RALCWI Vocoder
CMX608/CMX618/CMX638
4.2.
Audio CODEC External Components (CMX618/CMX638 only)
Figure 5 Recommended External Components – Differential CODEC Inputs
Figure 6 Recommended External Components – Single-ended CODEC Inputs
Note: Care should be taken to avoid shorting OUTP and OUTN together, or shorting either OUTP or OUTN to Vss or Vdd.
An external RC filter could be added across the OUTP and OUTN pins if clock noise needs further reduction.
C9
470nF
C10 470nF
C11 1.0µF
C12 100µF
R3
R4
1.0kΩ
1.0kΩ
Figure 7 Recommended External Components – CODEC Output
2014 CML Microsystems Plc
12
D/608_18_38/11