TS472 Amplifier Module Low Noise Electret Microphone Audio Preamplifier Board With 2.0 V Bias Output PDA Audio Development Board
The TS472 is a differential-input microphone preamplifier optimized for high-performance PDA and notebook audio systems.
This device features an adjustable gain from 0 to 40 dB with excellent power-supply and commonmode rejection ratios. In addition, the TS472 has a very low noise microphone bias generator of 2 V.
It also includes a complete shutdown function,with active low standby mode.
Features:
1. Low noise: 10 nV/√Hz typ. equivalent input noise at F = 1 kHz
2. Fully-differential input/output
3. 2.2 to 5.5 V single supply operation
4. Fast start up time at 0 dB: 5 ms typ.
5. Low distortion: 0.1% typ.
6. 40 kHz bandwidth regardless of the gain
7. Active low standby mode function (1 μA max)
8. Low noise 2.0 V microphone bias output
9. Available in flip-chip lead-free package and in QFN24 4 x 4 mm package
10. ESD protection (2 kV)
Applications:
Video and photo cameras with sound input
Sound acquisition and voice recognition
Video conference systems
Notebook computers and PDAs
Packet Contains:
1pc x TS472 Amplifier Module Low Noise Electret Microphone Audio Preamplifier Board