9745單指向傳聲器咪頭

1.ENVIRONMENTAL CONDITIONS 環(huán)境條件Storage Conditions儲存條件標(biāo)準(zhǔn)條件 Operating Conditions 工作條件Temperature溫度-4080Temperature溫度202 Temperature溫度-307 0 Hum i dity 濕度45％ 85 ％Hum i dity 濕度60％ 70 ％Hum i dity 濕度 85 ％Pressure 壓力86 106KPaPressure 壓力86 106 KPaPressure 壓力86 106 KPa2.ELECTRICAL SPECIFICATIONS 電性規(guī)范Item項目Symbol符號Test Conditions測試條Min.最小Standard標(biāo)準(zhǔn)Max.最大Unit單位Directivity方向性全向Sensitivity靈敏度Sf=1KHz.Pin=1Pa-45-42-39dBOutput Impedance輸出阻抗Zoutf=1KHz.Pin=1Pa2.2KOperation Voltage工作電壓Vs1.02.010VCurrent Consumption電流消耗IDssVcc =2.0v, RL = 2.2 K500ASensitivity reduction靈敏度降低Sf=1KHz.Pin=1PaVs=2.01.5V-3dBMax. Input S.P.L最大輸入.S.P.L100dBS/N Ratio S/N比S/N（A）F=1KHz.Pin=1 Pa 58dBFrequency Response頻率響應(yīng)1008000Hz