详细说明
储藏与判断条件 (Storage And Judgement Conditions)
| Temperature Range(°C) | Rel. Humidity(%) | Static Pressure(kPa) |
Judgement | 19~21 | 60~65 | 86~106 |
Storage | -25~70 | <80 | |
Operating | -25~70 | <80 | |
3. 规格 (Specifications)
Test conditions(VS=2.0V RL=2.2kΩTemp=20±2℃R.H=60±5%)
Item | Symbol | Test Conditions | Min | Standard | Max | Unit |
灵敏度Sensitivity | S | f=1kHz,Pin=0.1Pa | -45 | -42 | -39 | dB(0dB=1V/Pa) |
阻抗Impedance | Z | f=1kHz,Pin=0.1Pa | | | 2.2 | kΩ |
指向性Directivity | Omni-directional |
消耗电流Current Consumption | I | | | | 500 | μA |
工作电压Operation Voltage Range | U | | 1.0 | 2.0 | 10 | V |
信噪比S/N Ratio | S/N(A) | f=1kHz,Pin=0.1PaA Curve | 58 | | | dB |
降压特性Decreasing Voltage Characteristic | ΔS | f=1kHz,Pin=0.1PaVS=2.0-1.5V | | | -3 | dB |
最大输入声压级Max.Input Sound Level | MISPL | f=1kHzDistortion<1% | | | 110 | dB |