Data Sheet

FSC-BT1006A Datasheet
Shenzhen Feasycom Technology Co.,Ltdwww.feasycom.com
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Figure 10: Audio Codec Input and Output Stages
FSC-BT1006A audio codec uses a fully differential architecture in the analog signal path, This architecture results in
low common-mode-noise sensitivity and good power supply rejection while effectively doubling the signal
amplitude. It operatesfrom a dual power supply, VDD_AUDIO(internal) for the audio circuits and
VDD_AUDIO_DRV (internal)for the audio driver circuits.
ADC
The FSC-BT1006A consists of 2 high-quality ADCs
Each ADC has a second-order Sigma-Delta converter.
Each ADC is a separate channel with identical functionality.
Each channel has an analog and a digital gain stage.
ADC Sample Rate Selection
Each ADC supports the following pre-defined sample rates, although other rates are programmable, e.g. 40kHz:
8kHz
11.025kHz
16kHz
22.050kHz
24kHz
32kHz
44.1kHz
48kHz
ADC Audio Input Gain
The picture below shows that the FSC-BT1006A audio input gain consists of:
An analogue gain stage based on a pre-amplifier and an analogue gain amplifier