welength |
| λp |
| 940 |
| nm |
Signal Output |
| So |
| --Low-- |
|
|
High Level Output Volatge |
| Voh | 0.5 |
|
| V |
Low Level Output Volatge |
| Vol |
| 0.2 | 0.4 | V |
High Level Pulse Width |
| Twh | 500 | 600 | 700 | us |
Low Level Pulse Width |
| Twl | 500 | 600 | 700 | us |
