L9214A/G
Low-Cost Ringing SLIC
Preliminary Data Sheet
October 2001
ac Applications (continued)
Design Examples (continued)
ac Interface Using First-Generation Codec (continued)
Blocking Capacitors
RTGS
CGS
Rx
RGX = 4750 Ω
–IT/R
CB1
0.1 µF
318.25
RT6
RT3
–
20
+
VTX
TXI
VITR
CODEC
OP AMP
CN
RHB
CB2
RN1
RCVN
RCVP
RRCV
RGP
2.5 V
RN2
CODEC
OUTPUT
DRIVE
AMP
5-6401.G (F)
Figure 16. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex
Termination Impedance
Agere Systems Inc.
37