9745单指向传声器咪头

1.ENVIRONMENTAL CONDITIONS 环境条件Storage Conditions储存条件标准条件 Operating Conditions 工作条件Temperature温度-4080Temperature温度202 Temperature温度-307 0 Hum i dity 湿度45％ 85 ％Hum i dity 湿度60％ 70 ％Hum i dity 湿度 85 ％Pressure 压力86 106KPaPressure 压力86 106 KPaPressure 压力86 106 KPa2.ELECTRICAL SPECIFICATIONS 电性规范Item项目Symbol符号Test Conditions测试条Min.最小Standard标准Max.最大Unit单位Directivity方向性全向Sensitivity灵敏度Sf=1KHz.Pin=1Pa-45-42-39dBOutput Impedance输出阻抗Zoutf=1KHz.Pin=1Pa2.2KOperation Voltage工作电压Vs1.02.010VCurrent Consumption电流消耗IDssVcc =2.0v, RL = 2.2 K500ASensitivity reduction灵敏度降低Sf=1KHz.Pin=1PaVs=2.01.5V-3dBMax. Input S.P.L最大输入.S.P.L100dBS/N Ratio S/N比S/N（A）F=1KHz.Pin=1 Pa 58dBFrequency Response频率响应1008000Hz