LEEER-4D(L)
LEEER-4D(H)
LEEER-4B(L)
LEEER-4B(H)
Microphone
Sensitivity: -37±3dB
Impedance: Less than 2.2kΩ
Directivity: 0°~180°±20°, min12dB@1KHZ
Operation voltage range: 2.2 – 5.0 V
Standard operation voltage: 3.0 V
Current consumption: Max 0.45 mA
Sensitivity reduction: within -3dB at 2.2V
Signal to noise ratio: more than 50dB
Capacitor build-in: 10pF + 33pF