USB Microphone (Microphone in ADC Digital Audio Input)

Features:
1. Compliant with USB specification V2.0 full speed operation
2. Compliant with USB audio device class specification V1.0
3. Supports USB suspend / resume mode 48KHZ recording sampling rate for Mic application in record only mode, sampling rate for 8KHz, 11.025KHz, 22.05KHz, 44.1KHz, and 48KHz are supported + 20dB microphone boost (default enabled) is declared as AGC for default USB audio driver control
4. Compatible with Win 2000/ Win XP/ Win 7 and Mac OS X without additional driver

Specification:
1. Directional Characteristic: Omni-Directional
2. Sensitivity Range: -58+1db at 1KHZ (0db=1V/uba)RL=2.2Kohm VCC=3.0V
3. Impedance: 2.2kohm +30% at 1khz (RL=2.2kohm)
4. Frequency response: AS Fig.3
5. S/N Ratio: More than 58db
6. Max Input Sound Level: 115Db S.P.L
7. Operating voltage: 2.0V (1.1~10V)