User's Manual

www.rovingnetworks.com Version 1.1 3/19/13 page 7
Advanced Information
RN52-DS
FIGURE 1-4: RN52 AUDIO INTERFACE BLOCK DIAGRAM
FIGURE 1-5: STEREO CODEC AUDIO INPUT/OUTPUT STAGES
SPK_L+
SPK_L-
SPK_R+
SPK_R-
MIC_L+
MIC_L-
MIC_R+
MIC_R-
MIC_BIAS
RN52
Audio
PA
MIC &
Bias
System
Mainboard
S/PDIF & I
2
S
SPK_L+
SPK_L-
MIC_L+
MIC_L-
Input
Amplier
Output
Amplier
SPK_R+
SPK_R-
MIC_R+
MIC_R-
Input
Amplier
Output
Amplier
ΣΔ-ADC
ΣΔ-ADC
LP Filter
LP Filter
Digital
Circuitry
DAC
DAC
RN52